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AMT49105 - Three-Phase MOSFET Driver

Datasheet Summary

Description

The AMT49105 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a three-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads such as BLDC motors.

Features

  • 3-phase bridge MOSFET driver.
  • Bootstrap gate drive for N-channel MOSFET bridge.
  • Cross-conduction protection with adjustable dead time.
  • Charge pump for low supply voltage operation.
  • Programmable gate drive voltage and strength.
  • 5.5 to 50 V supply voltage operating range.
  • Integrated logic supply.
  • Current sense amplifier with programmable gain and offset.
  • SPI-compatible serial interface.
  • Bridge control by dir.

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Datasheet preview – AMT49105

Datasheet Details

Part number AMT49105
Manufacturer Allegro
File Size 2.53 MB
Description Three-Phase MOSFET Driver
Datasheet download datasheet AMT49105 Datasheet
Additional preview pages of the AMT49105 datasheet.

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Full PDF Text Transcription

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AMT49105 2 - Three-Phase MOSFET Driver System IC FEATURES AND BENEFITS • 3-phase bridge MOSFET driver • Bootstrap gate drive for N-channel MOSFET bridge • Cross-conduction protection with adjustable dead time • Charge pump for low supply voltage operation • Programmable gate drive voltage and strength • 5.
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