BD5446EFV_101 Datasheet, PDF (7/31 Pages) Rohm – Class-D Speaker Amplifier for Digital Input

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