Datasheet

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SLES127A − FEBRUARY 2005 − REVISED NOVEMBER 2005
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4
Terminal Functions
TERMINAL
FUNCTION
(1)
DESCRIPTION
NAME NO.
FUNCTION
(1)
DESCRIPTION
AGND 9 P Analog ground
BST_A 35 P HS bootstrap supply (BST), external capacitor to OUT_A required
BST_B 28 P HS bootstrap supply (BST), external capacitor to OUT_B required
BST_C 27 P HS bootstrap supply (BST), external capacitor to OUT_C required
BST_D 20 P HS 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 0.1-µF capacitor to
GND_A
PVDD_B 29 P Power-supply input for half-bridge B requires close decoupling of 0.1-µF capacitor to
GND_B
PVDD_C 26 P Power-supply input for half-bridge C requires close decoupling of 0.1-µF capacitor to
GND_C
PVDD_D 21 P Power-supply input for half-bridge D requires close decoupling of 0.1-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
SD 3 O Shutdown signal, open drain, active-low
VDD 17 P Power supply for digital voltage regulator requires 0.1-µF capacitor to GND.
VREG 10 P Digital regulator supply filter pin requires 0.1-µF capacitor to AGND
(1)
I = input, O = Output, P = Power