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Cooling Concept Assessment for High Power Step−Down Conversion

  • Test Setup
  • Test Board and Heat Sinks
  • Measurement Preparation
  • Measurements
  • Impact of Gap Pad

White Paper Overview 

The electronic control unit (ECU) is the brain of a vehicle to control the electrical systems or subsystems in a car. The automotive original equipment manufacturers (OEMs) need to design ECUs that incorporate a wide range of power capacities to ensure effective thermal management and enhance overall system reliability.

This paper provides a detailed account of tests conducted to measure MOSFET temperatures and generate device thermal profiles for various thermal management approaches. It examines the thermal impact of different factors such as thermal resistance and gap pad thickness and evaluates the effectiveness top-side and bottom-side mounting heat sink designs.

Download this white paper to gain insights into how effective thermal management is critical for high-power step-down conversions in automotive applications.

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