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A4933 - Automotive 3-Phase MOSFET Driver

General Description

The A4933 is a 3-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.

Key Features

  • High current 3-phase gate drive for large N-channel MOSFETs.
  • Pin compatible with Allegro A4935KJP.
  • Cross-conduction protection with adjustable dead time.
  • Top-off charge pump for 100% PWM.
  • Charge pump for low supply voltage operation.
  • Uncommitted current sense amplifier.
  • 5.5 to 50 V supply voltage range.
  • Compatible with 3.3 V and 5 V logic.
  • Extensive diagnostic outputs.
  • Low-current sleep mode.

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Other Datasheets by Allegro MicroSystems

Part Number Description
A4935 Automotive 3-Phase MOSFET Driver
A4937 Automotive 3-Phase MOSFET Driver
A4938 3-Phase Brushless DC Motor Pre-Driver
A4939 Automotive Three Phase MOSFET Driver
A4900 High Voltage Three Phase Gate Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A4933 Automotive 3-Phase MOSFET Driver FEATURES AND BENEFITS ▪ High current 3-phase gate drive for large N-channel MOSFETs ▪ Pin compatible with Allegro A4935KJP ▪ Cross-conduction protection with adjustable dead time ▪ Top-off charge pump for 100% PWM ▪ Charge pump for low supply voltage operation ▪ Uncommitted current sense amplifier ▪ 5.5 to 50 V supply voltage range ▪ Compatible with 3.3 V and 5 V logic ▪ Extensive diagnostic outputs ▪ Low-current sleep mode PACKAGE: 48-pin LQFP with exposed thermal pad (suffix JP) Not to scale DESCRIPTION The A4933 is a 3-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.