AEC-Q200 Compliant Signal-BMS Transformers

This Dual-Channel Isolation Transformer module includes common mode chokes for noise rejection in BMS applications. The SM91509AL matches well with the Texas Instruments BQ79606 in daisy chain communication and is AEC-Q200 compliant. It also offers a 1600 Vdc working voltage, 4300 Vdc Hi-Pot isolation and an extended operating temperature range of -40 to +125 °C.


  • 1600 Vdc working voltage and Hi-Pot isolation voltage: 4300 Vdc
  • Superior noise rejection with two chokes inside per channel
  • Supports serial daisy chain/IsoSPI communication
  • Matches Texas Instruments Model BQ79606
  • AEC-Q200 compliant, Automotive Grade
  • Expanded temperature range: -40°C to 125°C
  • RoHS and Halogen Free

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