DRV8812 - 具有 4 级电流调节的 1.6A 双极步进电机驱动器（PH/EN 控制器）

DRV8812是TI德州仪器公司的一款集成FET的步进栅极驱动器产品，DRV8812是具有 4 级电流调节的 1.6A 双极步进电机驱动器（PH/EN 控制器），本站介绍了DRV8812的封装应用图解、特点和优点、功能等，并给出了与DRV8812相关的TI元器件型号供参考。

DRV8812 - 具有 4 级电流调节的 1.6A 双极步进电机驱动器（PH/EN 控制器） - 集成FET的步进栅极驱动器 - 步进驱动器 - 德州仪器

产品特性

8.2-V to 45-V Operating Supply Voltage Range
1.6-A Maximum Drive Current at 24 V and TA = 25°C
Dual H-Bridge Current Control Motor Driver
- Drive a Bipolar Stepper or Two DC Motors
- Four Level Winding Current Control
Multiple Decay Modes
- Mixed Decay
- Slow Decay
- Fast Decay
Industry Standard Parallel Digital Control Interface
Low Current Sleep Mode
Built In 3.3-V Reference Output Small Package and Footprint
Protection Features
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- VM Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)

产品应用

Automatic Teller Machines
Money Handling Machines
Video Security Cameras
Printers
Scanners
Office Automation Machines
Gaming Machines
Factory Automation
Robotics

产品说明

The DRV8812 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, and can drive a bipolar stepper motor or two DC motors. The output driver block for each consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8812 is capable of driving up to 1.6-A of output current (with proper heatsinking, at 24 V and 25°C).

A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable.

Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature.

The DRV8812 is available in a 28-pin HTSSOP package with PowerPAD™ and in a 28-pin QFN package PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DRV8812	HTSSOP (28)	9.70 mm x 4.40 mm
DRV8812	VQFN (28)	5.00 mm x 5.00 mm

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