DRV8701E Brushed DC Motor Full-Bridge Gate Driver IC

DRV8701E Brushed DC Motor Full-Bridge Gate Driver is a highly integrated gate driver IC designed for controlling external N-channel MOSFETs in full H-bridge or half-bridge configurations. It provides adjustable current regulation, protection features, and flexible PWM control for efficient brushed DC motor driving. Ideal for industrial automation, robotics, and motion control systems.

Key Features:

• Full-Bridge Gate Driver: Controls four external N-channel MOSFETs
• Adjustable Current Regulation: Configurable with external sense resistors
• Protection Features: Includes OCP, UVLO, thermal shutdown, and shoot-through prevention
• PWM Control: Supports direct and PWM mode operation for versatile motor control
• Built-In Charge Pump: Drives high-side MOSFETs with low supply voltage

Technical Specifications:

• Operating Voltage Range: 5.9V to 45V
• Gate Drive Current: 1.7A peak source/sink
• Logic Input Voltage: 3.3V / 5V compatible
• Current Regulation: Programmable via external components
• Standby Current: ~8µA (typ)

Mechanical Specifications:

• Package Type: HTSSOP (Exposed Pad)
• Thermal Pad: Integrated PowerPAD™ for heat dissipation
• Mounting: Surface-mount (SMT)

Dimensions:

• Body Size: 4.4mm × 6.4mm
• Pin Pitch: 0.65mm
• Pin Count: 16 (HTSSOP-16)

Pinout and Wiring:

• IN1, IN2: Logic inputs for direction control
• OUT1, OUT2: Connects to external H-bridge MOSFETs
• SENSE: Current sense feedback input
• VCP, VM: Charge pump and motor supply input
• FAULT: Open-drain fault output pin

Datasheet Reference:

• DRV8701E datasheet

Applications:

• Robotics: Precise DC motor control for robotic arms and mobile platforms
• Industrial Automation: Used in conveyors, actuators, and machinery control
• 3D Printers & CNC: Drives toolheads or extruders with external FETs
• Smart Appliances: Efficient brushed DC motor operation in smart fans or pumps

Equivalent Models:

• TI DRV8701P: Same as DRV8701E but with PH/EN interface
• Texas Instruments DRV8703-Q1: Automotive-grade variant with SPI interface
• Infineon BTN8962TA: Integrated half-bridge smart driver alternative
• Allegro A4950: Full H-bridge MOSFET driver for lower current applications

Package Includes:

• 1 x DRV8701E Full-Bridge Gate Driver IC (24-Pin VQFN)