Technical Note
10/30
BD5446EFV
www.rohm.com
2010.05 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
No.
Pin name
Pin voltage
Pin explanation
Internal equivalence circuit
28,29
VCCP2
Vcc
Power supply pin for ch2 PWM signal
31,32 OUT2P Vcc~0V
Output pin of ch2 positive PWM
Please connect to Output LPF.
33
BSP2P
－
Boot-strap pin of ch2 positive
Please connect the capacitor.
36,37
GNDP2
0V
GND pin for ch2 PWM signal
38,39 OUT2N Vcc~0V
Output pin of ch2 negative PWM
Please connect to Output LPF.
40 BSP2N
－
Boot-strap pin of ch2 negative
Please connect the capacitor.
42 BSP1N
－
Boot-strap pin of ch1 negative
Please connect the capacitor.
43,44 OUT1N Vcc~0V
Output pin of ch1 negative PWM
Please connect to Output LPF.
45,46
GNDP1
0V
GND pin for ch1 PWM signal
49 BSP1P
－
Boot-strap pin of ch1 positive
Please connect the capacitor.
50,51 OUT1P Vcc~0V
Output pin of ch1 positive PWM
Please connect to Output LPF.
53,54 VCCP1
－
Power supply pin for ch1 PWM signal
28,29
33
40
31,32
38,39
36,37
53,54
42
49
43,44
50,51
45,46
www.DataSheet4U.com
