4-channel motor driver ic for dsc, dvc and surveillance cameras r2a30406np r2a30406np page 1 of 3 r19ds0058ej0140 rev.1.40 may 10, 2012 r19ds0058ej0140 rev.1.40 may 10, 2012 datasheet overview the r2a30406np is a semiconductor integrated circuit that incorporates driver circuits suitable for the motors of digital cameras. by adopting an ultra-fine cmos process, h bridge 4-ch of a full-swing drive was built in one chip. it is considering as the high composit ion flexibility to realize low power consumption and miniaturization. applications motor driver for digital cameras, digital video camera, etc. recommended operating conditions power-supply voltage range ? vcc:2.5 ~ 5.5v vm :2.5 ~ 5.5v rated power-supply voltage ? vcc:3.0v vm :5.0v features ? all bridges can be controlled independently. an ultra-fine cmos process has been adopted for low power consumption in a design with no charge-pump. ? built-in h bridge of a full-swing drive 4 circuit ? built-in low-voltage malfunction prevention circuit ? power supply systems are all internally isolated and include a function to prevent reverse current between power supplies. ? it is housed in a small package (24 pcsp 3.5x3.5 mm t=0.8mm) block diagram and application circuit example pin assignment package : 24pcsp in1 en1 in2 en2 in3 en3 in4 en4 vm1 out1a out1b pgnd vm23 out2a out2b pgnd out3a out3b pgnd vm4 out4a out4b pgnd controller mcu stm1 or dcm control signal dom dom vm power supply as for the control input pins, the 100kohm inverter is built in pull down resistance . it will operate, if the terminal is set as h-active. when the control input pins use is not carried out, ens ure that the control input pins are either grounded or open-circuit (disconnected) while power is being supplied. since loads such as motors and coils are inductive, overshoots may occur on the power- supply voltage pin. therefore, we recommend the connection of a roughly 10-f capacitor between the vm pin and gnd. 9 10 11 12 13 14 15 16 1 2 3 23 22 21 20 4 5 8 17 18 7 19 6 fs h bridge 1ch fs h bridge 2ch fs h bridge 3ch fs h bridge 4ch control logic 10f 24 low-voltage detection stm1 or dcm control signal stm1 or dcm control signal stm1 or dcm control signal dom dom 10f vm1 out1a pgnd out2a out3a pgnd pgnd out4b en4 in4 en3 in3 en2 in2 en1 in1 vm4 out4a out3b vm23 out2b pgnd out1b vcc 123456 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13
page 2 of 3 r19ds0058ej0140 rev.1.40 may 10, 2012 r2a30406np absolute maximum ratings (unless otherwise specified, the ambient temperature is 25 ? c) notes: 1. as a rule, do not apply reverse power-supply voltages. 2. glass epoxy board: 95 mm x 60 mm x 0.7 mm, copper-occu pancy ratio in a 4-layer board: 15% in layers 1 and 4, 20% in layers 2 and 3. 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 va lue in usage with multiple channels simultaneously turned on. 6.5 6.5 item symbol vcc pd tstg rated value unit v 1250 remarks vm allowable power consumption power-supply voltage 1 thermal derating ratio k -10.0 mw mw/ topr ambient operating temperature storage temperature -25~85 -40~150 -0.5~vcc+0.5 applied input voltages vin v v see note 1 below. see note 1 below. see note 3 below. see note 2 below. ta = 25 ? c see note 2 below. ta ? 25? c tj max. junction temperature 150 ? 400 iod direct current (1ch~4ch) see note 4 below. dc ? 600 iop instantaneous output current (1ch~4ch) see note 4 below. pulse width < 10 ms, duty cycle ? 20% ma/ch ma/ch remark: the main component of power consumption by this ic is the power consumed by the output transistors on channels 1 to 4. expression for calculating power consumption by the output transistors pd (f/s) = (output current)2 x on resistance e.g. pd (fs) = (300ma) 2 x 1.5ohm=135mw when the ambient temperature is 25 ? c or more, refer to the above figure in selecting the required heat sink. power-supply voltage 2 ? c ? c ? c ? c thermal derating curve ambient operating temperature ta ( ? c) - 10.0 mw/ power consumption pd (mw) ? c 0 20 40 60 80 140 1500 500 1250 100 120 160 650 180 1000
page 3 of 3 r19ds0058ej0140 rev.1.40 may 10, 2012 r2a30406np pin functions ordering information 1500 pcs pvqn0024ka-a r2a30406np#w0 quantity package code orderable part no. control power supply vcc 24 channel 1 b output out1b 23 channel 2 power gnd pgnd 22 channel 2 b output out2b 21 motor power supply for channels 2 and 3 vm23 20 channel 3 b output out3b 19 channel 4 power gnd pgnd 18 channel 4 b output out4b 17 channels 4 enable terminal en4 16 channels 4 control input in4 15 channels 3 enable terminal en3 14 channels 3 control input in3 13 channels 2 enable terminal en2 12 channels 2 control input in2 11 channels 1 enable terminal en1 10 channels 1 control input in1 9 motor power supply for channels 4 vm4 8 channel 4 a output out4a 7 channel 3 power gnd pgnd 6 channel 3 a output out3a 5 channel 2 a output out2a 4 channel 1 power gnd pgnd 3 channel 1 a output out1a 2 motor power supply for channel 1 vm1 1 pin function pin name pin no.
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