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MLX81200 bldc motor controller MLX81200 product abstract page 1 of 15 june/2012 rev 2.4 features melexcm dual risc cpu o mlx4 communication cpu o lin transceiver, supporting of lin 2.0, lin protoc ol software provided by melexis o software update for j2602 or gm-lan possible o wake up by lin traffic or local sources o mlx16 application cpu o 16bit risc-cpu with 5mips o hardware multiplication in one instruction cycle o c-programmable o memories o 2kbyte shared ram o 30kbyte shared flash with eec, programmable throug h lin pins 8kbytes for communication cpu, 22kbytes for applica tion cpu o 128bytes emulated eeprom motor control unit o support of sensor less 3-phase sine and trapezoidal motor control o support of sensor based motor control o pre-driver for 3 all n-fet half bridges (~25 rdson) with several protection features voltage regulator o direct powered from 12v board net with low voltage detection o operating voltage v s = 6v to 18v o internal voltage regulator, possibility to put an e xternal bypass transistor for higher temperature requirements o very low standby current, < 50a in sleep mode periphery o full duplex spi: master/slave, double buffered, spe ed programmable from 10khz to 8mhz o 3 independent 16bit timer modules with capture and compare o 3 programmable 8bit pwm units with base frequency o f 50hz to 100khz o 10bit adc converter (5s conversion time) o on chip over-temperature shut-off o digital watchdog on melexcm and independent analog watchdog on analog ic o on chip rc oscillator o switchable supply output for external sensors additional features o in-circuit debug and emulation o jump start and 40v load dump protected
MLX81200 bldc motor controller MLX81200 product abstract page 2 of 15 june/2012 rev 2.4 ordering code product code temperature code package code option code packing form code MLX81200 k lq baa-000 tu MLX81200 k lq baa-000 re MLX81200 k pf baa-000 tu MLX81200 k pf baa-000 re legend : temperature code: k for temperature range -40c to 125c package code: lq for qfn, pf for 7x7 ep packing form: re for reel, tu for tube ordering example: MLX81200klq-baa-000-tu applications all kinds of bldc motor controllers via external fe t transistors like o x-by-wire applications using position sensors o oil, water, fuel pumps o blowers o compressors contents 1. functional diagram ................................ ................................................... ..................................... 3 2. electrical characteristics ........................ ................................................... ............................. 4 2.1 o perating c onditions .................................................. ................................................... ............... 4 2.2 a bsolute m aximum r atings .................................................. ................................................... ....... 4 3. application examples .............................. ................................................... .................................... 5 3.1 bldc m otor c ontrol .................................................. ................................................... ............... 5 3.2 bldc m otor c ontrol via lin b us c onnection .................................................. .......................... 6 3.3 bldc m otor c ontrol via can b us c onnection .................................................. ........................ 8 4. pin description ................................... ................................................... ............................................ 9 5. mechanical specification .......................... ................................................... .............................. 11 5.1 qfn 7 x 7 (48 leads ) ................................................. ................................................... .................... 11 5.2 tqfp_ep 7 x 7 (48 leads ) ................................................. ................................................... ........... 12 6. standard information regarding manufacturability of melexis products with different soldering processes ..................... ................................................... ............................... 13 7. disclaimer ........................................ ................................................... ............................................... 14 your notes ........................................ ................................................... ................................................... ... 15
MLX81200 bldc motor controller MLX81200 product abstract page 3 of 15 june/2012 rev 2.4 functional diagram comm. cpu mlx4 lin-sbi (1.3 and 2.0) lin- phy ram 2kbyte mm u eeprom 128byte watchdog multi- cpu debugger 10 bit adc flash 30kbyte with ecc 5v/1.8v supply aux. supply vs vddv18 lin gnd melexcm pwmo 8 bit counter with period register compare on /off clock devider f pll 8 bit counter with period register compare on /off clock devider 8 bit counter with period register compare on /off clock devider pwm control 50hz...100 khz test controller appl. cpu mlx16 pll 30mhz f rc interrrupt controller f osc f pll 16 bit timer dual compare dual capture prescaler f osc, f osc /16 , f osc /256 16 bit timer dual compare dual capture prescaler f osc, f osc /16 , f osc /256 16 bit timer dual compare dual capture prescaler f osc, f osc /16 , f osc /256 f pll spi uart ti0 ti1 to internal communication interface internal communication interface voltage monitor temp rc-osc. 300khz f rc external communication interface io4 io5 io0 io1 io2 io3 vddv5 por mux i/o register sw1 sw2 vs isensu isensl v5ext uv w sw0 ... sw7 pre-driver control vddr5 sw3 gnd cwd analog watchdog reset ls2 motor control unit v5ext 8 bit dac hs2 cp2 w ls1 hs1 cp1 v ls0 hs0 cp0 u pre- driver cp t 12v ref vref gnd_s1 ref mux sw0 sw4 clko sw5 sw6 sw7 level shifter gnd_s2 vbat_s1 vbat_s2 isensu isensl pre- driver cp pre- driver cp cp figure 1 - block diagram
MLX81200 bldc motor controller MLX81200 product abstract page 4 of 15 june/2012 rev 2.4 1. electrical characteristics all voltages are referenced to ground (gnd). positi ve currents flow into the ic. the absolute maximum ratings given in the table below are limiting valu es that do not lead to a permanent damage of the de vice but exceeding any of these limits may do so. long term exposure to limiting values may affect the reliabil ity of the device. reliable operation of the MLX81200 is o nly specified within the limits shown in operating conditions. 1.1 operating conditions parameter symbol min max unit batterysupplyvoltage v s 6 18 v operatingambient temperature t amb 40 +125 (+150) [1] c table 1 - operating conditions 1.2 absolute maximum ratings parameter symbol condition min max unit batterysupplyvoltage v s t <1 min 0.3 2 8 v t <500ms 45 maximumreversecurrent intoanypin i rev 10 +10 ma linbus voltage v bus t<500 ms 20 40 v transientsupplyvoltage v s.tr1 iso7637/1pulse1 [2] 150 v transientsupplyvoltage v s.tr2 iso7637/1pulses2 [2] +100 v transientsupplyvoltage v s.tr3 iso7637/1pulses3a, 3b 150 +150 v transient lin busvoltage v bus.tr1 iso7637/1pulse1 [3] 150 v transient lin busvoltage v bus.tr2 iso7637/1pulses2 [3] +100 v transient lin busvoltage v bus.tr3 iso7637/1pulses3a,3b [3] 150 +150 v dcvoltageoncmosi/opins v dc 0.3 +5.5 v esdcapabilityofpinlin esd bushb humanbodymodel,equivalentto discharge100pfwith1.5k , 4 +4 kv esdcapabilityofanyotherpins esd hb humanbodymodel,equivalentto discharge100pfwith1.5k , 2 +2 kv maximumlatch C up freecurrentatanypin i latch 250 +250 ma maximumpowerdissipation [4] p tot t amb =+150 c [1] 0.2 w storagetemperature t stg 55 +1 50 c junctiontemperature [1] t vj +155 c table 2 - absolute maximum ratings [1] target temperature after qualification. with tempe rature applications at ta>125c a reduction of chip internal power dissipation with external supply transistor is mandatory. the extend ed temperature range is only allowed for a limited period of time, customers mission profile has to be agreed by melexis as a mandatory part of the part submission warrant. [2] iso 7637 test pulses are applied to vs via a rever se polarity diode and >1f blocking capacitor . [3] iso 7637 test pulses are applied to bus via a coupl ing capacitance of 1nf. [4] simulated value for low conductance board (jedec)
MLX81200 bldc motor controller MLX81200 product abstract page 5 of 15 june/2012 rev 2.4 2. application examples the following sections show typical application exa mples 1 . 2.1 bldc motor control in this sample application the ic can realize the s ensor less driving of a bldc motor via three extern al power n-fet half bridges. the high side n-fet drivi ng is done with a bootstrap output stage. the motor speed command can be sent to an sw-pin, for example as duty cycle percentage. in this case sw4 can be configured as timer input and the motor speed is a function of the duty cycle of the speed command sig nal. the rotor position can be estimated based on motor currents at stand-still and very low speeds and by sensing the back emf voltage during short periods o f time when the current through a phase is zero. th e motor phases can be driven with sinusoidal or trape zoidal currents. in the principle application schem atic of figure 2, the motor star point is not available. in stead it is modelled with external resistors from t he motor phases and connected to t input. motor current is controlled with an external shunt resistor and a fast internal comparator. the compar ator threshold is programmable with an 8-bit digital-to- analogue converter. in case of over current the bri dge will be switched off. the motor current can also be meas ured by the 10-bit adc converter. reverse polarity protection of the bridge is realized with an extern al power fet connected to the ground line. 1 the application examples are principal application schematics only. the details need to be worked out for each application schematic separately, depending on the application requirements.
MLX81200 bldc motor controller MLX81200 product abstract page 6 of 15 june/2012 rev 2.4 vs vddv5 v bat MLX81200 sw6 gnd gnd sw1 sw0 gnd_s2 ls0 hs0 vddv18 v5ext io0 io1 io2 io3 lin vddr5 gnd io5 io4 vref cp0 u v bat ls1 hs1 cp1 v v bat t ls2 hs2 cp2 w v bat cwd gnd_s1 rshunt ti0 ti1 to v bat speed command v c c sw2 sw5 clko sw4 sw7 sw3 vbat_s2 vbat_s1 vs vs u v w figure 2 ? typical bldc motor control application e xample 1 2.2 bldc motor control via lin bus connection in this sample application the ic can realize the s ensor less driving of a bldc motor via three extern al power n-fet half bridges. communication to the chip is possible via the lin bus. active high side reve rse polarity protection can be implemented using a boot strap stage connected to the clko output. for higher temperature requirements, an external re gulator transistor can bring the regulator power consumption to outside the chip. two of the general purpose inputs are used to connect external sensor s to the adc. the sensor supply voltage can be switched off. the motor current measurement and over current protection can be implemented via a shunt resistor in the battery path.
MLX81200 bldc motor controller MLX81200 product abstract page 7 of 15 june/2012 rev 2.4 vs vddv5 MLX81200 sw6 lin gnd gnd sw1 sw0 gnd_s2 ls0 hs0 vddv18 v5ext io0 io1 io2 io3 lin vddr5 gnd io5 io4 vref cp0 u ls1 hs1 cp1 v t ls2 hs2 cp2 w cwd gnd_s1 ti0 ti1 to v c c sw2 sw5 clko v bat v prot v prot v prot v prot sw4 sw7 sw3 rshunt vbat_s2 vbat_s1 u v w figure 3 ? typical lin bus application example with active reverse polarity protection 2 2 the application examples are principal application schematics only. the details need to be worked out for each application schematic separately, depending on the application requirements.
MLX81200 bldc motor controller MLX81200 product abstract page 8 of 15 june/2012 rev 2.4 2.3 bldc motor control via can bus connection in this sample application the ic can realize the d riving of a bldc motor via three external power n-f et half bridges. hall sensors are used to determine the rot or position. in case of battery break-down, the ic is still capable to save sensitive data into the eeprom, wit h the help of the energy stored in the 5v supply capacitor. the current in both, the supply and grou nd path can be monitored. the spi interface is used to connect the ic to the can bus. vs vddv5 MLX81200 sw3 gnd gnd sw0 sw4 gnd_s2 ls0 hs0 vddv18 v5ext io0 io1 io2 io3 lin vddr5 gnd sw1 io4 vref cp0 u ls1 hs1 cp1 v t ls2 hs2 cp2 w cwd ti0 ti1 to can transceiver (tja1041) canl canh v c c can controller (mcp2515 ) clk si so cs int io5 sw6 v c c v prot rxd txd v c c en v c c stb inh clko v bat v prot hall sensor sw2 sw5 sw7 vbat_s1 vbat_s2 rshunt gnd_s1 rshunt v bat v bat v prot v prot v prot figure 4 ? typical can bus application example 3 3 the application examples are principal application schematics only. the details need to be worked out for each application schematic separately, depending on the application requirements.
MLX81200 bldc motor controller MLX81200 product abstract page 9 of 15 june/2012 rev 2.4 3. pin description table 3 - pin description MLX81200 pin name type function 1 io0 io general purpose input or output 2 v5ext io switchable 5v supply for external sensor s 3 io5 io general purpose input or output 4 gnda gnd analog ground 5 gndlin gnd lin ground 6 to o test output, debug interface 7 io1 io general purpose input or output 8 lin io connection to lin bus 9 io4 io general purpose input or output 10 io2 io general purpose input or output 11 ti1 i test input, debug interface 12 io3 io general purpose input or output 13 gndio o switches ground 14 ti0 i test input, debug interface 15 clko o 300khz clock output, switchable 16 sw7 io hv gpio, phase w input to bemf comp and p hase integrator 17 sw6 io hv gpio, phase v input to bemf comp and p hase integrator 18 sw5 io hv gpio, phase u input to bemf comp and p hase integrator 19 sw4 io hv gpio 20 sw3 io hv gpio 21 sw2 io hv gpio 22 sw1 io hv gpio 23 sw0 io hv gpio 24 w i motor phase w input to hs2 buffer 25 hs2 o n-fet high side gate driver 2 26 cp2 o high side bootstrap capacitor driver 2 27 ls2 o n-fet low side gate driver 2 28 ls1 o n-fet low side gate driver 1 29 cp1 o high side bootstrap capacitor driver 1 30 hs1 o n-fet high side gate driver 1 31 v i motor phase v input to hs1 buffer 32 gnddrv gnd driver ground 33 u i motor phase u input to hs0 buffer 34 hs0 o n-fet high side gate driver 0 35 cp0 o high side bootstrap capacitor driver 0 36 ls0 o n-fet low side gate driver 0 37 t i electrical commutation input motor phase t 38 vref io clamped 12v reference voltage for bootst rap 39 vbat_s1 i vs high side input for current sensing 40 vbat_s2 i vs low side input for current sensing
MLX81200 bldc motor controller MLX81200 product abstract page 10 of 15 june/2012 rev 2.4 41 gnd_s1 i gnd high side input for current sensing 42 gnd_s2 i gnd low side input for current sensing 43 vs p hv supply, battery voltage 44 gndd gnd digital ground 45 vddv18 p regulator output 1.8v, melexcm 1.8v sup ply 46 vddr5 o output for external voltage regulation t ransistor 47 vddv5 p regulator output 5v, melexcm 5v supply 48 cwd io watchdog capacitor
MLX81200 bldc motor controller MLX81200 product abstract page 11 of 15 june/2012 rev 2.4 4. mechanical specification 4.1 qfn 7x7 (48 leads) e d + e (nd-1)xe ref. l d2 12 3 12 (ne-1)xe ref. pin1 id r0.20 top view bottom view side view n-1 n nx b e2 0.3 dia typ. n a1 a a3 d2/2 k e2/2 figure 3 - qfn48 7x7 drawing symbol a a1 a2 a3 b [4] d d1 d2 e e1 e2 e l n [3] nd [5] ne [5] [1][2] min qfn48 nom max 0.80 0 0.60 0.20 7.00 6.70 5.30 7.00 6.70 5.30 0.50 0.45 48 12 12 0.85 0.02 0.65 5.40 5.40 0.50 0.90 0.05 0.70 12 5.50 5.50 0.55 table 4 - qfn48 7x7 package dimensions [1] dimensions and tolerances conform to asme y14.5 m-1994 [2] all dimensions are in millimeters. all angels a re in degrees
MLX81200 bldc motor controller MLX81200 product abstract page 12 of 15 june/2012 rev 2.4 [3] n is the number of terminals [4] dimension b applies to metallized terminal and is measured between 0.25 and 0.30mm from terminal t ip [5] nd and ne refer to the number of terminals on e ach d and e side respectively 4.2 tqfp_ep 7x7 (48 leads) a a1 a2 b b1 d d1 d2 e e1 e2 e l n ccc ddd min - 0.05 0.95 0.17 0.17 9.00 7.00 5.00 9.00 7.00 5.00 0.50 0.45 48 - - nom - - 1.00 0.22 0.20 0.60 - - max 1.20 0.15 1.05 0.27 0.23 0.75 0.08 0.08 notes: 1.alldimensioningandtolerancesconformtoasme y14.5m1994, 2.datumplane[||]locatedatmouldpartingli neandcoincidentwithlead,whereleadexists,pla sticbodyatbottomofpartingline. 3.datum[ab]and[d]tobedeterminedatcentr elinebetweenleadswhereleadsexist,plasticbody atdatumplane[||] 4.tobedeterminedatseatingplane[c] 5.dimensionsd1ande1donotincludemouldprotr usion.dimensionsd1ande1donotincludemouldpr otrusion.allowablemouldprotrusionis0.254mmon d1ande1dimensions. 6.'n'isthetotalnumberofterminals 7.thesedimensionstobedeterminedatdatumplan e[||] 8.packagetopdimensionsaresmallerthanbottomd imensionsandtopofpackagewillnotoverhangbott omofpackage. 9.dimensionbdoesnotincludedambarprotrusion ,allowabledambarprotrusionshallbe0.08mmtota linexcessofthe"b"dimensionatmaximummateria lcondition,dambarcannot belocatedonthelowerradiusofthefoot. 10.controllingdimensionmillimetre. 11.maximumallowablediethicknesstobeassembled inthispackagefamilyis0.38mm 12.thisoutlineconformstojedecpublication95r egistrationms026,variationaba,abc&abd. 13.a1isdefinedasthedistancefromtheseating planetothelowestpointofthepackagebody. 14.dimensiond2ande2representthesizeofthe exposedpad.theactualdimensionsarespecifiedio nthebondingdiagram,andareindependentfromdie size. 15.exposedpadshallbecoplanarwithbottomofpa ckagewithin0.05. figure 4 ? tqfp_ep 7x7 drawing exposed pad need best possible contact to ground for exlectrical and thermal reasons
MLX81200 bldc motor controller MLX81200 product abstract page 13 of 15 june/2012 rev 2.4 5. standard information regarding manufacturability of melexis products with different soldering processes our products are classified and qualified regarding soldering technology, solderability and moisture sensitivity level according to following t est methods: reflow soldering smd?s (s urface m ount d evices) ? ipc/jedec j-std-020 moisture/reflow sensitivity classification for nonh ermetic solid state surface mount devices (classification reflow profiles according to table 5-2) ? eia/jedec jesd22-a113 preconditioning of nonhermetic surface mount device s prior to reliability testing (reflow profiles according to table 2) wave soldering smd?s (s urface m ount d evices) and thd?s (t hrough h ole d evices) ? en60749-20 resistance of plastic- encapsulated smd?s to combin ed effect of moisture and soldering heat ? eia/jedec jesd22-b106 and en60749-15 resistance to soldering temperature for through-hol e mounted devices iron soldering thd?s (t hrough h ole d evices) ? en60749-15 resistance to soldering temperature for through-hol e mounted devices solderability smd?s (s urface m ount d evices) and thd?s (t hrough h ole d evices) ? eia/jedec jesd22-b102 and en60749-21 solderability for all soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature profile etc) additional classification and qualification tests have to be a greed upon with melexis. the application of wave soldering for smd?s is allo wed only after consulting melexis regarding assurance of adhesive strength between de vice and board. melexis is contributing to global environmental con servation by promoting lead free solutions. for more information on qualifications o f rohs compliant products (rohs = european directive on the restriction of the use of certain hazardous substances) please visit the quality page on our website: http://www.melexis.com/quality.aspx
MLX81200 bldc motor controller MLX81200 product abstract page 14 of 15 june/2012 rev 2.4 6. disclaimer devices sold by melexis are covered by the warranty and patent indemnification provisions appearing in its term of sale. melexis makes no war ranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. melexis reserves the right to change specifications and prices at any time and without n otice. therefore, prior to designing this product into a system, it is necessary to check wit h melexis for current information. this product is intended for use in normal commercial ap plications. applications requiring extended temperature range, unusual environmental r equirements, or high reliability applications, such as military, medical life-suppor t or life-sustaining equipment are specifically not recommended without additional pro cessing by melexis for each application. the information furnished by melexis is believed to be correct and accurate. however, melexis shall not be liable to recipient or any thi rd party for any damages, including but not limited to personal injury, property damage, loss o f profits, loss of use, interrupt of business or indirect, special incidental or consequ ential 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 arise or flow out of melexis? rendering of technical or other services. ? 2012 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: +1 248 306 5400 e-mail: sales_europe@melexis.com e-mail: sales_usa @melexis.com iso/ts 16949 and iso14001 certified
MLX81200 bldc motor controller MLX81200 product abstract page 15 of 15 june/2012 rev 2.4 your notes

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