1/4 rev. b structure silicon monolithic integrated circuit product series 5ch sensorless system motor driver for md type BD6603KVT features ? operates at low power supply voltage (2.3v min.) ? power dmos output with low on resistance (0.8 ? typ.) ? incorporates a charge pum p circuit for vg boost ? 3-phase full-wave sensorless driving system for spindle ? 4ch, 2-value control h-bridges for sled/focus/tracking/head up/down ? 2ch half-bridges for spindl e/sled vm power supply absolute maximum ratings (ta=25c) parameter symbol limit unit power supply voltage for control circuit vcc 7 v power supply voltage for driver block vm 7 v power supply voltage for pre-driver block vg 15 v input voltage vin 0 vcc v output current iomax *500 ma power dissipation pd **1250 mw operating temperature range topr -25 +75 storage temperature range ts t g - 5 5 +150 junction temperature tjmax +150 must not exceed pd or aso, tjmax=150 . reduced by 10.0mw/c over ta=25c, when mounted on a glass epoxy board (70mm ? 70mm ? 1.6mm). operating conditions (ta=-25 +75 ) parameter symbol min. typ. max. unit power supply voltage vcc 2.3 3.0 6.5 v vm 6.5 v vg vm+3 9 14 v pulse input frequency fin 200 khz
2/4 rev. b electrical c haracteristics (unless otherwise specified, ta= 25c, vcc=3v, vm=2.5v, fin=176khz) parameter symbol limit unit conditions min. typ. max. circuit current icc 5.6 8.0 ma at operation in all blocks ist 16 50 a at standby in all blocks output on resistance ron 0.8 1.2 ? upper and lower on resistance in total vg=10v boost circuit output voltage vg1 7.5 8.9 10.0 v each input l vg2 6.0 7.3 9.5 v at operation in all blocks oscillation circuit self propelled oscillating frequency fosc 125 250 400 khz external clock synchronous range fsync 500 khz input from extclk pin spindle (3-phase full-wave sensorless driver) block position detection comparator offset vco -10 +10 mv detection comparator input range vcd 0 vcc-1.0 v cst charge current icto -0.9 -2.1 -3.3 a cst=1v cst discharge current icti 2.0 3.6 5.3 ma cst=1v csl charge current iclo -4.0 -8.0 -12 a csl=vcc-0.4v csl discharge current icli 2.0 5.5 5.3 a csl=vcc-0.4v brake comparator input current ibr 2.0 a brk=vcc brake comparator input offset vbo -15 +15 mv brake comparator input range vbd 0 vcc-1.5 v fg output l voltage volf 0.2 0.3 v io=500 a sled, focus, tracking, head up/down, pwm power supply (h-bridge, half- bridge driver) block logic h level input voltage vinh vcc-0.4 v logic l level input voltage vinl 0.4 v logic h level input current iinh1 1 a vin=3v iinh2 350 600 a vin=3v extclk pin logic l level input current iinl -1 a vin=0v output propagation delay time trise 0.2 1 sec tfall 0.1 0.7 sec minimum input pulse width tmin 200 nsec output pulse width 2/3tmin or more this product is not designed for pr otection against r adioactive rays.
3/4 rev. b package outlines block diagram no. pin name no. pin name 1 pwin2 33 csl1 2 in1f 34 fg 3 in1r 35 in4r 4 in2f 36 in4f 5 in2r 37 in3r 6 h1pg2 38 in3f 7 h1rout 39 h4pg1 8 h1vm 40 h4fout 9 h1fout 41 h4vm 10 h1pg1 42 h4rout 11 h2pg2 43 h4pg2 12 h2rout 44 h3pg1 13 h2vm 45 h3fout 14 h2fout 46 h3vm 15 h2pg1 47 h3rout 16 brk- 48 h3pg2 17 brk+ 49 vg 18 spuin 50 c2m 19 spvin 51 c2p 20 spwin 52 c1m 21 spcom 53 c1p 22 sgnd 54 extclk 23 asgnd 55 sthb 24 sppg2 56 stall 25 spuout 57 vcc1 26 spvm2 58 vcc2 27 spvout 59 pw2vm 28 sppg1 60 pw2out 29 spwout 61 pwpg 30 spvm1 62 pw1out 31 cst 63 pw1vm 32 csl2 64 pwin1 tqfp64v outlines (unit mm) pin no./pin name logic pre drive charge pump oscillator tsd phase control slope signal pre drive pre drive pre drive spcom spvin spuin brk- brk+ vcc1,2 fg stall sthb c2m c1m in1r pre drive in1f in2r in2f in3r in3f vg sled motor in4f pre drive in4r pw in2 pw2 out pw in1 pw1 out ext clk vg spw out spv out csl1 csl2 cst + + pre drive ++ stand-by spcom c2p c1p spv out BD6603KVT lot no. type
4/4 rev. b notes on the use (1) absolute maximum ratings if the input voltage or the operating temperature range ex ceeds absolute maximum rati ngs, ic may be damaged. no destruction mode (e.g., short- circuiting or open) can be specified in that case. if such special mode as will exceed absolute maximum ratings is assumed, take the physical safety measures, such as a fuse. (2) power supply lines the regenerated current by bemf of the motor will return. theref ore, take measures, such as the insertion of a capacitor between the power supply and gnd as the pass of the regenerated current. determine the capacitance in full consideration of all the characteristics of the electrolytic capacitor, because t he electrolytic capacitor may loose some capacitance at low temperatures. (3) ground potential ensure a minimum gnd pin potenti al in all operating conditions. (4) design for heat use the design for heat that allows for a sufficient margin in light of the power dissipation (pd) in actual using conditions. (5) operation in strong magnetic field use caution when using the ic in the strong magnetic field as doing so may cause the ic to malfunction. (6) aso when using the ic, make settings so that the output transisto rs for the motor will not be used under conditions in excess of the absolute maximum ratings and aso. (7) thermal shutdown circuit this ic incorporates thermal shutdown circuit(tsd circuit). when the chip temperature becomes the one shown in below, tsd circuit operates and makes the coil output to motor open. it is designed to shut the ic off from runaway thermal operation. it is not designed to protect the ic or guarantee its operation. do not continue to use the ic after operating this circuit or use the ic in an environment where the operation of this circuit is assumed. tsd on temperature[ ] (typ.) hysteresis emperature [ ] (typ.) 175 20 (8) ground wiring pattern when having both small signal and large current gnd, it is recommended to isolate the two gnd patterns, placing a single ground point at the application's reference point so that the pattern wiring resistance and voltage variations caused by large currents do not cause voltage variations of the sm all signal gnd. be careful not to change the gnd wiring pattern of any external parts, either.
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