Automotive High- and Low-Side MOSFET Gate Drivers with Diagnostics

A3942, A3944

LP TSSOP 28 pin

The A3942/44 gate drivers provide robust and reliable control of high-side (A3942) and low-side (A3944) N-channel MOSFETs in automotive applications. Integrated diagnostics and SPI control simplify system design and enhance fault detection.

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Top Features

Packaging

  • 4.5 to 60 V input voltage range
  • Charge pump for 100% duty cycle operation (A3942)
  • SPI port for control and fault diagnostics
  • Device protection features:
  • Short-to-ground detection 
  • Short-to-battery protection 
  • Open load detection
  • VDD undervoltage lockout
  • VCP undervoltage lockout
  • Thermal monitor
 

The A3942 is available in a 38-lead thin (1.20 mm maximum overall height) TSSOP package with six pins that are fused internally to provide enhanced thermal dissipation (package LG). It is lead (Pb) free with 100% matte tin leadframe plating.

The A3944 is supplied in a 28 lead TSSOP package (suffix LP) with an exposed thermal pad. The package is lead (Pb) free with 100% matte-tin leadframe plating.

 

 

Part Number Specifications and Availability