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DRV8412
DRV8432
www.ti.com
SLES242C –DECEMBER 2009–REVISED MAY 2010
PIN
DESCRIPTION
NAME DRV8412 DRV8432 FUNCTION
(1)
M2 9 12 I Mode selection pin
M3 10 11 I Reserved mode selection pin, AGND connection is recommended
NC 3,4,19,20,25,42 – – No connection pin. Ground connection is recommended
OC_ADJ 14 7 O Analog overcurrent programming pin, requires resistor to AGND
OTW 21 2 O Overtemperature warning signal, open-drain, active-low. An internal pull-up resistor
to VREG (3.3 V) is provided on output. Level compliance for 5-V logic can be
obtained by adding external pull-up resistor to 5 V
OUT_A 28 33 O Output, half-bridge A
OUT_B 31 30 O Output, half-bridge B
OUT_C 36 25 O Output, half-bridge C
OUT_D 39 22 O Output, half-bridge D
PVDD_A 26,27 34 P Power supply input for half-bridge A requires close decoupling capacitor to ground.
PVDD_B 32 29 P Power supply input for half-bridge B requires close decoupling capacitor to gound.
PVDD_C 35 26 P Power supply input for half-bridge C requires close decoupling capacitor to ground.
PVDD_D 40,41 21 P Power supply input for half-bridge D requires close decoupling capacitor to ground.
PWM_A 17 4 I Input signal for half-bridge A
PWM_B 15 6 I Input signal for half-bridge B
PWM_C 7 14 I Input signal for half-bridge C
PWM_D 5 16 I Input signal for half-bridge D
RESET_AB 16 5 I Reset signal for half-bridge A and half-bridge B, active-low
RESET_CD 6 15 I Reset signal for half-bridge C and half-bridge D, active-low
FAULT 18 3 O Fault signal, open-drain, active-low. An internal pull-up resistor to VREG (3.3 V) is
provided on output. Level compliance for 5-V logic can be obtained by adding
external pull-up resistor to 5 V
VDD 2 17 P Power supply for digital voltage regulator requires capacitor to ground for
decoupling.
VREG 11 10 P Digital regulator supply filter pin requires 0.1-mF capacitor to AGND.
THERMAL PAD - N/A T Solder the exposed thermal pad to the landing pad on the pcb. Connect landing
pad to bottom side of pcb through via for better thermal dissipation.
HEAT SLUG N/A - T Mount heat sink with thermal interface on top of the heat slug for best thermal
performance.
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