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MS3988N - quad DMOS full-bridge driver

Download the MS3988N datasheet PDF (MS3988 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for quad dmos full-bridge driver.

Description

Pin NO.

Features

  • include thermal shutdown with hysteresis, undervoltage lockout (UVLO) and crossover current protection. Special power up sequencing is not required. The MS3988/MS3988N is supplied in two packages QFN36，TQFP48,with exposed power tabs for enhanced thermal performance. Featues and benifits：.
  • 36 V output rating.
  • 4 full bridges.
  • High current outputs.
  • 3.3 and 5 V compatible logic supply.
  • Synchronous rectification.
  • UVLO protection.
  • Thermal shutdown circuitry.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MS3988-Ruimeng.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MS3988N
Manufacturer Ruimeng
File Size 0.96 MB
Description quad DMOS full-bridge driver
Datasheet download datasheet MS3988N Datasheet

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Full PDF Text Transcription

Click to expand full text
MS3988/MS3988N Function and Feature The MS3988/MS3988N is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four dc motors. Eachfull-bridge output is rated up to 1.2 A and 36 V. The MS3988/MS3988N includes fixed off-time pulse width modulation (PWM) current regulators, along with 2- bit nonlinear DACs (digital-to-analog converters) that allow stepper motors to be controlled in full,half, and quarter steps, and dc motors in forward, reverse, and coast modes. The PWM current regulator uses mixed decay mode for reduced audible motor noise, increased step accuracy, and reduced power dissipation. Internal synchronous rectification control circuitry is provided to improve power dissipation during PWM operation.
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