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DRV8251 - 4.1-A Brushed DC Motor Driver

Description

The DRV8251 device is an integrated motor driver with N-channel H-bridge, charge pump, current regulation, and protection circuitry.

The charge pump improves efficiency by supporting N-channel MOSFET half bridges and 100% duty cycle driving.

Features

  • N-channel H-bridge brushed DC motor driver.
  • 4.5-V to 48-V operating supply voltage range.
  • Pin-to-pin, RDS(on), voltage, and current sense/ regulation variants (external shunt resistor and integrated current mirror).
  • DRV8870: 6.5-V to 45-V, 565-mΩ, shunt.
  • DRV8251: 4.5-V to 48-V, 450-mΩ, shunt.
  • DRV8251A: 4.5-V to 48-V, 450-mΩ, mirror.
  • DRV8231: 4.5-V to 33-V, 600-mΩ, shunt.
  • DRV8231A: 4.5-V to 33-V, 600-mΩ, mirror.
  • Hig.

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Datasheet preview – DRV8251

Datasheet Details

Part number DRV8251
Manufacturer Texas Instruments
File Size 3.07 MB
Description 4.1-A Brushed DC Motor Driver
Datasheet download datasheet DRV8251 Datasheet
Additional preview pages of the DRV8251 datasheet.

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Full PDF Text Transcription

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DRV8251 SLVSFZ6 – DECEMBER 2021 DRV8251 4.1-A Brushed DC Motor Driver with Integrated Current Regulation 1 Features • N-channel H-bridge brushed DC motor driver • 4.5-V to 48-V operating supply voltage range • Pin-to-pin, RDS(on), voltage, and current sense/ regulation variants (external shunt resistor and integrated current mirror) – DRV8870: 6.5-V to 45-V, 565-mΩ, shunt – DRV8251: 4.5-V to 48-V, 450-mΩ, shunt – DRV8251A: 4.5-V to 48-V, 450-mΩ, mirror – DRV8231: 4.5-V to 33-V, 600-mΩ, shunt – DRV8231A: 4.5-V to 33-V, 600-mΩ, mirror • High output current capability: 4.1-A Peak • PWM control interface • Supports 1.8-V, 3.
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