6-channel motor driver ics for ds c, dvc and surveillance cameras r2a30428bm/r2a30428bx r2a30428bm/r2a30428bx page 1 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r19ds0061ej0100 rev.1.00 may 10, 2012 datasheet t=0.60 unit: mm body: 2.62mm x 2.92mm t=0.60mm ball pitch: 0.4mm overview the r2a30428bm is a semiconductor integrated circuit that incorporates driver circuits suitable for motor of digital cameras features ? an ultra-fine cmos process has been adopted for low power consumption in a design with no charge-pump. ? a small 36-pin wlp package (ball pitch of 0.4mm/t=0.60mm) has been adopted. ? 1ch/2ch and 3ch/4ch are capable of 2-2 phase stepper drive, 1-2 phase (100%) stepper drive, 128, 256 and 512 resolution micro-steps. ? 3ch/4ch is capable of constant voltage drive. ? 5ch/6ch is capable of constant current drive. ? by using exclusive control mode on 5ch and 6ch, it resembles 7ch drive. ? built-in 3 pi drivers channels. ? built-in 3 schmitt buffers channels. ? built-in low-voltage malfunction prevention and thermal shutdown circuit. ? power supplies vcc and vm are internally isolated and include a function to prevent reverse current between the power supplies. application motor driver for digital still cameras recommended operating conditions power-supply voltage range ????????????? vcc: 2.7v~3.6v vm: 2.7v~5.5v rated power-supply voltage ????????????? vcc: 3.3v vm: 5.0v outline/package: wlp pin layout (ball side) note: ? each vm pins respectively are not connected to each other internally. please connect them externally. block diagram and application circuit example inc ina dsat sclk cs mcu gnd out2a out2b 2ch btlamp h-bridge cv vm12 out1a out1b 1ch btlamp h-bridge cv out4a out4b out3a out3b 3ch btlamp h-bridge cv ? fs vcc 10uf vcc power supply 2.7~3.6v out6a out6b 6ch h-bridge cc? fs dcm coil rnf6 10uf vm power supply inb serial control logic in12 vc6 bias low voltage detection tsd vref(1.25v) 4bit dac vc12 vc34 u-step circuit u-step circuit fs : full-swing cv : constant-voltage cc : constant-current stm-1 stm-2 serial control signal (3wire) vm56 rnf5 dcm coil dcm coil dcm coil vc5 out5a out5b 5ch h-bridge cc? fs dcm coil exclusive control 1 4ch btlamp h-bridge cv ? fs gnd pi1 pi2 b1out b2in b2out 30ma 30ma vcc pi3 30ma vm34 1,2ch control clock control signal (3,4,5,6ch) control clock (3,4ch) b3in b3out b1in pgnd34 por 2.92mm 2.62mm a b c d e f g 654321
page 2 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r2a30428bm/r2a30428bx 6.5 6.5 vcc pd tstg v ? c vm power-supply voltage 2 power-supply voltage 1 k ? mw mw/ ? c topr -30~85 -40~150 ? c -0.3~vcc+0.3 vin v v tj 150 ? c ?600 iod direct current (1ch~6ch) ?800 iop instantaneous output current(1ch~6ch) ma/ch ma/ch item symbol rated value unit remarks allowable power consumption thermal derating ratio ambient operating temperature storage temperature applied input voltages note1 note1 note3 note2 (ta = 25 ? c) note2 (ta ? 25? c) max. junction temperature note4 dc note4 pw < 10ms, duty ? 20% notes: 1. as a rule, do not apply reverse power-supply voltages. 2. glass epoxy board: 76.2mm x 114.5mm x 1.6mm, copper-occupancy ratio in a 4-layer board20-100-100-20%. note that the allowable power consumption changes according to the conditions imposed on the board. 3. as a rule, do not apply voltages above the power-supply voltage or below the gnd voltage. 4. the total output current does not exceed the rated value in usage with multiple channels simultaneously turned on. ambient operating temperature ta [ ?c] power consumption pd [mw] thermal derating curve [remarks] the electric power which the power consumption of this ic with the output transistor of 1ch - 6ch becomes dominant. output transistor power consumption formula : (output current) 2 x on resistance e.g. (500ma) 2 x 2.0ohm=500mw : output current x {vm ? rnf5 ? output current x rm} note: in constant current control, the on resistance is not included in the calculation : (vm ? voltage between terminal) x voltage between terminal / rl note: in constant voltage control, the on resistance is not included in the calculation formula for rl at a resistance fixed voltage regulation of the actuator. when the ambient temperature is 25 ? c or more, refer to the above figure in selecting the required heat sink. 1620 -12.96 500 0 20 40 60 80 100 120 140 160 1000 1500 1620 842 -12.96mw/ ?c absolute maximum ratings (unless specified, the ambient temperature is 25 ? c)
page 3 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r2a30428bm/r2a30428bx terminal function explanation top view (marking side) bottom view (pin side) a b c d e f 1 2 34 5 6 vm56 vm12 b1in b2in b2out b3in out2b out4b inb inc out1b out3a sclk sdat cs pi3 gnd vcc pi1 pi2 vm34 out3b out4a b1out out2a b3out ina in12 out1a pgnd 34 rnf6 rnf5 out5b out5a out6a out6b 1 234 56 rnf6 rnf5 out5b out5a out6a out6b vm56 vm12 b1in b2in b2out b3in out2b out4b inb inc ina in12 out1a out1b out3a sclk sdat cs pi3 gnd vcc pi1 pi2 vm34 out3b out4a b1out out2a b3out pgnd 34 g a b c d e f g g6 g5 g4 g3 g2 g1 f6 f5 f4 f3 f2 f1 e6 e5 ? ? e2 e1 pin no out5a rnf5 out5b out6a rnf6 out6b vm56 b1in b2in b2out b3in vm12 out4a b1out ? ? b3out out2a pin name 4ch b output 4/5/6ch control ? ? 6ch control 2ch b output 3ch a output 3/4/5ch control ? ? 12ch control 1ch a output 3ch b output serial control signal serial control signal serial control signal pi3 output or mob/ext output 1ch b output 34ch power gnd 3/4ch motor power supply analog/control power supply pi1 output pi2 output 1/2ch power gnd /analog control gnd pin function o gnd o o gnd o power supply i i o i power supply o o ? ? o o i/o o out4b d6 i inb d5 ? ? ? ? ? ? i inc d2 o out2b d1 5ch a output o out3a c6 current feedb ack resistor connection i ina c5 5ch b output ? ? ? 6ch a output ? ? ? current feedback resistor connection i in12 c2 6ch b output o out1a c1 5/6ch motor power supply o out3b b6 schmitt buffer 1 input i sclk b5 schmitt buffer 2 input i sdat b4 schmitt buffer 2 output i cs b3 schmitt buffer 3 input o pi3 b2 1/2ch motor power supply o out1b b1 4ch a output gnd pgnd34 a6 schmitt buffer 1 output power supply vm34 a5 ? power supply vcc a4 ? o pi1 a3 schmitt buffer 3 output o pi2 a2 2ch a output gnd gnd a1 pin function i/o pin name pin no
page 4 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r2a30428bm/r2a30428bx [connected pattern 1] [connected pattern 2] out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a stm1 u-step cc/fs cc/fs cv/fs 1ch 2ch 3ch 4ch 5ch stm1 1line (in12) cv/fs cv/fs cc/fs 1line control (ina or inb) or serial vm12 vm56 cv/fs 6ch 1line control (inc) or 2line control (inb/inc) vm34 the control method of each channel is set through serial 1line control (ina or inb) or serial 1line control (ina) or serial 1ch 2ch 3ch 4ch 5ch stm1 cv/fs cv/fs cc/fs 6ch cc/fs 7ch fs out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a stm1 u-step vm56 vm12 vm34 serial exclusive control 5ch,6ch,7ch cannot be simultaneously operated. only one channel is operated at a time. the control method of each channel is set through serial 1line (in12) 1line control (ina or inb) or serial 1line control (inc) or 2line control (inb/inc) 1line control (ina or inb) or serial 1line control (ina) or serial 3~6ch control input terminal setting cv/fs cv/fs dcm or dcm or dcm or dcm or dcm or dcm or 3~6ch control bit of input terminal setting b3 b2 0 0 0 0 01 5ch 6ch ina ina inb inc inc 0 00 0 0 ina ina inc inc 0 0 1 10 ina inb inc inc 10 11 ina inb inc inc b1 b0 0 0 1 0 00 0 01 11 0 1 1 0 1 1 1 01 3ch (dc motor /coil) 4ch (dc motor /coil) inb inc inb 1 1 inc 1 1ina ina inb inb 3/4ch (stm2) ina ina ina 0 0 0 0 0 0 0 0 0 0 0 b4 ina 00 inc 00 01 inb inc inc 0 0 1 1 01 1 1 1 inb inc inb fs cc/fs cc/fs dcm or dcm or dcm or exclusive control actuator connection pattern(1)
page 5 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r2a30428bm/r2a30428bx out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a stm1 u-step cc/fs cc/fs 1ch 2ch 5ch stm1 cc/fs vm56 6ch cc/fs stm2 u-step 3ch 4ch stm2 vm12 vm34 1line (in12) 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) 1line control (ina) 1ch 2ch 5ch stm1 cc/fs 6ch cc/fs 7ch fs out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a stm1 u-step vm56 stm2 u-step 3ch 4ch stm2 vm12 vm34 serial [ connected pattern 4] [ connected pattern 3] 1line (in12) 1line control (ina) 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) the control method of each channel is set through serial the control method of each channel is set through serial exclusive control 5ch,6ch,7ch cannot be simultaneously operated. only one channel is operated at a time. dcm or dcm or fs cc/fs cc/fs dcm or dcm or dcm or exclusive control 3~6ch control input terminal setting 3~6ch control bit of input terminal setting b3 b2 0 0 0 0 01 5ch 6ch ina ina inb inc inc 0 00 0 0 ina ina inc inc 0 0 1 10 ina inb inc inc 10 11 ina inb inc inc b1 b0 0 0 1 0 00 0 01 11 0 1 1 0 1 1 1 01 3ch (dc motor /coil) 4ch (dc motor /coil) inb inc inb 1 1 inc 1 1ina ina inb inb 3/4ch (stm2) ina ina ina 0 0 0 0 0 0 0 0 0 0 0 b4 ina 00 inc 00 01 inb inc inc 0 0 1 1 01 1 1 1 inb inc inb actuator connection pattern(2)
page 6 of 6 r19ds0061ej0100 rev.1.00 may 10, 2012 r2a30428bm/r2a30428bx ordering information 2500 pcs swbg0036lb-a r2a30428bx#w0 2500 pcs swbg0036la-a r2a30428bm#w0 quantity package code orderable part no.
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