Technical Note
7/30
BD5446EFV
www.rohm.com
2010.05 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
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Pin function explanation (Provided pin voltages are typ. Values)
No.
Pin name
Pin voltage
Pin explanation
Internal equivalence circuit
1
27
REG_G1
REG_G2
5.5V
Internal power supply pin for ch1 Gate driver
Internal power supply pin for ch2 Gate driver
Please connect the capacitor.
2
FILP 1.75V~2.55V
Bias pin for PWM signal
Please connect the capacitor.
3
PLMT
0V
Power limiter setting terminal
4
FILA 2.5V
Bias pin for Analog signal
Please connect the capacitor.
5
REG3 3.3V
Internal power supply pin for Digital circuit
Please connect the capacitor.
6
GNDA
0V
GND pin for Analog signal
－
25
2
6
400K
25
3
6
27
4
6
50K
50K
25
5
6
500K
1
27
550K
53,54
28,29
45,46
36,37
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