The P9242-R is a highly-integrated 15W magnetic induction wireless power transmitter compliant to the WPC-1.2 specification. The product is designed to withstand a wide input voltage range of 4.25V to 21V, while consuming very low power in standby mode.

The transmitter includes a 32-bit ARM Cortex®-M0 processor, foreign object detection (FOD), full bridge drivers and on-chip simultaneous voltage and current demodulation. The device features a programmable current, programmable LED pattern; and I2C serial interface protocol to read back information such as voltage, current and fault conditions. Together with P9221-R receiver, the P9242-R is a complete wireless power system solution for 15W applications. The P9242-R is available in a , space-saving 6 x 6 mm 48-VFQFPN package. It is rated for -40ºC to +85ºC ambient operating temperature range.


  • VIN range: 4.25 to 21 V
  • Compliant to WPC-1.2 specification
  • Up to 15W of power transfer
  • 86% end to end efficiency
  • Low standby and sleep mode power                                      
  • Integrated step-down switching regulator
  • Simultaneous voltage & current demodulation
  • Integrated 32bit ARM® Cortex®-M0 processor
  • Supports I2C interface


下单器件型号 Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Active VFQFPN 48 I 是的 Tray
Active VFQFPN 48 I 是的 Reel


文档标题 其他语言 类型 文档格式 文件大小 日期
P9242-R Datasheet 数据手册 PDF 1.03 MB
P9242-R Layout Guidelines 指南 PDF 936 KB
应用指南 &白皮书
Wireless Power Transmission Resonance LC Calculations 应用文档 PDF 3.74 MB
Tuning Qi and AirFuel / PMA Inductive Resonance Circuits for Optimal Efficiency 白皮书 PDF 627 KB
PCN# : A1904-01 Add Greatek, Taiwan as an Alternate Assembly Facility 产品变更通告 PDF 983 KB
PCN# : W1905-01 Product Change Notice for TSMC Fab6 Alternate Foundry 产品变更通告 PDF 1.15 MB
PCN# : WP1706-01 Firmware change, P9242-RNDGI(8) 产品变更通告 PDF 50 KB
Wireless Power Products Overview 概览 PDF 1.25 MB
Errata#: WPEN-17-01 Device Errata P9242-RNDGI, P9242-RNDGI8 器件勘误表 PDF 20 KB
P9221-R and P9242-R Wireless Power Reference Kits for 15W Applications 产品简述 PDF 253 KB
P9242-R Wireless Power Transmitter for 15W Applications 产品简述 PDF 307 KB

Boards & Kits

器件号 文档标题 类型 公司
P9221-R-EVK Wireless Power Receiver Reference Solution
P9242-R-EVK Wireless Power Transmitter Reference Solution