DRV8812数据手册集成电路（IC）的电机驱动器控制器规格书PDF

描述 Description

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).

特性 Features

• 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)

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

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