WPC MP 1.2.1 Medium Power Compliant Wireless Power Transmitter

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 www.idt.com/go/WPkits.


  • 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

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
P9240A-0NDGI Not Recommended for New Designs NDG40P2 VFQFPN 40 I Yes Tray Availability
P9240A-0NDGI8 Not Recommended for New Designs NDG40P2 VFQFPN 40 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
P9240A Datasheet Datasheet PDF 1.23 MB Feb 15, 2016
Application Notes & White Papers
Tuning Qi and AirFuel / PMA Inductive Resonance Circuits for Optimal Efficiency White Paper PDF 541 KB May 10, 2017
AN-816 IDT Wireless Power Transmission Resonance LC Calculations Application Note PDF 284 KB Jan 16, 2014
PDN# : CQ-17-03 Quarterly Market Declined PDN Product Discontinuation Notice PDF 543 KB Aug 15, 2017
The IDT Consumer Products Advantage Overview PDF 4.01 MB Jun 30, 2017
The IDT Automotive Advantage Overview PDF 3.55 MB May 26, 2017
Wireless Power Reference Kits Overview Overview PDF 2.04 MB Feb 21, 2017