General Purpose BMS Communication TPL Transceiver and CAN FD Gateway

MC33665A

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The MC33665A is a general-purpose battery management communication gateway and TPL transceiver.

The device routes messages upcoming from different TPL (NXPs proprietary isolated daisy chain protocol) ports to standard communication protocols. The standard communication protocols ensures compatibility with most microcontrollers available in the market. The various protocols supported by MC33665A are SPI, CAN FD and UART.

For additional information and sample availability, contact your local Sales Office.

Block Diagram

MC33665A Block Diagram

MC33665A Block Diagram
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Features

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

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