DRV8711 - 具有片上 1/256 微步进分度器和失速检测的步进电机前置驱动器

DRV8711是TI德州仪器公司的一款步进栅极驱动器产品，DRV8711是具有片上 1/256 微步进分度器和失速检测的步进电机前置驱动器，本站介绍了DRV8711的封装应用图解、特点和优点、功能等，并给出了与DRV8711相关的TI元器件型号供参考。

DRV8711 - 具有片上 1/256 微步进分度器和失速检测的步进电机前置驱动器 - 步进栅极驱动器 - 步进驱动器 - 德州仪器

产品特性

Pulse Width Modulation (PWM) Microstepping Motor Driver
- Built-In 1/256-Step Microstepping Indexer
- Drives External N-Channel MOSFETs
- Optional STEP/DIR Pins
- Optional PWM Control Interface for DC Motors
Flexible Decay Modes, Including Automatic Mixed Decay Mode
Stall Detection With Optional BEMF Output
Highly Configurable SPI Serial Interface
Internal Reference and Torque DAC
8-V to 52-V Operating Supply Voltage Range
Scalable Output Current
Thermally Enhanced Surface-Mount Package
5-V Regulator Capable of 10-mA Load
Protection and Diagnostic Features
- Overcurrent Protection (OCP)
- Overtemperature Shutdown (OTS)
- Undervoltage Lockout (UVLO)
- Individual Fault Condition Indication Bits
- Fault Condition Indication Pin

产品应用

Office Automation Machines
Factory Automation
Textile Machines
Robotics

产品说明

The DRV8711 device is a stepper motor controller that uses external N-channel MOSFETs to drive a bipolar stepper motor or two brushed DC motors. A microstepping indexer is integrated, which is capable of step modes from full step to 1/256-step.

An ultra-smooth motion profile can be achieved using adaptive blanking time and various current decay modes, including an auto-mixed decay mode. Motor stall is reported with an optional back-EMF output.

A simple step/direction or PWM interface allows easy interfacing to controller circuits. A SPI serial interface is used to program the device operation. Output current (torque), step mode, decay mode, and stall detection functions are all programmable through a SPI serial interface.

Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature. Fault conditions are indicated through a FAULTn pin, and each fault condition is reported through a dedicated bit through SPI.

The DRV8711 is packaged in a PowerPAD™ 38-pin HTSSOP package with thermal pad (Eco-friendly: RoHS and no Sb/Br).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DRV8711	HTSSOP (38)	9.70 mm × 4.40 mm

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