AGND |
11 |
P |
Analog ground |
BST_A |
34 |
P |
HS bootstrap supply (BST),
external .033-μF capacitor to OUT_A
required |
BST_B |
33 |
P |
HS bootstrap supply (BST),
external .033-μF capacitor to OUT_B
required |
GND |
6, 10, 14, 18, 28, 29, 38,
39 |
P |
Ground. |
GND_A |
37 |
P |
Power ground for half-bridge
A |
GND_B |
30 |
P |
Power ground for half-bridge
B |
GVDD_A |
1, 44 |
P |
Gate-drive voltage supply
requires 0.1-μF capacitor to AGND |
GVDD_B |
22, 23 |
P |
Gate-drive voltage supply
requires 0.1-μF capacitor to AGND |
NC |
3, 4, 19, 20, 24, 25, 26,
27, 40, 41, 42, 43 |
— |
Do not connect. |
OC_ADJ |
9 |
O |
Analog overcurrent programming
pin requires resistor to ground |
OTW |
2 |
O |
Overtemperature warning
signal, open-drain, active-low |
OUT_A |
36 |
O |
Output, half-bridge A |
OUT_B |
31 |
O |
Output, half-bridge B |
PVDD_A |
35 |
P |
Power supply input for
half-bridge A requires close decoupling of 0.01-μF
capacitor in parallel with a 1.0-μF capacitor to
GND_A. |
PVDD_B |
32 |
P |
Power supply input for
half-bridge B requires close decoupling of 0.01-μF
capacitor in parallel with a 1.0-μF capacitor to
GND_B. |
PWM_A |
8 |
I |
Input signal for half-bridge
A |
PWM_B |
16 |
I |
Input signal for half-bridge
B |
RESET |
7, 17 |
I |
Reset signal for half-bridge A
and B, active-low |
SD |
5 |
O |
Shutdown signal, open-drain,
active-low |
VDD |
21 |
P |
Power supply for digital
voltage regulator requires a 47-μF capacitor in
parallel with a 0.1-μF capacitor to GND for
decoupling. |
VREG |
12, 13, 15 |
P |
Digital regulator supply
filter pin requires 0.1-μF capacitor to
AGND. |