ACT72350 datasheet(77/97 Pages) QORVO

77 / 97 page

ACT72350 Data Sheet

160V 3 Phase BLDC Motor Driver

Data Sheet v1.1, 2025-02-17

Subject to change without notice

77 of 97

www.qorvo.com

13 APPLICATION SPECIFIC POWER DRIVERS

(ASPD)

13.1

Features

▪ 3 low-side and 3 high-side gate drivers

▪ 2A sink/source gate driving capability

▪ Configurable propagation delays

▪ Fast fault protection

▪ Cycle-by-cycle current limit function

▪ Configurable driver break-before-make (BBM) safety function

13.2

Block Diagram

Figure 13-1 Application Specific Power Drivers

APPLICATION SPECIFIC POWER DRIVERS

HIGH-SIDE GATE DRIVERS

PRE-

DRIVER

DRHx

DRSx

DRBx

DELAY

LEVEL

SHIFT

BBM

LOW-SIDE GATE DRIVERS

PRE-

DRIVER

DRLx

DELAY

BBM

PWMLx

PWMHx

nBRAKE

FAULT

PROTECT &

CURRENT

LI MI T

BRAKE

13.3

Functional Description

The Application Specific Power Drivers (ASPD, Figure 13-1) module handles power driving for power and

motor control applications. The ASPD contains three low-side gate drivers (DRLx), three high-side gate

drivers (DRHx). Each gate driver can drive an external MOSFET or IGBT switch in response to high-

speed control signals from the microcontroller ports, and a pair of high-side and low-side gate drivers can

form a half-bridge driver.

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