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Automotive Three-Phase MOSFET Driver with ASIL Compliance, Diagnostics, and Current Sensing

A4911

A4911 Product Image

The A4911 is designed for safety-critical automotive applications requiring ASIL compliance. It provides integrated current sense amplifiers, extensive diagnostics, and a programmable gate drive for robust and reliable motor control.

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Top Features

Packaging

  • ISO26262 Developed and Certified to ASIL-D
  • 150°C Ambient operation
  • 165°C minimum thermal shutdown
  • Qualified to Q100 Grade 0
  • Robust Gate Drive Design allowing up to -18V Negative Transients
  • Extended diagnostics
    • Gate drive monitors
    • Overvoltage detectors
    • Logic level, phase-state output
    • Open load detect
  • Programmable gate drive outputs
  • Adjustable drive strength for slew rate limitation
    • Adjustable output voltage level for gate drive limitation
  • Programmable sense amplifiers
    • Adjustable gain
    • Adjustable offset
    • No external components required
    • Low offset drift
  • SPI read back & parity bit

48-pin WFN with exposed thermal pad and wettable flank (suffix EV)

48-pin LQFP with exposed thermal pad (suffix JP)

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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All Types Application Note Technical Article
Documents Found: 32
Document Type Document Name
Application Note
Estimating Maximum MOSFET Switching Frequency
Technical Article
Reverse Battery Protection Scheme for Automotive Applications