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A4939 - Automotive Three Phase MOSFET Driver

Description

The A4939 is a three-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.

Features

  • High current 3-phase gate drive for N-channel MOSFETs.
  • Cross-conduction protection.
  • 5.5 to 50 V supply voltage range.
  • Regulated logic supply voltage output option.
  • Motor phase short to supply and short to ground detection.
  • Undervoltage, overtemperature monitors.
  • Low current Sleep mode option.

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Datasheet Details

Part number A4939
Manufacturer Allegro
File Size 1.00 MB
Description Automotive Three Phase MOSFET Driver
Datasheet download datasheet A4939 Datasheet

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Other Datasheets by Allegro

Part Number Description
A4933 Automotive 3-Phase MOSFET Driver
A4935 Automotive 3-Phase MOSFET Driver
A4937 Automotive 3-Phase MOSFET Driver
A4938 3-Phase Brushless DC Motor Pre-Driver
A4900 High Voltage Three Phase Gate Driver

Full PDF Text Transcription

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A4939 Automotive Three Phase MOSFET Driver FEATURES AND BENEFITS • High current 3-phase gate drive for N-channel MOSFETs • Cross-conduction protection • 5.5 to 50 V supply voltage range • Regulated logic supply voltage output option • Motor phase short to supply and short to ground detection • Undervoltage, overtemperature monitors • Low current Sleep mode option APPLICATIONS • Electronic power steering (EPS, EHPS, EAS) • Hydraulic pumps • Engine cooling fan • Gearbox actuator PACKAGES Not to scale 28-pin TSSOP with exposed thermal pad (LP package) 28-contact QFN 5 mm × 5 mm × 0.85 mm (ET package) DESCRIPTION The A4939 is a three-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.
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