Wireless Power Reference Designs

IDT Wireless Power

Integrated Device Technology (IDT) is an industry-leading manufacturer of wireless charging IC solutions. IDT selected Würth Elektronik as the wireless power coil partner for its 5W, Qi-compliant wireless power reference kits.

IDT's turnkey wireless power kits make integrating wireless charging easy, affordable and practical for a broad range of consumer electronics. The new Qi-compliant transmitter and receiver reference kits deliver plug-and-play ease of integration, enabling engineers to incorporate wireless charging capabilities into their designs in a matter of hours.

IDT P9038-R-EVK Receiver Board

IDT P9025-R-EVK Transmitter Board

LTC4123 - Low Power Wireless Charger for Hearing Aids

Typical Application: Complete Wireless Charging Solution for a Hearing Aid


  • Complete Low Power Wireless NiMH Charger
  • Low Minimum Input Voltage: 2.2V
  • Small Total Solution Volume
  • 1.5V, 25mA Linear Single-Cell NiMH Charger
  • Temperature Compensated Charge Voltage
  • Integrated Rectifier with Overvoltage Limit
  • Zinc-Air Battery Detection
  • Reverse Polarity Protection
  • Thermally Enhanced 6-Lead (2mm × 2mm) DFN package

Qi A11 wireless charger transmitter evaluation board based on STWBC


  • STWBC digital controller
  • 5 W output power
  • Qi 1.1.2 A11 certified
  • Foreign object detection (FOD)
  • Resistive and capacitive modulation
  • Active presence detector
  • Turn-key & FW APIs
  • complete kit (IC, firmware, tools)
  • RoHS compliant