4-channel actuator motor driver m 567 54 sp mitsubishi 32 29 30 31 1 4 3 2 28 5 27 6 24 9 23 10 22 11 21 12 13 14 20 19 7 8 26 25 15 18 16 17 des cri pt i o n the M56754SP is a semiconductor ic developed as the motor driver used for cd-rom and cd player. this circuit includes 4-channel btl driver that is able to drive four actuator with one ic. f e at ures l low output saturation voltage(typ:1.35v at 0.5a) l large operating supply voltage range(4.5?3.2v) l minimum crossover distortion l built-in general operational amplifier app l i cat i o n cd-rom, cd player outline 32p4b pi n c o n f i g urat i o n ( to p v i e w ) vm3(+) vm3(-) vctl3l a2out vctl3h vref vctl4(2) vctl1h vm1(-) vm1(+) gnd vm2(+) vm2(-) a1+ gnd vctl4(1) vm4(+) vm4(-) vbs2 vbs1 v cc m5 6754s p vm1 vctl1l vctl2 a1out vm2 a1- a2- vctl1l vm1(+) vm1(-) vm2(-) vm2(+) vctl1h b l oc k d ia gr a m tsd 8 , 9 ,10, 23 ,24 ,25 gnd(6pin) 4 5 13 30 29 vctl2 vbs2 vm3(-) vm3(+) vm2 vctl4(2) vm4(+) vm4(-) vctl3(h) vctl3(l) + - - + + - + - - + + - + - - + ch2 + - + - - + ch1 + - + 32 vref + 3 2 vm1 vbs1 vctl4(1) vm2 1 v cc + + a2out a2- a1out a1- a1+ vrefm + - current bias vrefs v cc v cc vbs2 vbs2 vbs2 vbs2 vbs2 vbs1 vbs1 vbs1 vbs1 vm2 vm2 vm2 vm2 vm1 vm1 vm1 18 17 16 15 14 31 28 27 26 19 20 22 21 12 11 6 - - - - ch3 ch4 7 v cc v cc v cc v cc vm1
4-channel actuator motor driver m 567 54 sp mitsubishi pi n d e s cri pt i o n s symbol symbol pin no. function pin no. function 5v power supply v cc op amp. 2 output terminal a2out op amp. 2 inverted input terminal a2- ch3 amp. inverted output terminal vm3(-) ch3 amp. h gain input terminal vctl3h ch3 amp. l gain input terminal vctl3l 1 2 3 4 5 17 18 19 20 21 vbs1 vm1 vctl1l vctl1h boot strap power supply terminal 1 motor power supply terminal 1 ch1 amp. l gain input terminal ch1 amp. h gain input terminal ch3 amp. non-inverted output terminal vm3(+) 6 22 vm1(-) ch1 amp. inverted output terminal gnd gnd vm1(+) ch1 amp. non-inverted output terminal vm4(-) ch4 amp. inverted output terminal gnd gnd ch4 amp. non-inverted output terminal vm4(+) 27 vm2(+) ch2 amp. non-inverted output terminal ch4 amp. input terminal 1 vctl4(1) 12 28 vm2(-) ch2 amp. inverted output terminal motor power supply terminal 2 vm2 13 29 vctl2 ch2 amp. input terminal boot strap power supply terminal 2 vbs2 14 30 a1+ op amp. 1 non-inverted input terminal ch4 amp. input terminal 2 vctl4(2) 15 31 a1- op amp. 1 inverted input terminal reference voltage input terminal vref 16 32 a1out op amp. 1 output terminal 7 8 10 11 26 23 25 abs o l ut e m axi m um rat i ng (ta=25?c ) k q pt 4 , 5 , 13 , 14 , 15 , 17 , 19 , 20 , 28 , 31 , 32 pin vin symbol parameter condition rating unit 2 , 30 pin vbs vm v cc io tj topr supply voltage supply voltage supply voltage output current maximum input voltage of each terminal power dissipation junction temperature operating temperature storage temperature 3 , 29 pin with infinite heatsink without heatsink 15 15 7 700 0? cc 4.5 1.75 150 -10?5 -40?25 v v ma v w mw/?c ?c ?c ?c tstg thermal derating 1 pin with infinite heatsink without heatsink 36 14 v rec o m m e nde d o perat i n g c o ndi t i o n s min. typ. max. limits unit 5v power supply voltage symbol parameter v v 5.0 5.0 v cc vm1,vm2 motor power supply voltage vbs1,vbs2 boot strap supply voltage 4.5 5.5 vm+1 v
4-channel actuator motor driver m 567 54 sp mitsubishi che ck i t em s f o r eva l uat i o n min. typ. max. limits unit thermal shutdown operating temperature symbol parameter ?c ?c 165 40 ttsd thermal shutdown hysteresis temperature thtsd 1 2 test conditions the thermal shutdown temperature shown in this table does not assure the above thermal shutdown operating temperature range of the device operation. the operating assurance range of the device covers up to tjmax defined with the absolute maximum rating. the thermal shutdown opera tion shown in this table is a thermal protection circuit applied when the temperature exceeds this tjmax by mistake. therefore, be sure to operate this devic e at the temperature lower than or equal to tj=150?c. el ect r i cal charact eri s t i cs ( ta=25?c, v cc =vbs1=vbs2=vm1=vm2=5v, no-load unless otherwise noted) {vm1(+)-vm1(-)} (vctl1l-vref) 2.3 vrefm voltage output saturation voltage output saturation voltage (at boot) circuit current 1 on no-signal 2 , 3 , 29 , 30 pin current circuit current 2 on no-signal 1 pin current min. symbol parameter test conditions limits typ. max. unit i cc 1 32 44 ma i cc 2 10 14 ma i o =0.5a vrefm reference top and bottom saturation voltage of output power tr (io=0.5a) top and bottom saturation voltage of output power tr (io=0.5a) 1,2,3ch amp., vref=2.5v, 10k w connection between vctl and vref vospm spindle driver output voltage d range vsat1 vsat2 vofs4 output amp., offset voltage gain1l gain l between ch1 input and output gain1h gain h between ch1 input and output gain2 gain between ch2 input and output gain l between ch3 input and output gain 1 between ch4 input and output gain 2 between ch4 input and output vref supervisory voltage operational amp. input voltage range operational amp. output voltage range i o =?ma gain3l gain3h gain41 gain42 vrefs vopin vopout vofsop ibop 2.15 1.55 v 1.9 10.2 22.6 vrefs -10 -1 6.7 19.3 32.3 5.6 37.0 -0.15 1.0 +40 7.2 6.1 11.2 27.2 37.5 1.7 0 v mv mv db v v mv m a power supply circuit vrefm spindle driver btl driver vofs1.2.3 output amp., offset voltage 4ch amp., vref=2.5v 10k w connection between vctl and vref gain h between ch3 input and output gain between input and output vrefin vref amp. input voltage range turn off the bias when the vref input voltage is less than or equal to the value at right. vref amp. ibofs gb operational amp. offset voltage operational amp. input current operational amp. input current offset operational amp. gb product op amp. vin=2.5v vin=2.5v {vm2(+)-vm2(-)} (vctl2-vref) {vm1(+)-vm1(-)} (vctl1h-vref) {vm3(+)-vm3(-)} (vctl3l-vref) {vm4(+)-vm4(-)} {vctl4(1)-vref} {vm4(+)-vm4(-)} {vctl4(2)-vref} {vm3(+)-vm3(-)} (vctl3h-vref) (vctl1l= pin) (vctl1h= pin) (vctl2= pin) (vctl3l= pin) (vctl3h= pin) (vctl4l= pin) (10k w connection with vctl4(1)= pin) 6.2 18.8 31.8 5.1 36.5 0.5 0.5 -100 -70 -40 -1.55 1.35 0.7 10.7 25.0 2.5 1.4 0 4 +70 19.8 32.8 v cc -1.2 v cc -1.0 v cc -1.0 +10 +100 na mhz v v db db db db db db v v 4 5 13 19 20 28 31
4-channel actuator motor driver m 567 54 sp mitsubishi output voltage v o 1 2 3 4 5 12 3 4 5 (v) 0 v cc =5v 0.5 (v) input voltage vin vref (2.5v) vrefm (2.15v) vm1- 0.92v vm1+ 0.92v vctl1h 0.2v input/output voltage for vctl/1h( 5 pin) input ch1 amp. vm1+ 7 6 20k vm1 vref vctl1h reference voltage (vref=2.5v) 4 5 4.34k 4.7k vctl1l 32 non-inverted output amplifier (gain=5 times) inverted output amplifier (gain=5 times) (unit of resistance: w ) bas i c c haract eri s t i cs input/output characteristics of amplifier operational amp. a1+ a1out 820 a1- 2.25v vin vo 14 15 16
4-channel actuator motor driver m 567 54 sp mitsubishi ou tpu t s a tu r a tio n v o lt age lo ad c u r r en t c ha r a c t er isti cs (vbs=vm=v cc =5v) (vbs=12v,vm=v cc =5v) at time of boot strap : : load current (ma) output voltage (v) 1 2 3 4 5 100 200 300 400 500 output h voltage voltage between motor drive terminals bottom side saturation voltage top side saturation voltage output l voltage 0.84 0.89 0.95 1.00 1.05 0.06 0.12 0.18 0.24 0.30 0.07 0.15 0.23 0.31 0.40 top side saturation voltage at time of boot strap th er m a l d er at ing 0 25 50 75 100 125 150 ambient temperature (ta) ( ?c ) 1.0 2.0 3.0 4.0 5.0 1.75 4.5 power dissipation (pdp) (w) with infinite heat sink without heat sink
4-channel actuator motor driver m 567 54 sp mitsubishi 13 m a v bs 1 gnd 20k 4.7k gnd v cc 4 5 gnd v cc ch1 amp. input terminal gnd v m 1 5k 7 12.5k v bs 1 btl driver output terminal v cc gnd 18 25 m a 17 2k 2k gnd v cc gnd v cc 25 m a 16 15 14 2k 2k gnd v cc gnd v cc operation amp. input/output terminal i n put / o u t p ut e q ui val e nt c i r cui t vref input terminal 2k 32 25 m a gnd v cc v cc gnd 2k 30k current bias
4-channel actuator motor driver m 567 54 sp mitsubishi app l i cat i o n exa m p l e 2.52k tsd vm2 m 12.5k 12.5k pa op1 op1 op1 op1 23k 12.8k 4.4k 12.5k 12.5k 2.5k 12.5k 17.8k 12.5k 19.3k 4.7k 4.34k 2.5k 2.5k 2.5k op1 op1 op1 10k 12.5k 12.5k 2.5k 2.5k 12.5k 12.5k 2.5k 2.5k 12.5k 2.5k 2.5k 12.5k 12.5k 2.5k 12.5k 12.5k 2.5k 2.5k 12.5k 2.5k 2.5k 2.5k 4.7k 20k pa 5 vctl1h 19 vctl3l 20 vctl3h 23 gnd 28 vctl4(1) 29 vm2 2 vbs1 10 gnd 14 a1+ 13 vctl2 22 vm3+ 21 vm3- 26 vm4- 27 vm4+ 7 vm1+ 6 vm1- 12 vm2- 11 vm2+ 31 vctl4(2) 3 vm1 16 a1out 24 gnd 25 gnd 9 gnd 8 gnd 30 vbs2 15 a1- 18 a2out 17 a2- 4ch spindle 1 v cc 32 vref 4 vctl1l vrefm current bias vrefs 5v op1 m slide 3ch focus 2ch 1ch tracking 5v pa + pa + - pa pa + pa pa + 5v (unit of resistance: w )
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