DRV8303EVM Datasheet, PDF (4/29 Pages) Texas Instruments – THREE PHASE PRE-DRIVER WITH DUAL CURRENT SHUNT AMPLIFIERS

DRV8303
SLOS846A – SEPTEMBER 2013 – REVISED OCTOBER 2013
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PIN FUNCTIONS (continued)
PIN
NAME
NO.
GH_B
38
BST_B
39
SL_A
40
GL_A
41
SH_A
42
GH_A
43
BST_A
44
VDD_SPI
45
GND
46, 47,
(POWER PAD) 48, 49
I/O ⁽¹⁾
DESCRIPTION
O Gate drive output for High-Side MOSFET, half-bridge B
P Bootstrap cap pin for half-bridge B
I Low-Side MOSFET source connection, half-bridge A. Low-side V_DS measured between this pin and
SH_A.
O Gate drive output for Low-Side MOSFET, half-bridge A
I High-Side MOSFET source connection, half-bridge A. High-side V_DS measured between this pin and
PVDD.
O Gate drive output for High-Side MOSFET, half-bridge A
P Bootstrap cap pin for half-bridge A
I SPI supply pin to support 3.3V or 5V logic. Connect to either 3.3V or 5V.
O GND pin. The exposed power pad must be electrically connected to ground plane through soldering to
PCB for proper operation and connected to bottom side of PCB through vias for better thermal
spreading.
4
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