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11707 ti im b8-6143, b8-6059 no.7884-1/18 LB11885 overview LB11885 is a three-in-one motor driver for portable vcr. features ? capstan motor drive unit 3-phase, 120 degrees full conducting, direct pwm drive built in pwm oscillator current limiter (it is fixed in ternally and setup externally.) forward/reverse rotation 2 levels fg amplifier (built-in gain resistor) control amplifier output pin ? drum motor drive unit 3-phase, 120 degrees full conducting soft switching sensorless drive fg sensorless function 2 levels pg amplifier fg and pg mixing output (separated output is also possible.) ? loading motor drive unit h-bridge forward/reverse rotation motor voltage switch short brake input control for 3 values ? common unit over-heat protection function (thermal shut down) ordering number : en7884a monolithic digital ic three-in-one motor driver for portable vcr any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated val ues (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor products described or contained herein.
LB11885 no.7884-2/18 maximum ratings at ta = 25 c parameter symbol conditions ratings unit ic power source voltage vreg max 6.5 v motor power source 1 c_v cc max 30.0 v motor power source 2 d_v cc max 30.0 v motor power source 3 l_v cc max 30.0 v applied input voltage vi1 max -0.3 to v cc +0.3 v motor output current ic_v cc max 1.2 a motor output current id_v cc max 0.75 a motor output current il_v cc max 0.8 a pd max1 ic alone 0.85 w allowable internal power dissipation pd max2 w pin voltage range 1 vpin max1 crss, crsp, cuout, cvout, cwout cmgnd-vf to cv cc +vf v pin voltage range 2 vpin max2 drs, dcom, duout, dvout, dwout dmgnd-vf to dv cc +vf v pin voltage range 3 vpin max3 lout1, lout2 lgnd-vf to lv cc +vf v operating temperature topr -20 to +75 c storage temperature tstg -55 to +150 c allowable operating range at ta = 25 c parameter symbol conditions ratings unit power source voltage 1 vreg 4 to 6 v power source voltage 2 c_v cc 8 to 28 v power source voltage 3 d_v cc 8 to 28 v power source voltage 4 l_v cc 8 to 28 v electric potential difference between mgnd and sgnd ? gnd (mgnd)-(sgnd) -0.3 to +0.4 v electrical characteristics ratings parameter symbol conditions min typ max unit common unit at ta = 25 c, vreg = 5v, c_v cc = d_v cc = l_v cc = 12v power source current 1 ivreg 17 25 ma power source current 2 ic_v cc 0.3 2 ma power source current 3 id_v cc 0.6 1 ma power source current 4 il_v cc 2 3 ma power source current 5 iv cc q vreg = 0v, ic_v cc +id_v cc +il_v cc 100 a thermal shutdown temperature tsd *design target value 140 160 180 c thermal shutdown hysteresis ? tsd *design target value 15 c capstan motor unit at ta = 25 c, vreg = 5v, c_v cc = 12v output saturation voltage 1 vosat i o = 1.0a, source+sink 2.6 4.0 v hall signal input level vhall 60 mvp-p hall in-phase input voltage vcm 1.0 v cc - 1.7 v c_ilm pin input voltage range vclim 0 vreg v c_ilm pin input current iclim c_lim = 3v 2.0 a c_lim control start voltage vclimst c_rf = 0.5 ? 2.4 2.5 2.6 v c_lim gain gclim c_cnt = 5v, c_rf = 0.5 ? 0.49 0.53 0.57 v/v c_lim pin short brake release voltage broff1 1.1 1.4 v c_cnt input voltage range vccnt 0 vreg v * note: thermal design must be set for a junction temperature of 140 c. * it is a design target value and measurement is not carried out. continued on next page.
LB11885 no.7884-3/18 continued from preceding page. ratings parameter symbol conditions min typ max unit c_cnt input current icctl c_cnt = 3v 2.0 a c_cnt control start voltage vccntst c_rf = 0.5 ? 2.4 2.5 2.6 v c_cnt gain gccnt c_rf = 0.5 ? 0.49 0.53 0.57 v/v c_cnt pin short brake release voltage broff2 1.1 1.4 v f/r forward voltage vfw 1.5 vreg v f/r reverse voltage vrw 0 1 v f/r input current ifr c_fr = 3v 100 200 a fg amplifier reference voltage vfgr 2.40 2.50 2.60 v linear amplifier gain dc gdc 47 50 53 fold hysteresis amplifie r output voltage vho i ho = 4ma 0.2 0.4 v hysteresis of hysteresis am plifier vhs both hysteresis 60 75 90 mv hysteresis amplifier output duty ratio fgdt 360hz fgin = 40mvp-p 49 50 51 % pwm carrier frequency fosc c_pwm = 680pf 18.5 21.7 25.0 khz internal current limiter setup voltage clim rf = 100 ? 0.60 0.675 0.75 v drum motor unit at ta = 25 c, vreg = 5v, dv cc = 12v output saturation voltage 2 dvsat2 0.6a, source+sink 1.8 2.6 v d_cnt input voltage range vd_cnt 0 vreg v d_cnt input current ic_cnt d_cnt = 3v 0.5 a d_cnt control start voltage d_cntst 2.40 2.50 2.60 v d_cnt gain gd_cnt 0.40 0.50 0.60 v/v pcout output current 1 ipcou source side 20 45 a pcout output current 2 ipcod sink side 20 45 a vcoin input current ivcoin vcoin = 3v, sink current 1 a minimum vco frequency fvco min cx = 0.022 f, vcoinn = open 330 410 500 hz maximum vco frequency fvco max cx = 0.022 f, vcoin = 5v 18.3 22.8 27.4 khz c1/c2 source current ratio rsource 1-(ic1source/ic2source) -12 0 12 % c1/c2 sink current ratio rsink 1-(ic1sink/ic2sink) -12 0 12 % c1 source/sink current ra tio rc1 ic1source/ic1sink 40 50 60 % c2 source/sink current ra tio rc2 ic2source/ic2sink 40 50 60 % fgo output high level voltage vfgh 4.7 v fgo output low level voltage vfgl 0.4 v pg amplifier reference voltage vpgref 2.8 3.0 3.2 v pg amplifier input offset opg -5 +5 mv pg amplifier input bias ipg pg- = 2.5v, source current 0.25 a linear amplifier gain gamp freq = 1khz 50 db hysteresis amplifier threshold level 1 vhys1 70 100 130 mv hysteresis amplifier threshold level 2 vhys2 140 200 260 mv pg output high level voltage vph 4.7 v pg output low level voltage vpl 0.2 v fg/pg mix mid voltage vmid 2.4 2.5 2.6 v internal current limiter setup voltage dlim rf = 100 ? 0.30 0.33 0.36 v loading unit at ta = 25 c, vreg = 5v, lv cc = 12v 1 (high) v in h 4 5 2 (middle) v in m 2 3 input voltage 3 (low) v in l 0 1 continued on next page.
LB11885 no.7884-4/18 continued from preceding page. ratings parameter symbol conditions min typ max unit il in 0 l in = 0v, source side 130 200 a input current i lin 5 l in = 5v, sink side 130 200 a vsat u-1 l_vref = lv cc between output and lv cc i o = 0.6a, cw/ccw mode 1.9 2.4 v vsat l-1 l_vref = lv cc between output and lv cc i o = 0.6a, cw/ccw mode 1.2 1.7 v saturation voltage vsatil l_vref = lv cc sink+source i o = 0.4a, cw/ccw mode 2.8 3.5 v residual voltage of upper side vsat u-1 l_vref = 8v between output and l_mgnd i o = 0.6a, cw/ccw mode 7.2 8.0 8.8 v upper ilu v cc = 0v 50 a output transistor leak current lower ill v cc = 0v 50 a l_vref current ivref l_vref = lv cc , source side l in = 0.5v 2 5 a package dimensions unit : mm (typ) 3278 sanyo : hssop48(375mil) 17.8 0.2 10.5 7.9 0.65 0.2 (6.2) (0.45) (4.9) 0.1 2.4 max (2.2) 0.65 1.3 1.5 124 48 25 020 -20 40 60 100 80 0 0.2 0.6 0.4 1.0 0.8 0.85 ilb01806 0.51 ambient temperature, ta - c pd max - ta allowable power dissipation, pd max - w independent ic
LB11885 no.7884-5/18 block diagram soft switching driver circuit vco pll divider tsd u pp er saturation p revention control mask circuit timing control circuit start control circuit rotor position detector circuit output drive circuit d_v cc d_com d_uout d_vout d_wout d_rf 0.5 ? d_mgnd d_cx d_vcoin d_pcout d_pg+ 1k ? 200 ? 0.1 ? 200 ? l_in l_mgnd output drive circuit l_out2 l_out1 l_v cc l_vref 560k ? 0.47 ? 250k ? vcc 2.5k ? 2.5k ? c_lim logic composite circuit
LB11885 no.7884-6/18 sample application circuit c_fr 43 42 41 40 39 38 15 16 17 18 19 20 21 22 24 14 35 34 33 32 31 30 29 28 27 26 45 44 46 47 d_vcoin 2 3 4 5 6 7 8 9 10 11 d_cx d_fc d_c2 d_c1 l_in d_cnt d_pgout2 d_fgout c_cnt l-vref sgnd c_pwm c_fc c_lim c_fgin c_fgout vreg c_fgs c_hw+ c_rfsense c_rfpower c_mgnd c_wout c_vout c_uout l_out1 l_mgnd l_v cc l_out2 d_vout d_uout d_wout d_rf d_v cc d_mgnd d_pgout1 d_pg+ d_com 1 48 36 37 13 12 23 25 d_pcout d_pg- c_hw- c_hv+ c_hv- c_hu- c_hu+ c_v cc 104f 223f 104f 222f 222f 681f 103f 104f 100 ? 0.5 ? 104f 103f 3 0.5 ? 104f 100k ? 10k ? 103f 560k ?
LB11885 no.7884-7/18 pin assignment c_fgout 41 40 39 38 37 36 15 16 17 18 19 20 21 22 34 33 32 31 30 29 28 25 43 42 44 45 d_v cc 4 5 6 7 8 9 10 11 12 13 d_cx d_fc d_c2 l_in d_cnt d_pcout d_pgout2 d_fgout c_pwm c_lim c_fgin c_fc vreg c_fgs c_hw+ c_v cc c_rfsense c_rfpowe r c_mgnd c_wout c_vout c_uout l_out1 l_mgnd l_out2 l_v cc sgnd d_r f d_uout d_com d_vout 3 47 35 14 d_wout c_hw- c_hv- c_hu- c_hu+ c_fr LB11885 23 24 2 1 d_rgout1 d_mgnd d_pg- d_pg+ 48 46 26 27 c_hv+ d_vcoin d_c1 c_cnt l_vref top view
LB11885 no.7884-8/18 pin description pin no symbol pin voltage pin description equivalent circuit 4 c-v cc 8v to 28v power pin of capstan motor driver 20 d-v cc 8v to 28v power pin of drum motor driver 13 l-v cc 8v to 28v power pin of loading motor driver 43 vreg 4v to 6v power pin to provide all voltages other than the output transistor and pre-drive 7 c-mgnd capstan motor gnd 37 sgnd gnd for all other than output 1 c-hu+ 2 c-hu- u-phase hall element input pin hu+>hu- state for logic h 47 c-hv+ 48 c-hv- v-phase hall element input pin. hv+>hv- state for logic h 45 c-hw+ 46 c-hw- 1.5v to v cc -1.5v w-phase hall element input pin. hw+>hw- state for logic h 41 c-fgin 1v to v cc -1.5v capstan fgamp reverse input pin 42 c-fgout capstan fgmp linear output pin return resistor is incorporated with the amplification degree of about 50-fold. 44 c-fgs fg schmidt amp output pin of capstan block 3 c-fr 0v to v cc capstan forward/reverse control pin continued on next page. 44 5k ? v cc 20k ? v cc 4 1.2v 30k ? 300 ? v cc 250k ? 41 42 5k ? 300 ? 2k ? 1 47 48 45 2 46 v cc
LB11885 no.7884-9/18 continued from preceding page. pin no symbol pin voltage pin description equivalent circuit 39 c-fc capstan control loop frequency characteristics compensation pin 5 c-rfs capstan current detection filter pin connect the current detected at c- rfp to this pin after passing through the cr filter. 38 c-pwm capacitor connection pin for pwm oscillation at capstan 40 c-lim 0v to v cc capstan current limit setting pin 35 c-cnt 0v to v cc capstan speed control voltage application pin 8 c-wout capstan w-phase output pin 9 c-vout capstan v-phase output pin 10 c-uout capstan u-phase output pin 6 c-rfp pwrtr gnd and current return resistor connection pin continued on next page. 38 300 ? 3k ? 39 v cc 300 ? 5 300 ? v cc 35 300 ? 40 300 ? 2k ? 2k ? cvco 8 9 10 6
LB11885 no.7884-10/18 continued from preceding page. pin no symbol pin voltage pin description equivalent circuit 28 d-fc drum frequency characteristics compensation pin. insertion of a capacitor to gnd stops oscillation of the closed loop of current control system 32 d-cnt 0v to v cc drum speed control pin. control is the constant current control to which current return is applied from drs. 21 d-mgnd drum current control sensing gnd pin. connect this pin to gnd of the current detection resistor. 23 d-pg+ drum pg amplifier non-inverted input pin biased internally to (3/5) v cc 24 d-pg- drum pg amplifier inverted input pin continued on next page. v cc 28 v cc 32 300 ? v cc 18 21 v cc 24 300 ? 300 ? 23 10k ? 15k ?
LB11885 no.7884-11/18 continued from preceding page. pin no symbol pin voltage pin description equivalent circuit 22 d-pgout1 drum pg amplifier linear output pin 33 d-pgout2 drum pg sc hmidt amplifier output pin 34 d-fgout drum motor reverse counter- electromotive voltage detection output pin (three-phase synthesizing) 26 d-vcoin vco circuit voltage input pin of drum block. the pcout pin voltage is input via cr filter. 25 d-pcout vco circuit pll output pin of drum block. continued on next page. v cc 22 300 ? 5k ? 500 ? 33 5k ? v cc 34 5k ? v cc 26 v cc 1k ? 4.7k ? 25 v cc
LB11885 no.7884-12/18 continued from preceding page. pin no symbol pin voltage pin description equivalent circuit 16 d-uout 15 d-vout 17 d-wout drum motor driver output pin 18 d-rf minimum potential of drum motor driver output transistor. constant- current control is made through detection of this voltage. the current limiter also functions by detecting this potential. 19 d-com motor coil neutral point input pin. the coil voltage waveform is detected with reference to this voltage. 30 d-c1 29 d-c2 triangular wave generating capacitor connection pin of drum block. this triangular wave performs soft- switching of the coil output waveform. 27 d-cx in the vco circuit, the operation frequency range and minimum operation frequency are determined by means of the capacitor value connected to this pin and gnd. continued on next page. dvco 200 ? 19 200 ? 200 ? 2k ? 17 16 15 10k ? 300 ? v cc 27 dlvco 17 15 16 18 1/2v cc -vf 1k ? v cc 3 0 29
LB11885 no.7884-13/18 continued from preceding page. pin no symbol pin voltage pin description equivalent circuit 36 l-vref 0 to lvco loading output voltage setting pin 31 l-in 0v to v cc loading logic input pin 11 l-out1 14 l-out2 loading motor driver output pin 12 l-mgnd loading output transistor gnd pin 36 30k ? lvco 50k ? 30k ? 11 14 31 20k ? 20k ? 10k ? 11 14 13 12 36
LB11885 no.7884-14/18 timing chart and truth table 1. capstan motor driver drive waveform (c_fr = l) cuout cwout cvout (hu+) - (hu-) (hv+) - (hv-) (hw+) - (hw-)
LB11885 no.7884-15/18 2. capstan motor driver drive waveform (frc = h) cuout cwout cvout (hu+) - (hu-) (hv+) - (hv-) (hw+) - (hw-)
LB11885 no.7884-16/18 3. capstan motor driver truth table & control functions hall input source sink u v w frc v w h 1 w v h h l l u w h 2 w u h l l l u v h 3 v u h l h l w v h 4 v w l l h l w u h 5 u w l h h l v u h 6 u v l h l l note) h of frc means the voltage of 1.5v or more while l means the voltage of 1.0v or less. (at v cc = 5v) note) for the hall input, the input h means the condition in which (+) relative to each phase input (-) is higher by 0.1v. the input l means the condition in which (+) re lative to (-) is lower by 0.1v or more. control function & control limiting function caution: for the vcrf voltage of control charact eristics, the peak value is to be measured. cautions for use) ? when the direct reversion brake is to be used, keep the voltage at the c_lim terminal 3.1kv or less so that iomax is not exceeded. ? the capacitor to be used between power supply and gnd should be an electrolytic capacitor of 47f or more. vcrf 5 control characteristics cilm = 5v gm = 0.53v/vtyp 2.5 vtyp cctl vcrf current limiting characteristics cctl = 5v gradient = 0.53v/vtyp cilm 2.5 vtyp 1 2 3 4 0 1 2 3 4 0 pwm cycle peak value vcrf 0v
LB11885 no.7884-17/18 4. drum motor driver drive current waveform 5. loading motor truth table input output lin lout1 lout2 mode l l h reverse m (or open) l l brake h h l forward iduout current waveform idvout current waveform idwout current waveform bfgo counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection counter electromotive detection
LB11885 no.7884-18/18 ps this catalog provides information as of january, 2007. specifications and information herein are subject to change without notice. specifications of any and all sanyo semiconductor pr oducts described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. to verify s ymptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. sanyo semiconductor co., ltd. strives to supply high- quality high-reliability products. however, any and all semiconductor products fail with some probabi lity. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property . when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor produc ts (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording , or any information storage or retrieval system, or otherwise, without the prior written permission of sanyo semiconductor co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the "delivery specification" for the sanyo semiconductor product that you intend to use. information (including circuit diagrams and circui t parameters) herein is for example only; it is not guaranteed for volume production. sanyo semicondu ctor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.

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