NOTICE - The following device(s) are recommended alternatives:

The P9240A is a 15W, magnetic induction wireless power transmitter product supporting WPC’s MP-A1/MPA2 medium power coil configurations. The transmitter includes an industry-leading 32-bit ARM® Cortex®-M0 processor offering high level of programmability while consuming ultra-low standby power meeting the Energy Star requirement. In addition, the new μController empowers the users to customize features such as LED patterns, buzzer and FOD threshold settings. The P9240A is available in a Pb-free, space-saving VFQFPN 5mm X 5mm, 40-pin package. The device is rated over an operating temperature range of -40 to +85ºC.

NOTICE: This device is restricted to high volume and strategic applications only. For most customers, consider using our general market devices found at


  • VIN range: 4.25 – 21 Volts
  • Compatible to WPC-1.2.1 Medium Power Specifications
  • Up to 15W of Power Transfer
  • High Efficiency
  • Proprietary Slew Rate Control; improves EMI performance and eliminates the EMI filter
  • Low Standby and Sleep Mode Power; meets Energy Star requirements
  • Integrated Step-Down Switching Regulator
  • Simultaneous Voltage & Current Demodulation
  • Integrated 32-bit ARM® Cortex®-M0 Processor
  • Supports I2C Interface

Product Options

Part Number Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Obsolete VFQFPN 40 I Yes Tray
Obsolete VFQFPN 40 I Yes Reel

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
P9240A Datasheet Datasheet PDF 1.44 MB
Application Notes & White Papers
Wireless Power Transmission Resonance LC Calculations Application Note PDF 3.74 MB
Tuning Qi and AirFuel / PMA Inductive Resonance Circuits for Optimal Efficiency White Paper PDF 627 KB
PDN# : CQ-18-01 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 540 KB
PDN# : CQ-17-03 Quarterly Market Declined PDN Product Discontinuation Notice PDF 543 KB
Wireless Power Products Overview Overview PDF 1.14 MB