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Automotive Grade 1-A Transformer Driver

11/04/2025

The TPM6501x/TPM6501xQ is a push-pull transformer driver family for isolated power supplies. The TPM6501xQ is qualified for automotive grade AEC-Q100 Grade 1. It is an open-loop center-tapped transformer driver with voltage range from 2.25 V to 5.5 V. It is designed to optimize for EMC and noise performance.

The TPM6501x family is a simple solution for an isolated power supply. The device has an internal oscillator that generates switching frequency with spread spectrum on the dual output channels. It supports both the 420-kHz option (TPM6501A) and the 2.2-MHz option (TPM6501B) for different EMC requirements. The interleaved dual channel low-side outputs will drive the transformer to generate an isolated power supply with a maximum 1-A switching current.

Main Features

  • Low-Side Center-Tapped Transformer Driver
  • Automotive AEC-Q100 Grade-1 (TPM6501xQ only)
  • Low-Noise, Low EMI with Spread Spectrum
    - Switching Frequency 420 kHz (TPM6501A)
    - Switching Frequency 2.2 MHz(TPM6501B)
  • Support 2.25-V to 5.5-V
  • Supply with 1-A Primary Side Current
  • Soft-Start and Current Limit Protection
  • Slew Rate and Switching Frequency Optimized for EMC
  • Over-Temperature Protection
  • SOT23-5 Package
Documents Tech question
3 Peak TPM6501 TPM6501 Q

Automotive Grade 1-A Transformer Driver

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3Peak

3PEAK is committed to the research and development of high-performance, high-quality, and highly reliable integrated circuit products, including signal chains, power analog chips, mixed-signal front-ends, and embedded processors to provide customers with all-around solutions.

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Documents

  • 3 Peak TPM6501 TPM6501 Q Datasheet
Pexels thisisengineering 3913017

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