DRV8844PWPR集成电路（IC）的电机驱动器控制器规格书PDF中文资料

DRV8844PWPR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DRV8844PWPR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

• Quad 1/2-H-Bridge DC Motor Driver

– Can Drive Four Solenoids, Two DC Motors,

One Stepper Motor, or Other Loads

– Full Individual Half Bridge Control

– Low MOSFET On-Resistance

• 2.5-A Maximum Drive Current at 24 V, 25°C

• Floating Input Buffers Allow Dual (Bipolar)

Supplies (up to ±30 V)

• Built-In 3.3-V, 10-mA LDO Regulator

• Industry Standard IN/IN Digital Control Interface

• 8-V to 60-V Operating Supply Voltage Range

• Outputs Can Be Connected in Parallel

• Thermally Enhanced Surface Mount Package

2 Applications

• Textile Machines

• Office Automation Machines

• Gaming Machines

• Factory Automation

• Robotics

3 Description

The DRV8844 provides four individually controllable

1/2-H-bridge drivers. It can be used to drive two DC

motors, one stepper motor, four solenoids, or other

loads. The output driver channel for each channel

consists of N-channel power MOSFET’s configured in

a 1/2-H-bridge configuration.

The DRV8844 can supply up to 2.5-A peak or 1.75-A

RMS output current per channel (with proper PCB

heatsinking at 24 V and 25°C) per H-bridge.

Separate inputs to independently control each 1/2-Hbridge

are provided. To allow operation with split

supplies, the logic inputs and nFAULT output are

referenced to a separate floating ground pin.

Internal shutdown functions are provided for over

current protection, short circuit protection,

undervoltage lockout, and overtemperature.

The DRV8844 is available in a 28-pin HTSSOP

package with PowerPAD™ (Eco-friendly: RoHS & no

Sb/Br).