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2011.2 - Rev.D
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2009 ROHM Co., Ltd. All rights reserved.
H-bridge Drivers for Brush Motors
H-bridge Drivers
(VREF Series)
BD621□Series,BD622□Series,BD623□Series
●Description
These H-bridge drivers are full bridge drivers for brush motor applications. Each IC can operate at a wide range of
power-supply voltages (from 3V to 36V), supporting output currents of up to 2A. MOS transistors in the output stage allow
for PWM signal control, while the integrated VREF voltage control function of previous models offers direct replacement of
deprecated motor driver ICs. These highly efficient H-bridge driver ICs facilitate low-power consumption design.
●Contents
1) Block diagrams
2
2) Control input pins
3
3) Reference voltage (VREF) input pin 3
4) Power supply and ground pin
3
5) Driver outputs
4
6) Heat sink fin 4
7) Thermal design
5
8) Thermal derating curve and transient thermal resistance
6
9) A.S.O. curve 7
10) Application circuit examples
8
11) Evaluation board
10
●Line up matrix
Rating voltage Channels
Maximum output current
0.5A 1.0A 2.0A
7V 1ch
BD6210
HFP / F
BD6211
HFP / F
BD6212
HFP / FP
18V
1ch BD6220F BD6221F
BD6222
HFP / FP
2ch BD6225FP BD6226FP
36V
1ch BD6230F
BD6231
HFP / F
BD6232
HFP / FP
2ch
BD6236
FP / FM
BD6237FM
*Packages; F:SOP8, HFP:HRP7, FP:HSOP25, FM:HSOP-M28
No.11007EDY01
