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A4935 - Automotive 3-Phase MOSFET Driver

Description

The A4935 is a 3-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 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.

📥 Download Datasheet

Datasheet Details

Part number A4935
Manufacturer Allegro
File Size 1.01 MB
Description Automotive 3-Phase MOSFET Driver
Datasheet download datasheet A4935 Datasheet

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Other Datasheets by Allegro

Part Number Description
A4933 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.

View original datasheet text
A4935 Automotive 3-Phase MOSFET Driver FEATURES AND BENEFITS ▪ High current 3-phase gate drive for N-channel MOSFETs ▪ 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) DESCRIPTION The A4935 is a 3-phase controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications. A unique charge pump regulator provides full (>10 V) gate drive for battery voltages down to 7 V and allows the A4935 to operate with a reduced gate drive, down to 5.
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