Datasheet

Not Recommended for New Designs
DRV8402
SLES222 –FEBRUARY 2009 www.ti.com
Pin Functions
PIN
FUNCTION
(1)
DESCRIPTION
NAME DKD NO.
AGND 9 P Analog ground
BST_A 35 P High side bootstrap supply (BST), external capacitor to OUT_A required
BST_B 28 P High side bootstrap supply (BST), external capacitor to OUT_B required
BST_C 27 P High side bootstrap supply (BST), external capacitor to OUT_C
required
BST_D 20 P High side bootstrap supply (BST), external capacitor to OUT_D
required
GND 8 P Ground
GND_A 32 P Power ground for half-bridge A
GND_B 31 P Power ground for half-bridge B
GND_C 24 P Power ground for half-bridge C
GND_D 23 P Power ground for half-bridge D
GVDD_A 36 P Gate-drive voltage supply requires 0.1-μF capacitor to AGND
GVDD_B 1 P Gate-drive voltage supply requires 0.1-μF capacitor to AGND
GVDD_C 18 P Gate-drive voltage supply requires 0.1-μF capacitor to AGND
GVDD_D 19 P Gate-drive voltage supply requires 0.1-μF capacitor to AGND
M1 13 I Mode selection pin
M2 12 I Mode selection pin
M3 11 I Mode selection pin
OC_ADJ 7 O Analog overcurrent programming pin requires resistor to ground
OTW 2 O Overtemperature warning signal, open-drain, active-low
OUT_A 33 O Output, half-bridge A
OUT_B 30 O Output, half-bridge B
OUT_C 25 O Output, half-bridge C
OUT_D 22 O Output, half-bridge D
PVDD_A 34 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 29 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.
PVDD_C 26 P Power supply input for half-bridge C requires close decoupling of
0.01-μF capacitor in parallel with a 1.0-μF capacitor to GND_C.
PVDD_D 21 P Power supply input for half-bridge D requires close decoupling of
0.01-μF capacitor in parallel with a 1.0-μF capacitor to GND_D.
PWM_A 4 I Input signal for half-bridge A
PWM_B 6 I Input signal for half-bridge B
PWM_C 14 I Input signal for half-bridge C
PWM_D 16 I Input signal for half-bridge D
RESET_AB 5 I Reset signal for half-bridge A and half-bridge B, active-low
RESET_CD 15 I Reset signal for half-bridge C and half-bridge D, active-low
FAULT 3 O Fault signal, open-drain, active-low
VDD 17 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 10 P Digital regulator supply filter pin requires 0.1-μF capacitor to AGND.
(1) I = input, O = output, P = power
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