Sony HCD-BC150 Service Manual page 141

• AMP BOARD IC101 to IC106 CXD9774M (POWER DRIVER)
Pin No. Pin Name
1 GND
2 PWM_BP
3 GND
4 RESET
5 DREG_RTN
6 GREG
7 M3
8 DREG_RTN
9 DGND
10 M1
11 M2
12 DVDD
13 SD
14 RESV
15 OTW
16 GND
17 PWM_AP
18 GND
19 GREG
20 GVDD
21 PVSS
22 BST_A
23 PVDD_A
24 PVDD_A
25 OUT_A
26 OUT_A
27 PVSS
28 PVSS
29 OUT_B
30 OUT_B
31 PVDD_B
32 PVDD_B
33 BST_B
34 PVSS
35 GVDD_B
36 GREG
I/O
— Power ground
I PWM input signal, half-bridge B
— Power ground
I Reset signal
— Decoupling return pin
— Local GVDD decoupling pin
I Output mode selection pin; connect to ground
— Digital supply voltage regulator decoupling pin
— I/O reference ground
I Protection mode selection pin
I Protection mode selection pin
— I/O reference supply input
O Shutdown signal for half-bridges A and B
— I/O reference ground
O Overtemperature warning output
— Power ground
I PWM input signal, half-bridge A
— Power ground
— Gate drive input voltage
— Gate drive input voltage
— Power ground
High side bootstrap supply (BST), external resistor and capacitor to OUT_A
—
required
— Power supply input for half-bridge A
— Power supply input for half-bridge A
O Output, half-bridge A
O Output, half-bridge A
— Power ground
— Power ground
O Output, half-bridge B
O Output, half-bridge B
— Power supply input for half-bridge B
— Power supply input for half-bridge B
High side bootstrap supply (BST), external resistor and capacitor to OUT_B
—
required
— Power ground
— Gate drive input voltage
— Gate drive input voltage
HCD-BC150/BC250
Description
69