BD5423AEFS Datasheet, PDF (10/18 Pages) Rohm – 17W+17W Class-D Speaker Amplifier for Analog Input

BD5423AEFS
●Explanation of Pin Functions (continued)
No.
Symbol Pin voltage
Pin description
6
BSP1P
-
ch1 positive bootstrap pin
Connect a capacitor.
7, 8
VCCP1P
Vcc ch1 positive power system power supply pin
9, 10
OUT1P
Vcc～0V
ch1 positive PWM signal output pin
Connect with output LPF.
11, 12 GNDP1
0V ch1 power system GND pin
13, 14
OUT1N
Vcc～0V
ch1 negative PWM signal output pin
Connect with output LPF.
Technical Note
Internal equalizing circuit
15, 16 VCCP1N
Vcc ch1 negative power system power supply pin
17
BSP1N
-
ch1 negative bootstrap pin
Connect a capacitor.
Warning output pin
18
WARNING
H: 5V
L: 0V
Pin to notify operation warning.
H: Under warning
L: Normal operation
Connect a resister.
Error output pin
19
ERROR
H: 5V
L: 0V
A pin for notifying operation errors.
H: Error
L: Normal operation
Connect a resister.
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10/17
2009.06 - Rev.A