Texas Instruments, Inc.

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Industry's first passive low frequency interface with battery charge function from TI enables remotely powered medical, industrial and consumer products


  • Battery check and charge function via RF field supports operation of hermetically sealed devices such as implants
  • PaLFI memory is accessible via an SPI and wireless LF 134kHz interface allowing for access to additional microcontroller memory
  • The device can supply a battery powered MSP430 MCU with energy and operate the microcontroller even if the battery is empty ensuring data is still available and not getting lost
  • Low Frequency band (LF) ensures stable communication within a well defined reading zone
  • No battery required for data programming into the memory to allow an MCU to read content and use it for configuration, or calibration purposes once connected to the battery

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