Wireless Power Reference Designs
Renesas Electronics Wireless Power
Renesas Electronics (formerly known as IDT) is an industry-leading manufacturer of wireless charging IC solutions. Renesas Electronics selected Würth Elektronik as the wireless power coil partner for its 5W, Qi-compliant wireless power reference kits.
Renesas Electronics 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.
Typical Application: Complete Wireless Charging Solution for a Hearing Aid
Features
- 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
- See more reference designs with Analog Devices (former Linear Technology Inc.)
- Learn more about Low Power Wireless Charger for Hearing Aids at: http://www.linear.com/product/LTC4123
Features
- 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
- See more reference designs with STMicroelectronics
- Learn more about the Qi A11 wireless charger transmitter evaluation board on the website of STMicroelectronics.
Semtech Wireless Power
Semtech is a leading supplier of high performance analog and mixed-signal semiconductors and advanced algorithms. Semtech selected Würth Elektronik as the wireless power coil partner for its 20 W mid-power wireless power reference kits.
Semtech’s turnkey LinkCharge® offering make integrating wireless charging easy, affordable and practical for a broad range of infrastructure, after-market, medical consumer devices and custom electronics applications. The new 20 W transmitter and receiver reference kits use Semtech’s LinkCharge 20 standard to deliver plug-and-play ease of integration, enabling engineers to incorporate wireless charging capabilities into their designs in a matter of hours.
Features
- 16‐21 V Input / 20 W Output Power
- WPC1.2.2 compliant
- Supports various smartphones fast charging protocols (with latest firmware)
- Supports up to 15 W output power with WPC 1.2 receivers
- Supports up to 20 W output power with Semtech receivers
The User Manual, BOM, and Schematics are available for download here.