NFC Wireless Charging Transmitter

CTN73x

CTN73x is designed to follow the NFC Forum standard for wireless charging. It is part of a solution offering from NXP for NFC wireless charging. It offers NFC reader/writer, MCU and software in a single chip. On top of CTN732, CTN730 offers Type 4A Tag card emulation up to and including 848 kbit/s. With the support of all NFC Forum tag types in reader mode as well as Type 4A Tag in card emulation, it is built to be used in charging applications like stylus pens, smart glasses, wearables and hearables.

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Block Diagram

NFC-Charging Block Diagram

NFC-Charging Block Diagram
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Features

  • Support of all NFC Forum defined tags
  • Low-power device discovery
  • 1.25 W TX power
  • Integrated Arm® Cortex®-M0, 160 kB flash, 12 kB SRAM and 4 kB EEPROM

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