LMD18201

ACTIVE

3-Amp, 55 Volt H-Bridge

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Product details

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Features

  • Delivers up to 3A Continuous Output
  • Operates at Supply Voltages up to 55V
  • Low RDS(ON) Typically 0.33Ω per Switch at 3A
  • TTL and CMOS Compatible Inputs
  • No “Shoot-Through” Current
  • Thermal Warning Flag Output at 145°C
  • Thermal Shutdown (Outputs Off) at 170°C
  • Internal Clamp Diodes
  • Shorted Load Protection
  • Internal Charge Pump with External Bootstrap Capability

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Description

The LMD18201 is a 3A H-Bridge designed for motion control applications. The device is built using a multi-technology process which combines bipolar and CMOS control circuitry with DMOS power devices on the same monolithic structure. The H-Bridge configuration is ideal for driving DC and stepper motors. The LMD18201 accommodates peak output currents up to 6A. Current sensing can be achieved via a small sense resistor connected in series with the power ground lead. For current sensing without disturbing the path of current to the load, the LMD18200 is recommended.

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Technical documentation

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Type Title Date
* Datasheet LMD18201 3A, 55V H-Bridge datasheet (Rev. D) Apr. 09, 2013
White paper How smart tune regulates current in stepper motors (Rev. A) Mar. 19, 2019
Technical articles Why are you still driving automotive motors with relays? Jul. 13, 2017
Technical articles The story of motor-drive integration Jan. 09, 2017
Technical articles How to create a dynamic power solution for stepper motors, relays and LEDs Nov. 01, 2016
Technical articles How to avoid motor and system overvoltage using AVS technology without external components Oct. 14, 2016

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