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A4937 - Automotive 3-Phase MOSFET Driver

General Description

The A4937 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 N-channel MOSFETs.
  • SPI compatible serial control.
  • Cross-conduction protection.
  • Programmable dead time.
  • 5.5 to 50 V supply voltage range.
  • TTL inputs compatible with 3.3 V and 5 V logic.
  • Extensive diagnostics output.
  • Low current sleep mode.

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Other Datasheets by Allegro MicroSystems

Part Number Description
A4933 Automotive 3-Phase MOSFET Driver
A4935 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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A4937 Automotive 3-Phase MOSFET Driver FEATURES AND BENEFITS • High current 3-phase gate drive for N-channel MOSFETs • SPI compatible serial control • Cross-conduction protection • Programmable dead time • 5.5 to 50 V supply voltage range • TTL inputs compatible with 3.3 V and 5 V logic • Extensive diagnostics output • Low current sleep mode APPLICATIONS • Electronic power steering (EPS, EHPS, EAS) • Hydraulic pumps • Engine cooling fan • Gearbox actuator PACKAGE: 28-PIN TSSOP WITH EXPOSED THERMAL PAD (SUFFIX LP) Not to scale DESCRIPTION The A4937 is a 3-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.