6-channel motor driver ic for dsc, dvc and surveillance cameras r2a30444bx r2a30444bx page 1 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r19ds0064ej0800 rev.8.00 may 10, 2012 under development datasheet the specifications are subj ect to change without notice. when it is examined for use, please conf irm that this is the latest version. t=0.64 unit: mm body: 2.56mm x 2.60mm t=0.64mm ball pitch: 0.4mm overview the r2a30444bx is a semiconductor integrated circuit that incorporates driver circuits suitable for mo tor 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 32-pin wlbga package (ball pitch of 0.4mm/t=0.64mm) has been adopted. ? 1ch/2ch and 3ch/4ch are capable 1-2 phase (100%) stepper drive, 16, 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. ? the input terminal is compatible with 1.8v system. ? built-in 2 pi driver channels ? built-in 2 comparator channels ? built-in low-voltage malfunction prevention and thermal shutdown circuit. application motor driver for digital still cameras recommended operating conditions power-supply voltage range ????????????? vm: 2.65v~5.5v rated power-supply voltage ????????????? vm: 5.0v outline/package: wlbga 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 2.60mm 2.56mm a b c d e f 654321 inc ina sdat sclk gnd out2a out2b 2ch d class amp h-bridge cv vm12 out1a out1b 1ch d class amp h-bridge cv out4a out4b out3a out3b 3ch d class amp h-bridge cv out6a out6b 6ch h-bridge cc? fs dcm coil 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 vm56 rnf5 dcm coil dcm coil dcm coil vc5 out5a out5b 5ch h-bridge cc? fs dcm coil exclusive control 1 4ch d class amp h-bridge cv vm34 pgnd34 cs gnd psx reset mcu 1,2ch clock control control signal(3,4,5,6ch) clock control(3,4ch) serial control signal (3 line) ?? step ? step pi1 c 4bit dac cpout1 cpin1 c 4bit dac cpout2/ mob cpin2 pi2 50ma 50ma vm56 vm56 vm56 frequency divider frequency divider
page 2 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r2a30444bx ambient operating temperature ta [ ?c] power consumption pd [mw] thermal derating curve 500 0 20 40 60 80 100 120 140 160 1000 1500 tbd absolute maximum ratings (unless specified, the am bient temperature is 25 ?c) ? c ?40~125 tstg storage temperature ? c ?30~85 topr ambient operating temperature note3 v ?0.3~5.5 vin applied input voltages ? c 150 tj max. junction temperature note2 (ta ?? 25? c) mw/ ? c tbd k ? thermal derating ratio note2 (ta = 25 ? c) mw tbd pd allowable power consumption note4 note5 dc ma/ch ?400 iod direct current (6ch) note4 pw < 10ms, duty ? 20% ma/ch ?1000 iop instantaneous output current (1ch~5ch) note4 note5 dc ma/ch ?800 iod direct current (1ch~5ch) note1 v 6.5 vm power-supply voltage 2 remarks unit rated value symbol item 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 board: 20% in layers 1 and 4, 100% in layers 2 and 3. 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. 5. when fs is used for ch5, rnf5 needs to be connected to gnd. [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 when the ambient temperature is 25 ? c or more, refer to the above figure in selecting the required heat sink.
page 3 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r2a30444bx terminal function explanation top view (marking side) bottom view (pin side) a b c d e f 1 2 34 5 6 out5b vm12 out2b ina in12 out1a out1b out3a sclk sdat gnd pi1 pi2 out3b out4a out2a cpin2 cpin1 cpout 1 out4b vm34 rnf 5 pgnd 34 vm56 out6b psx inc out6a out5a cpout 2 cs inb 1 23 4 56 a b c d e f vm12 out2b out1a out1b out3a gnd out3b out4a out2a out4b vm34 pgnd 34 ina in12 pi1 pi2 inc inb out5b cpout 1 out6b cpout 2 cpin2 cpin1 out6a out5a sclk sdat rnf 5 vm56 psx cs 1 a 444x xxxx f6 f5 f4 f3 f2 f1 e6 e5 e4 e3 e2 e1 d6 d5 ? ? d2 d1 pin no out2a out2b vm12 gnd out1a out1b rnf5 cs sdat sclk psx vm56 out5a cpin2 cpin2 out6a pin name 5ch b output comparator 2 output comparator 1 output 6ch b output pi2 output mob/ext output serial control signal 4/5/6ch control 3/4/5ch control 12ch control pi1 output 4ch b output 4ch a output 3/4ch motor power supply 3/4ch power gnd 3ch b output 3ch a output pin function o o power supply gnd o o gnd i i i i power supply o i i o i/o 2ch a output o out5b c6 2ch b output o cpout2 c5 1/2ch motor power supply ? 1/2ch power gnd /analog control gnd ? 1ch a output o cpout1 c2 1ch b output o out6b c1 5ch power gnd o pi2 b6 serial control signal i inc b5 serial control signal i inb b4 serial control signal i ina b3 ps control signal i in12 b2 5/6ch motor power supply & analog/control power supply o pi1 b1 5ch a output o out4b a6 comparator 2 input o out4a a5 power supply vm34 a4 gnd pgnd34 a3 comparator 1 input o out3b a2 6ch a output o out3a a1 pin function i/o pin name pin no
page 4 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r2a30444bx 1ch 2ch 5ch stm1 cc/fs 6ch cc/fs 3ch 4ch stm2 1line (in12) 1line control (ina) 1ch 2ch 5ch stm1 cc/fs 6ch cc/fs 7ch cc/fs 3ch 4ch stm2 1line control or serial [connected pattern2] [connected pattern1] 1line (in12) 1line control (ina) 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) or serial 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. stm1 dcm or u-step cc/fs cc/fs vm12 vm56 vm34 dcm or stm2 u-step out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a vm12 exclusive control stm1 u-step vm56 vm34 stm2 out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a u-step 3~7ch control input terminal setting 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) or serial cc/fs cc/fs cc/fs actuator connection pattern(1) ? ? ? ? ? 00000 7ch 6ch 5ch 4ch(dc motor/coil) 3ch(dc motor/coil) 3/4ch (stm2) 3~7ch input terminal control bit setting inb ? inc ina 10101 ? inb inc ina 00101 ? ? inb/inc ina 11001 ? inc ? ina 01001 ? ? inc ina 10001 ? ? ? ina 00001 inb ? inc ? ? 01110 ? inb inc ? ? 10110 inb ? inc ina ? 00110 ? in b inc ina ? 11010 ? ? inc ina ? 01010 inb ? inc ? ina 10010 ? inb inc ? ina 00010 ? ? inc inb ina 11100 ? ? inc ? ina 01100 ? ? inc ? ? 10100 ? ina inb/inc ? ? 00100 ? ? inb/inc ina ? 11000 ? ? inb/inc ? ina 01 000 ? ? in b/inc ? ? 10000 b0b1b2b3b4
page 5 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r2a30444bx [connected pattern3] stm1 dcm or u-step cc/fs cc/fs cv vm12 vm56 cv vm34 out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a dcm or dcm or dcm or 1ch 2ch 3ch 4ch 5ch stm1 1line (in12) cv cv cc/fs 6ch the control method of each channel is set through serial 1line control (ina or inb) or serial 1line control (ina) or serial cc/fs [connected pattern4] stm1 u-step vm56 cv cv vm12 vm34 dcm or dcm or out6b out6a out5b out5a out4b out4a out3b out3a out2b out2a out1b out1a 1ch 2ch 3ch 4ch 5ch stm1 cv cv cc/fs 6ch cc/fs 7ch cc/fs 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 (ina) or serial 3~7ch control input terminal setting 1line control or serial 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) or serial 1line control (inb) or serial 1line control (inc) or 2line control (inb/inc) or serial exclusive control cc/fs cc/fs cc/fs actuator connection pattern(2) ? ? ? ? ? 00000 7ch 6ch 5ch 4ch(dc motor/coil) 3ch(dc motor/coil) 3/4ch (stm2) 3~7ch input terminal control bit setting inb ? inc ina 10101 ? inb inc ina 00101 ? ? inb/inc ina 11001 ? inc ? ina 01001 ? ? inc ina 10001 ? ? ? ina 00001 inb ? inc ? ? 01110 ? inb inc ? ? 10110 inb ? inc ina ? 0 0110 ? in b inc ina ? 11010 ? ? inc ina ? 01010 inb ? inc ? ina 10010 ? inb inc ? ina 00010 ? ? inc inb ina 11100 ? ? inc ? ina 01100 ? ? inc ? ? 10100 ? ina inb/inc ? ? 00100 ? ? inb/inc ina ? 11000 ? ? inb/inc ? ina 01 000 ? ? in b/inc ? ? 10000 b0b1b2b3b4
page 6 of 6 r19ds0064ej0800 rev.8.00 may 10, 2012 r2a30444bx ordering information 3000 pcs swbg0032la-a r2a30444bx#w0 quantity package code orderable part no.
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