View MLX91208_9057797.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

MLX91208 imc-hall? current sensor (triaxis?technology) 3901091208 page 1 of 20 MLX91208 rev.007 june 2018 features and benefits 1. triaxis ? technology very high sensitivity due to integrated magnetic concentrator (imc-hall?) programmable high speed current sensor ic wideband: dc to 250khz short response time 3us programmable linear transfer characteristic selectable analog ratiometric output soic8 package rohs compliant lead free component, suitable for lead free soldering profile 260c (target), msl3 aec-q100 automotive qualified application examples 2. inverter hev and ev bldc motor current monitoring smart fuse (over-current detection) ac/dc converters dc/ac converter (inverter) dc/dc switched mode power supply ac/d figure 1: typical application of MLX91208 description 3. the MLX91208 is a monolithic sensor ic featuring th e tria ? is ? hall technology. conventional planar hall technology is only sensitive to the flux density ap plied orthogonally to the ic surface. the imc-hall ? current sensor is sensitive to the flux density applied par allel to the ic surface. this is obtained through an integrated magneto- concentrator (imc-hall ? ) which is deposited on the cmos die (as an additional back-end step). the imc-hall ? technology is automotive qualified. the product is a single chip hall sensor which prov ides an output signal proportional to the flux density appl ied horizontally and is therefore suitable for current measurement. it is ideally suited as an open loop c urrent sensor for pcb or bus bar mounting. it features sma ll size application design and a simple construction for va rious current ranges from few amperes up to 1000 amperes. the transfer characteristic of the MLX91208 is programmable in terms of offset, gain or temperatur e compensation. the linear analog output is designed for applications where a very fast response is required , such as inverter applications. figure 2: block diagram
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 2 of 20 MLX91208 rev.007 june 2018 ordering information 4. product temperature package option code packing form sensitivity range (typ.) ml91208 l (-40c to 150c) dc cal - 000 tu/re 100-700mv/mt (250mv/mt) ml91208 l (-40c to 150c) dc cah - 000 tu/re 50-30 0mv/mt (100mv/mt) ml91208 l (-40c to 150c) dc cav - 000 tu/re 30-200mv/mt (40mv/mt) ml91208 l (-40c to 150c) dc cav - 001 tu/re 30-20 0mv/mt (60mv/mt) table 1: ordering information legend: temperature code: l: from -40c to 150c package code: dc for soic-8 package option code: cal : low field version cah : high field version cav : very high field version packing form: re for reel, tu for tube ordering example: MLX91208ldc-cah-000-re table 2: legend glossary of terms 5. terms definition tesla units for the magnetic flux density, 1 mt = 10 gaus s tc temperature coefficient in ppm/deg c nc not connected adc analog to digital converter dac digital to analog converter lsb least significant bit msb most significant bit dnl differential non linearity inl integral non linearity imc integrated magneto concentrator (imc ? ) ptc programming through connector table 3: glossary of terms
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 3 of 20 MLX91208 rev.007 june 2018 contents features and benefits features and benefits features and benefits features and benefits ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ......... ............................ ............................ ............................ 1 11 1 1. 1.1. 1. application examples application examples application examples application examples ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... .......... ............................. ............................. ............................. 1 11 1 2. 2.2. 2. description description description description ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ............................................ ............ ............ ............ 1 11 1 3. 3.3. 3. ordering information ordering information ordering information ordering information ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ......... ............................ ............................ ............................ 2 22 2 4. 4.4. 4. glossary of terms glossary of terms glossary of terms glossary of terms ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ .................................. .... .. 2 22 2 5. 5.5. 5. absolute maximum ratings absolute maximum ratings absolute maximum ratings absolute maximum ratings ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ................... ................... ................... 5 55 5 6. 6.6. 6. pin definitions and descriptions pin definitions and descriptions pin definitions and descriptions pin definitions and descriptions ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ............................................ ............ ............ ............ 5 55 5 7. 7.7. 7. general electrical specifications general electrical specifications general electrical specifications general electrical specifications ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ............................................ ............ ............ ............ 6 66 6 8. 8.8. 8. magnetic specification magnetic specification magnetic specification magnetic specification ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ........ ........................... ........................... ........................... 7 77 7 9. 9.9. 9. low field version 10mt (marking xxl) ............. ................................................... .............................. 7 9.1. high field version 25mt (marking xxh) ............ ................................................... .............................. 7 9.2. very high field version 60mt (marking xxv) ....... ................................................... .......................... 8 9.3. analog output specification analog output specification analog output specification analog output specification ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................. ................. ................. ................. 8 88 8 10. 10.10. 10. timing specification ............................. ................................................... .......................................... 8 10.1. accuracy specification ........................... ................................................... ........................................ 9 10.2. remarks to the achievable accuracy ............... ................................................... ............................. 9 10.3. programmable items programmable items programmable items programmable items ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ...... ......................... ......................... ......................... 10 1010 10 11. 11.11. 11. parameter table .................................. ................................................... ......................................... 10 11.1. sensitivity programming (rg, fg) ................. ................................................... .............................. 10 11.2. offset / output quiescent voltage programming (voq ) ................................................. .............. 10 11.3. output ratiometry (enratio) ...................... ................................................... ............................... 10 11.4. sensitivity temperature drift programming (tc1st, tc2nd_cold, tc2nd_hot) ..................... 11 11.5. offset temperature drift programming (offdr2c, off dr2h) ............................................. ....... 11 11.6. noise filter (noisefilt) ......................... ................................................... ...................................... 11 11.7. identification code (id) ......................... ................................................... ....................................... 11 11.8. self selfself self- -- -diagnostic diagnostic diagnostic diagnostic ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................... ...... ... 12 1212 12 12. 12.12. 12. application information application information application information application information ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... .. ..................... ..................... ..................... 12 1212 12 13. 13.13. 13. low current measurement 2-10a.................... ................................................... ......................... 12 13.1. medium current measurement up to 50a ............ ................................................... ................... 13 13.2. high current measurement up to 1000a ............ ................................................... ..................... 13 13.3. recommended application diagrams recommended application diagrams recommended application diagrams recommended application diagrams ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................ 14 1414 14 14. 14.14. 14. resistor and capacitor values..................... ................................................... ................................. 14 14.1.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 4 of 20 MLX91208 rev.007 june 2018 pull-up/down resistor for diagnostic high/low .... ................................................... ...................... 14 14.2. typical performance typical performance typical performance typical performance ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ....... .......................... .......................... .......................... 15 1515 15 15. 15.15. 15. standard information regarding manufacturability o f melexis products w standard information regarding manufacturability of melexis products w standard information regarding manufacturability of melexis products w standard information regarding manufacturability of melexis products with different soldering ith different soldering ith different soldering ith different soldering 16. 16.16. 16. processes processes processes processes ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ............................................ ............ ............ ............ 16 1616 16 esd precautions esd precautions esd precautions esd precautions ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................. .. . 16 1616 16 17. 17.17. 17. package information package information package information package information ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ....... .......................... .......................... .......................... 17 1717 17 18. 18.18. 18. soic-8 package dimensions ........................ ................................................... ................................ 17 18.1. soic-8 pinout and marking ........................ ................................................... ................................. 17 18.2. soic-8 hall plate position ....................... ................................................... ..................................... 17 18.3. soic-8 imc position and magnetic sensitive directi on ................................................ ................. 18 18.4. disclaimer disclaimer disclaimer disclaimer ................................ ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ ................................................... ............. ................................ ................................ .......................................... .......... .......... .......... 19 1919 19 19. 19.19. 19.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 5 of 20 MLX91208 rev.007 june 2018 absolute maximum ratings 6. parameters symbol value units positive supply voltage (overvoltage) vdd +10 v reverse supply voltage protection -0.3 v positive output voltage +10 v output current iout 70 ma reverse output voltage -0.3 v reverse output current -50 ma package thermal resistance rth 105 c/w operating ambient temperature range ta -40 to 150 c storage temperature range ts -55 to 165 c magnetic flux density infinite t table 4: absolute maximum ratings exceeding the absolute maximum ratings may cause pe rmanent damage. exposure to absolute maximum rated conditions for extended periods may affect de vice reliability. pin definitions and descriptions 7. pin name type function 5 vdd supply supply voltage 3 vss ground supply voltage 1 vdec digital digital supply voltage 4 test/must digital test and factory calibration 6 out analog current sensor output table 5: pin definitions and descriptions it is recommended to connect the unused pins to the ground for optimal emc results.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 6 of 20 MLX91208 rev.007 june 2018 general electrical specifications 8. operating parameters: ta = -40 to 125deg.c, vdd = 4 .5v to 5.5v, iout = -2ma to +2 ma, recommended application diagram in section 14, unless otherwise specified. all mentioned component values can have a 20% tolerance. parameter symbol test conditions min typ. max units nominal supply voltage vdd 4.5 5 5.5 v supply current idd w/o output load in application mode t a = -40 to 150 o c 7 12 14 ma dc load current iout rout in range [6k, 100k] -2 2 ma maximum output current (driving capability) imax inside this range, output voltage reaches 3%vdd and 97%vdd -2 2 ma output resistance vout = 50% vdd, r l = 5k 1 5 output capacitive load c load capacitive load range for the stability of the output amplifier. output amplifier optimized for the typical capacitive load. 1 2 10 nf output resisitive load r load output resistive load range for the stability of the output amplifier 6 k output short circuit current i short output shorted to vdd- permanent 35 180 ma output shorted to vss permanent 35 180 ma leakage current i leak high impedance mode (1) t=150c 0.5 1.5 20 ua output voltage swing (linear range) v out_pd pull down 10 k? 10 90 %vdd high-impedance mode levels (1) v out_hiz_pd pull-down r l 25 k?, t125c 5 %vdd under-voltage detection (2) v dd_uvd low to high voltage 3 3.3 4 v v dd_uvh hysteresis 0.25 0.3 0.4 v over-voltage detection (2) v dd_ovd2 low to high voltage 6.7 7.6 v v dd_ovh2 hysteresis 0.05 0.7 v ratiometry enable detection (2) v ratio_d low to high voltage 4 4.45 v v ratio_h hysteresis 0.05 0.5 v 1 refer to chapter self-diagnostic, table 12 2 see graph below the table
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 7 of 20 MLX91208 rev.007 june 2018 table 6: general electrical parameter (2) according to the figure below: magnetic specification 9. low field version 10mt low field version 10mt low field version 10mt low field version 10mt ( (( (marking xxl) marking xxl) marking xxl) marking xxl) 9.1. operating parameters ta = -40 to 125deg.c, vdd = 4. 5 v to 5.5 v, unless otherwise specified. parameter symbol test conditions min typ max units nominal field range bnom -7.5 +7.5 mt operational field range (3) bop -10 +10 mt linearity error nl b in range bop vout in [10%vdd, 90%vdd -0.7 +0.7 %fs hysteresis, remanent field br b = bop -10 +10 ut programmable sensitivity s 100 250 700 mv/mt sensitivity programming resolution sres 0.1 % table 7: magnetic specification for 10mt version (l ow-field version) high field version 25mt high field version 25mt high field version 25mt high field version 25mt (marking xxh) (marking xxh) (marking xxh) (marking xxh) 9.2. parameter symbol test conditions min typ max units nominal field range bnom -20 +20 mt operational field range (3) bop -25 +25 mt linearity error nl b in range bop vout in [10%vdd, 90%vdd -0.7 +0.7 %fs hysteresis, remanent field br b = bop -25 +25 ut programmable sensitivity s 50 100 300 mv/mt sensitivity programming resolution sres 0.1 % table 8: magnetic specification 25mt version (high- field version) 3 outside bop, the imc progressively enters saturatio n, yielding to an increase of the linearity error. vout detected voltage vdd hysteresis
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 8 of 20 MLX91208 rev.007 june 2018 very high field version 60mt (marking xxv) very high field version 60mt (marking xxv) very high field version 60mt (marking xxv) very high field version 60mt (marking xxv) 9.3. parameter symbol test conditions min typ max units nominal field range bnom -50 +50 mt operational field range ( 3 ) bop -60 +60 mt linearity error nl b in range bop vout in [10%vdd, 90%vdd] -0.7 +0.7 %fs hysteresis, remanent field br b = bop -50 +50 ut programmable sensitivity s cav-000 cav-001 30 30 40 60 200 200 mv/mt mv/mt sensitivity programming resolution sres 0.1 % table 9: magnetic specification 60mt version (very high-field version) note: the noise filter is disabled by default for a ll MLX91208 versions. analog output specification 10. timing specification timing specification timing specification timing specification 10.1. operating parameters t a = -40 to 125deg.c, vdd = 4.5 v to 5.5 v (unless ot herwise specified) parameter symbol test conditions min typ max units refresh rate trr 0.8 1 2 us step response time tresp delay between the input signal reaching 90% and the output signal reaching 90%, (2v step at the output, input rise time = 1s) -noise filter off -noise filter on 3 5 4 6 s s bandwidth bw -noise filter off -noise filter on 200 120 250 150 300 180 khz khz power on delay tpod vout =100% of fs pull-down resistor 100kohm during the power-on delay, the output will remain within the 10% fault band at all time. 1 ms ratiometry cut-off frequency fratio 250 hz table 10: timing specification high speed analog ou tput
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 9 of 20 MLX91208 rev.007 june 2018 1 s in , vout time 90% 100 % response time figure 3: response time definition accuracy specification accuracy specification accuracy specification accuracy specification 10.2. operating parameters t a = -40 to 125deg.c, vdd = 4.5 v to 5.5 v (unless ot herwise specified) parameter symbol test conditions min typ max units thermal offset drift t voq offset drift referred to 25c s=40mv/mt (xxv version) s=100mv/mt (xxh version) s=250mv/mt (xxl version) vdd=5v, tc=0 150 ppm/c voq=50 0.2 %vdd -10 +10 mv thermal offset drift resolution t voqres 0.075 mv/c thermal sensitivity drift tc -1.5 0 +1.5 % of s thermal sensitivity drift resolution tcres 40 ppm/c rms output noise n rms s=40mv/mt (xxv version) s=100mv/mt (xxh version) s=250mv/mt (xxl version) -noise filter off -noise filter on 0.2 0.12 %vdd %vdd ratiometry error offset voq voq = 50%vdd vdd = 10%vdd -0.4 +0.4 % of voq ratiometry error sensitivity s vdd = 10%vdd -0.4 +0.4 % of s table 11: accuracy-specific parameters remarks to the achievable accuracy remarks to the achievable accuracy remarks to the achievable accuracy remarks to the achievable accuracy 10.3. the achievable target accuracy is dependent on user s end-of-line calibration. the resolution for the offset and offset drift calibration is better than 0.1%vdd . trimming capability is higher than the measuremen t accuracy. end-user calibration can increase the acc uracy of the system.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 10 of 20 MLX91208 rev.007 june 2018 p rogrammable items 11. parameter table parameter table parameter table parameter table 11.1. parameter bits factory setting comment voq[11:0] 12 trimmed quiescent output level (0 gauss) adjustment rg[2:0] 3 trimmed rough gain adjustment fg[9:0] 10 trimmed fine gain adjustment enratio 1 1 ratiometry enablement tc1[7:0] 8 trimmed adjustment of the first order temperature compensat ion of the magnetic sensitivity tc2hot[4:0] 5 trimmed adjustment of the extra temperature compensation of the magnetic sensitivity at high temperature tc2cold[4:0] 5 trimmed adjustment of the extra temperature compensation of the magnetic sensitivity at low temperature offdr2c[5:0] 6 trimmed adjustment of the offset dri ft at low temperature after the vga offdr2h[5:0] 6 trimmed adjustment of the offset drift at high temperature after the vga noisefilt 1 0 noise filter enablement platepol 1 0 0: default polarity as described in section 18.4 1: opposite polarity id[47:0] 48 programmed melexis traceability id table 12: customer programmable items sensitivity sensitivity sensitivity sensitivity programming (rg, fg) programming (rg, fg) programming (rg, fg) programming (rg, fg) 11.2. the sensitivity can be programmed from 50 to 300mv/ mt (high field version) or 100 to 700mv/mt (low fie ld version), with the roughgain (3 bits) and finegain (10 bits) parameters. offset / o offset / o offset / o offset / output utput utput utput quiescent quiescent quiescent quiescent voltage programming voltage programming voltage programming voltage programming ( (( (voq voqvoq voq) )) ) 11.3. the offset is programmable with 12 bits in 1.5 mv s teps over the full output range. this corresponds t o a calibration resolution of 0.03 %vdd. the typical step size would be 5v/4096 = 1.22 mv, b ut the actual step size can differ from the nominal value because of internal gain tolerance. a maximum step size of 1.5 mv is guaranteed. note: for optimal performance over temperature, the voq s hould be programmed in the range from 2 to 3v. output ratiometry (enratio) output ratiometry (enratio) output ratiometry (enratio) output ratiometry (enratio) 11.4. the ratiometry of the output versus the supply can be disabled by setting this bit to 0.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 11 of 20 MLX91208 rev.007 june 2018 note: for optimal performance over temperature, the ratio metry setting should not be changed on customer side. by default, this setting is enabled during final test calibration. sensitivity sensitivity sensitivity sensitivity temperature drift programming (tc1st, tc2nd_cold, t c2nd_hot) temperature drift programming (tc1st, tc2nd_cold, t c2nd_hot) temperature drift programming (tc1st, tc2nd_cold, t c2nd_hot) temperature drift programming (tc1st, tc2nd_cold, t c2nd_hot) 11.5. first order sensitivity temperature drift can be tr immed with tc1. the programming resolution is 40ppm /k. second order sensitivity temperature drift can be t rimmed with tc2cold and tc2hot. the programming resolution is 2ppm/k 2 for tc2cold and 0.6ppm/k 2 for tc2hot.the second order can also be seen as th ird order correction since cold and hot sides are indep endently adjusted. note: for optimal performance over temperature, the first order sensitivity drift compensation (tc1st) should not exceed 250ppm/k. offset offset offset offset temperature temperature temperature temperature drift programming (offdr drift programming (offdr drift programming (offdr drift programming (offdr2 22 2c, offdr c, offdr c, offdr c, offdr2 22 2h) h)h) h) 11.6. offset temperature drift caused by the output ampli fier can be compensated with these two parameters. this first order correction is done independently f or temperatures over and below 25c. note: two additional parameters (offdr1c, offdr1h) are ca librated by melexis to compensate for the offset temperature drift caused by the hall element (before the variable gain amplifier). these parame ters should not be adjusted on customer-side. noise noise noise noise filter filter filter filter (noisefilt) (noisefilt) (noisefilt) (noisefilt) 11.7. setting this bit to 1 enables the noise filter, red ucing noise and increasing response time. identification identification identification identification code (id) code (id) code (id) code (id) 11.8. 48 bits programmed identification code.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 12 of 20 MLX91208 rev.007 june 2018 self- diagnostic 12. the MLX91208 provides self-diagnostic features to d etect internal memory errors and over- / under-volt age. those features increase the robustness of the ic fu nctionality, as they prevent the ic from providing erroneous output signal in case of internal or exte rnal failure modes. error action effect on outputs remarks calibration data crc error (at power up and in normal working mode) fault mode high impedance mode pull down resistive load, diagnostic low power on delay high impedance mode 5ms max in high impedance followed by settling undervoltage mode ic is reset high impedance mode 300mv hysteresis (typical) overvoltage detection ic is reset high impedance mode 100mv hysteresis (typical) table 13: self diagnostic application information 13. please refer to our current sensor reference design guide for more application information: http://melexis.com/assets/current-sensors-reference -designs-6187.aspx low current measurement low current measurement low current measurement low current measurement 2 22 2- -- - 10a 10a10a 10a 13.1. low currents can be measured by either using a mult i-turn/multi-layer pcb where the current is allowed to flow several times under the sensor, or by adding a closed ferromagnetic shield around the current trace with a small air gap to concentrate t he magnetic flux above the sensor. figure 4: low current applications with either mult i-trace/multi-layer pcb (left) or closed shield (ri ght).
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 13 of 20 MLX91208 rev.007 june 2018 medium medium medium medium current measurement up to current measurement up to current measurement up to current measurement up to 50 5050 50a aa a 13.2. for medium currents, a single pcb trace can be used . the sizing of the pcb trace should take into account th e current handling capability and the total power dissipation. the pcb trace should be thick and wide enough to handle the rms current continuously. a simple u-shaped ferromagnetic shield is often required to protect the sensor from cross-talk or e xternal stray fields, if they cannot be cancelled-out by ot her means (peak-peak detection, etc.). figure 5: medium current application on pcb high current measurement up to 1000a high current measurement up to 1000a high current measurement up to 1000a high current measurement up to 1000a 13.3. for high currents flowing in a bus bar, MLX91208 is typically assembled on a pcb lying immediately abov e the current conductor. a ferromagnetic shield is usually added to protect the sensor from external fields and ensure good homogeneity of the magnetic flux, for optimal robus tness against vibrations and mechanical tolerances. figure 6: high current application on bus bar
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 14 of 20 MLX91208 rev.007 june 2018 recommended application diagrams 14. resistor and capacitor values resistor and capacitor values resistor and capacitor values resistor and capacitor values 14.1. part description value unit c1 supply capacitor, emi, esd 100 nf c2 decoupling, emi, esd 2-10 (4) nf c3 decoupling, emi, esd 47 nf r1 pull down resistor 6-100 k table 14: resistor and capacitor values pull pull pull pull- -- -down down down down resistor resistor resistor resistor for diagnostic for diagnostic for diagnostic for diagnostic low lowlow low 14.2. 5 out vdd vss test 6 7 8 4 3 2 1 MLX91208 supply voltage analog output gnd c2 r1 c1 c3 vdec figure 7: diagnostic low/ pull-down resistors 4 10nf is recommended for better emc and esd perform ance
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 15 of 20 MLX91208 rev.007 june 2018 typical performance 15. figure 9: thermal sensitivity drift. figure 10: thermal offset drift. figure 11: linearity error for all versions. figure 12: response time with noise filter off. figure 13: response time with noise filter on. shunt MLX91208 shunt MLX91208
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 16 of 20 MLX91208 rev.007 june 2018 standard information regarding manufacturability of melexis products 16. with different soldering processes melexis devices are qualified using state-of-the-ar t practices in accordance with automotive and environmental requirements. through qualifications, various soldering technique s are considered; please refer to soldering recommendations for melexis products for more info rmation: ( http://www.melexis.com/asset/soldering_application_ note_and_recommendations_downloadlink_5446. aspx ). for components normally soldered using surface moun ted device techniques (eg: reflow process), melexis has defined and qualified moisture sensitivity leve l and peak temperature in accordance with the jedec j- std-020 standard. delivered material is conditioned accordingly. moisture sensitivity level and peak temperature information can be found on the label i dentifying the material. in case you intend to use a reflow soldering proces s for through hole devices (melexis package codes: sa, ua, va, vk, vm), please contact melexis to verify y our soldering process compatibility. the application of wave soldering for smds is allo wed only after consulting melexis regarding assuran ce of adhesive strength between device and board. based on melexis commitment to environmental respon sibility, europe legislations (direction on the restriction of the use of certain hazardous substan ces, rohs) and customer requests, melexis has deplo yed pb free leadfinish (typically matte tin) on all ass p products. for through hole devices (melexis package codes: s a, ua, va, vk, vm) trim&form, please refer to trim & form recommendations for melexis products for more information: ( http://www.melexis.com/assets/trim_and_form_recomme ndations_downloadlink_5565.aspx ) esd precautions 17. electronic semiconductor products are sensitive to electro static discharge (esd). always observe electro static discharge control pro cedures whenever handling semiconductor products. esd hbm robustness is 2kv on external pins accordin g to aec-q100-002 rev-d.
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 17 of 20 MLX91208 rev.007 june 2018 package information 18. soic soic soic soic- -- - 8 88 8 package dimensions package dimensions package dimensions package dimensions 18.1. 0.19 0.25 notes: all dimensions are in millimeters (anlges in degree s). * dimension does not include mold flash, protrusion s or gate burrs (shall not exceed 0.15 per side). ** dimension does not include interleads flash or p rotrusion (shall not exceed 0.25 per side). * * * dimension does not include d amb ar protrusion . allowable dambar protrusion shall be 0.08 mm total in excess of the dimension at maximum material conditi on. dambar cannot be located on the lower radius of the foot. 5.84 6.20** 1.27 typ 4.80 4.98* 1.55 1.73 0.127 0.250 1.40 1.55 0.35 0.49*** 3.81 3.99** 0 8 0.41 0.89 figure 14: soic-8 package dimensions soic soic soic soic- -- -8 pinout 8 pinout 8 pinout 8 pinout and marking and marking and marking and marking 18.2. figure 15: soic-8 pinout and marking (very high fie ld, high field and low field version) soic soic soic soic- -- -8 hall plate position 8 hall plate position 8 hall plate position 8 hall plate position 18.3. very high field
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 18 of 20 MLX91208 rev.007 june 2018 figure 16: soic-8 hall plate positioning soic soic soic soic- -- -8 imc p 8 imc p 8 imc p 8 imc position and magnetic sensitive direction osition and magnetic sensitive direction osition and magnetic sensitive direction osition and magnetic sensitive direction 18.4. b extern b extern figure 17: imc position and geometry for low-field version b extern b extern figure 18: imc position and geometry high-field ver sion b extern b extern figure 19: imc position and geometry very high-fiel d version
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 19 of 20 MLX91208 rev.007 june 2018 disclaimer 19. devices sold by melexis are covered by the warranty and patent indemnification provisions appearing in its term of sale. melexis makes no warranty, express, statutory , implied, or by description regarding the informat ion set forth herein or regarding the freedom of the described de vices from patent infringement. melexis reserves th e right to change specifications and prices at any time and wi thout notice. therefore, prior to designing this pr oduct into a system, it is necessary to check with melexis for c urrent information. this product is intended for us e in normal commercial applications. applications requiring ext ended temperature range, unusual environmental requ irements, or high reliability applications, such as military, me dical life-support or life-sustaining equipment are specifically not recommended without additional processing by melexi s for each application. the information furnished by melexis is believed to be correct and accurate. however, melexis shall no t be liable to recipient or any third party for any damages, inclu ding but not limited to personal injury, property d amage, loss of profits, loss of use, interrupt of business or indi rect, special incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, p erformance or use of the technical data herein. no obligation or liability to recipient or any third party shall ari se or flow out of melexis rendering of technical o r other services. ? 2016 melexis nv. all rights reserved. for the latest version of this document, go to our website at www.melexis.com or for additional information contact melexis direc t: europe, africa, asia: america: phone: +32 1367 0495 phone: +1 603 223 2362 e-mail: sales_europe@melexis.com e-mail: sales_usa @melexis.com iso/ts 16949 and iso14001 certified
MLX91208 imc-hall ? current sensor (triaxis ? technology) 3901091208 page 20 of 20 MLX91208 rev.007 june 2018 history 5 5 dummy footnote to get last page number rev. nb. date name changes from previous version 001 07-jun-2014 creation 002 10-jul-2014 incorrect msl level, 1 => 3 004 22-dec-2016 migration to new template 005 13-jul-2017 formatting ? using existing from previous templates formatting table and figure caption added revision history formatting 18.4. soic-8 imc position and magnetic s ensitive changed figure 15 there is a rectangle text that is badly p laced using body formatting for non-header, caption corrected references self-diagnostic, table 12 instead of 13 application diagram in section 14 instead of 16 006 19-jul-17 bandwidth in chapter 1. feature and benefits modifi ed to 250khz read proof and typo corrections modified chapter 11. programmable items C table 12 : added column factory setting, removed parameter crc[15: 0] (not programmable), added parameter platepol 007 9-mar-18 removed pull-down option for diagnost ic low 007.01 3-apr-18 updated feature and benefits : ae c-q100 automotive qualified

▲Up To Search▲

Price & Availability of MLX91208

	To Download MLX91208 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .