General Purpose BMS Communication TPL Transceiver and CAN FD Gateway


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Block Diagram

MC33665A Block Diagram

MC33665A Block Diagram


System Features

  • Four independent TPL daisy chain ports
  • SPI interface to MCU up to 10 Mbit/s data rate
  • CAN FD interface to MCU up to 5 Mbit/s of data rate
  • Message buffering supports traffic handling of MCU and daisy chain ports
  • Enables different daisy chains message synchronization
  • Daisy chain supporting 2 Mbit/s data rate
  • Supports up to 2 independent Loop-back daisy chains
  • Compatible with MC33771C and MC33772C battery cell controllers
  • Compatible with upcoming battery cell controllers

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33665A is included in the 15-year program

Part numbers include: MC33665ATF4AE, MC33665ATS4AE.

Comparison Table

Part Number Description Package CAN FD SPI TPL
MC33665ATF4AE CAN FD gateway with 4 TPL ports LQFP48 X 4
MC33665ATS4AE Enhanced TPL transceiver with SPI interface and 4 TPL ports LQFP48 X 4


Quick reference to our documentation types.

1 documents

Design Resources

Design Files

1 design file


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