DRV8303集成电路（IC）的电机驱动器控制器规格书PDF中文资料

DRV8303属于集成电路（IC）的电机驱动器控制器。由德州仪器制造生产的DRV8303电机驱动器，控制器产品属于电机驱动器和控制器电源管理集成电路 (PMIC) 系列，可用于控制或操作从某电源施加到电机或相关机电执行器的电源。所实现的具体功能和特性集根据预期负载和预期应用的特性有很大差异，范围从用于有刷电机的简单开环速度控制到基于步进电机的高级闭环运动控制。

1 Features

1• 6-V to 60-V Operating Supply Voltage Range

• 1.7-A Source and 2.3-A Sink Gate Drive Current

Capability

• Slew Rate Control for EMI Reduction

• Bootstrap Gate Driver With 100% Duty Cycle

Support

• 6 or 3 PWM Input Modes

• Dual Integrated Current-Shunt Amplifiers With

Adjustable Gain and Offset

• 3.3-V and 5-V Interface Support

• Serial Peripheral Interface (SPI)

• Protection Features:

– Programmable Dead Time Control (DTC)

– Programmable Overcurrent Protection (OCP)

– PVDD and GVDD Undervoltage Lockout

(UVLO)

– GVDD Overvoltage Lockout (OVLO)

– Overtemperature Warning/Shutdown

(OTW/OTS)

– Reported through nFAULT, nOCTW, and SPI

Registers

2 Applications

• 3-Phase BLDC and PMSM Motors

• CPAP and Pump

• E-Bikes

• Power Tools

• Robotics and RC Toys

• Industrial Automation

3 Description

The DRV8303 is a gate driver IC for three-phase

motor-drive applications. The device provides three

half bridge drivers, each capable of driving two Nchannel

MOSFETs. The device supports up to 1.7-A

source and 2.3-A peak current capability. The

DRV8303 can operate off of a single power supply

with a wide range from 6-V to 60-V. It uses a

bootstrap gate-driver architecture with trickle charge

circuitry to support 100% duty cycle. The DRV8303

uses automatic hand shaking when the high-side or

low-side MOSFET is switching to prevent current

shoot through. Integrated VDS sensing of the highside

and low-side MOSFETs is used to protect the

external power stage against overcurrent conditions.

The DRV8303 includes two current-shunt amplifiers

for accurate current measurement. The amplifiers

support bi-directional current sensing and provide and

adjustable output offset up to 3 V.

The serial peripheral interface (SPI) provides detailed

fault reporting and flexible parameter settings such as

gain options for the current-shunt amplifiers and slewrate

control of the gate drivers.