Data Sheet

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Terminal Functions
TAS5142
SLES126B – DECEMBER 2004 – REVISED MAY 2005
TERMINAL
FUNCTION
(1)
DESCRIPTION
NAME DKD NO. DDV NO.
AGND 9 11 P Analog ground
BST_A 35 43 P HS bootstrap supply (BST), external capacitor to OUT_A required
BST_B 28 34 P HS bootstrap supply (BST), external capacitor to OUT_B required
BST_C 27 33 P HS bootstrap supply (BST), external capacitor to OUT_C required
BST_D 20 24 P HS bootstrap supply (BST), external capacitor to OUT_D required
GND 8 10 P Ground
GND_A 32 38 P Power ground for half-bridge A
GND_B 31 37 P Power ground for half-bridge B
GND_C 24 30 P Power ground for half-bridge C
GND_D 23 29 P Power ground for half-bridge D
GVDD_A 36 44 P Gate-drive voltage supply requires 0.1- µ F capacitor to AGND
GVDD_B 1 1 P Gate-drive voltage supply requires 0.1- µ F capacitor to AGND
GVDD_C 18 22 P Gate-drive voltage supply requires 0.1- µ F capacitor to AGND
GVDD_D 19 23 P Gate-drive voltage supply requires 0.1- µ F capacitor to AGND
M1 13 15 I Mode selection pin
M2 12 14 I Mode selection pin
M3 11 13 I Mode selection pin
NC – 3, 4, 19, 20, 25, – No connect. Pins may be grounded.
42
OC_ADJ 7 9 O Analog overcurrent programming pin requires resistor to ground
OTW 2 2 O Overtemperature warning signal, open-drain, active-low
OUT_A 33 39 O Output, half-bridge A
OUT_B 30 36 O Output, half-bridge B
OUT_C 25 31 O Output, half-bridge C
OUT_D 22 28 O Output, half-bridge D
PVDD_A 34 40, 41 P Power supply input for half-bridge A requires close decoupling of
0.1- µ F capacitor to GND_A.
PVDD_B 29 35 P Power supply input for half-bridge B requires close decoupling of
0.1- µ F capacitor to GND_B.
PVDD_C 26 32 P Power supply input for half-bridge C requires close decoupling of
0.1- µ F capacitor to GND_C.
PVDD_D 21 26, 27 P Power supply input for half-bridge D requires close decoupling of
0.1- µ F capacitor to GND_D.
PWM_A 4 6 I Input signal for half-bridge A
PWM_B 6 8 I Input signal for half-bridge B
PWM_C 14 16 I Input signal for half-bridge C
PWM_D 16 18 I Input signal for half-bridge D
RESET_AB 5 7 I Reset signal for half-bridge A and half-bridge B, active-low
RESET_CD 15 17 I Reset signal for half-bridge C and half-bridge D, active-low
SD 3 5 O Shutdown signal, open-drain, active-low
VDD 17 21 P Power supply for digital voltage regulator requires 0.1- µ F capacitor
to GND.
VREG 10 12 P Digital regulator supply filter pin requires 0.1- µ F capacitor to AGND.
(1) I = input, O = output, P = power
5