One-Chip 5 V Qi Wireless Transmitter

See product image

Product Details

Block Diagram

NXQ1TXH5 Block Diagram

NXQ1TXH5 Block Diagram


  • Single chip WPC1.2 Qi-compliant device for an A5/A11/A12/A16 single coil Qi low-power transmitter
  • Transmit power up to 8 W
  • Operates from 5 V supply
  • Integrated high-efficiency full-bridge power stage with overcurrent and overtemperature protection
  • Very low EMI radiation, passing EN55022 radiated and conducted emission test specifications
  • Very few external components required, minimizing cost and board space
  • Very low-power receiver detection circuitry; standby power less than 10 mW (typical)
  • Fully integrated accurate coil current measurement
  • Robust DSP based dual channel ASK communication with Qi-compliant receivers
  • 2 LED outputs and 1 buzzer output
  • NTC input for external temperature check and protection
  • Small HVQFN 32-pin package (5 x 5 mm) with 0.5 mm pitch
  • Foreign Object Detection (FOD) according to WPC Qi low-power V1.2 specifications
  • Easy FOD adjustment in application for Qi certification
  • Smart Power Limiting (SPL) function to adapt to power-limited 5 V supplies
  • Static Power Reduction (SPR) function to limit power consumption

Part numbers include: NXQ1TXH5.


Quick reference to our documentation types.

4 documents

Design Files

Quick reference to our design files types.

1 design file


Quick reference to our board types.

1 hardware offering

Engineering Services

4 engineering services

To find additional partner offerings that support this product, visit our Partner Marketplace.


2 trainings


What do you need help with?