Pioneer SX-SW404 Service Manual page 73

5
QQ
3 7 63 1515 0
Pin Function
No. Pin Name
1 GVDD_B
2 OTW
3,4 NC
5 SD
6 PWM_A
7 RESET_AB
8 PWM_B
9 OC_ADJ
10 GND
11 AGND
12 VREG
13 M3
14 M2
15 M1
16 PWM_C
17 RESET_CD
18 PWM_D
19,20 NC
21 VDD
22 GVDD_C
23 GVDD_D
24 BST_D
25 NC
26,27 PVDD_D
28 OUT_D
29 GND_D
TE
30 GND_C
L 13942296513
31 OUT_C
32 PVDD_C
33 BST_C
34 BST_B
35 PVDD_B
36 OUT_B
37 GND_B
38 GND_A
39 OUT_A
40,41 PVDD_A
42 NC
43 BST_A
44 GVDD_A
www
.
5
http://www.xiaoyu163.com
6
I/O
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
O Overtemperature warning signal, open-drain, active-low
−
No connect. Pins may be grounded.
O Shutdown signal, open-drain,active-low
Ι
Input signal for half-bridge A
Ι
Reset signal for half-bridge A and half-bridge B, active-low
Ι
Input signal for half-bridge B
Ο
Analog overcurrent programming pin requires resistor to ground
Ground
Analog ground
Digital regulator supply filter pin requires 0.1-µF capacitor to GND.
Ι
Mode selection pin
I Mode selection pin
I Mode selection pin
I Input signal for half-bridge C
I Reset signal for half-bridge A and half-bridge B, active-low
I Input signal for half-bridge D
−
No connect.Pins may be grounded.
Power supply for digital voltage regulator requires 0.1-µF capacicor to GND.
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
HS bootstrap (BST),external capacitor to OUT_D required
−
No connect.Pins may be grounded.
−
Power supply input for half-bridge D requires close decoupling of 0.1-µF capacitor to GND_D
Ο
Output,half-bridge D
Power ground for half-bridge D
Power ground for half-bridge C
Ο
Output,half-bridge C
Power supply input for half-bridge D requires close decoupling of 0.1-µF capacitor to GND_D
HS bootstrap supply (BST), external capacitor to OUT_C required
HS bootstrap supply (BST), external capacitor to OUT_B required
Power supply input for half-bridge B requires close decoupling of 0.1-µF capacitor to GND_B
Ο
Output, half-bridge B
Power ground for half-bridge B
Power ground for half-bridge A
Output, half-bridge A
Power supply input for half-bridge A requires close decoupling of 0.1-µF capacitor to GND_A
−
No connect.Pins may be grounded.
HS bootstrap supply (BST), external capacitor to OUT_A required
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Pin Function
Q Q
3 6 7 1 3 1 5
co
.
SX-SW404
7
8
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
A
B
C
9 9
D
E
F
73
8