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Home » NEWEST Products » New by Manufacturer » Texas Instruments » DRV8839 Dual Half-Bridge Driver - TI
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Texas Instruments DRV8839 Dual Half-Bridge Driver
Texas Instruments DRV8839 Dual Half-Bridge Driver

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TI DRV8839 Dual Half-Bridge Driver

Texas Instruments DRV8839 1.8A Low Voltage Dual Half-Bridge Driver with Individual Control Interface provides a versatile power driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered applications. This TI device has two independent ½-H-bridge drivers and can drive one DC motor or one winding of a stepper motor, as well as other devices like solenoids. The output stages use N-channel power MOSFETs configured as ½-H-bridges. An internal charge pump generates needed gate drive voltages. DRV8839 can supply up to 1.8A of output current. It operates on a motor power supply voltage from 1.8V to 11V and a device power supply voltage of 1.8V to 7V.

DRV8839EVM is a complete solution for evaluating the DRV8839 low voltage brushed DC motor driver. It includes an MSP430 microcontroller that is pre-programmed to take input from two dedicated analog potentiometers, for PWM speed control of two motors.

Features
  • Dual ½-H-Bridge Motor Driver
    • Drives a DC Motor or One Winding of a Stepper Motor, or Other Loads
    • Low MOSFET On-Resistance: HS + LS 280mΩ
  • 1.8A Maximum Drive Current
  • 1.8V to 11V Motor Operating Supply Voltage Range
  • Separate Motor and Logic Supply Pins
  • Individual ½-H-Bridge Control Input Interface
  • Low-Power Sleep Mode With 120nA Maximum Combined Supply Current
Applications
  • Battery-Powered:
    • DSLR Lenses
    • Consumer Products
    • Toys
    • Robotics
    • Cameras
    • Medical Devices

Functional Block Diagram

Functional Block Diagram
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  • Texas Instruments
  • Semiconductors|Integrated Circuits|Driver ICs