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IC manufacturers Renesas

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Renesas IDTP9020

Industry’s First Multi-Mode WPC Compliant Wireless Power Receiver IC


TopologyWireless Power Transfer
Output 15 V
IC revision0.2


The IDTP9020 is a highly-integrated single-chip WPC-compliantwireless power receiver IC. The device receives an AC powersignal from a compatible wireless transmitter and converts it intoa regulated 5V output voltage which can be used to powerdevices or supply the charger input in mobile applications. TheIDTP9020 integrates a high-efficiency synchronous full-bridgerectifier, high-efficiency synchronous buck converter, and controlcircuits used to modulate the load to transmit WPC-compliantmessage packets to the transmitter station to optimize powerdelivery. Power delivery is limited to 5W in accordance with theQi specification.The device includes over-temperature/voltage protection and aForeign Object Detection (FOD) method to protect the basestation and mobile device from over-heating in the presence of ametallic foreign object. Fault conditions associated with powertransfer are managed by the embedded MCU, which alsocontrols status LEDs to indicate operating and fault modes


  • Single-Chip 5W Solution for Wireless Power Consortium-(WPC) “Qi” Compliant Power Receiver
  • Conforms to WPC Specification Version 1.1 Specifications
  • Integrated Synchronous Full-Bridge Rectifier
  • Integrated Synchronous Buck Converter
  • Embedded MCU, ROM, RAM, & ADC
  • Integrated USB Adaptor Switch for USB Charging
  • Closed-Loop Power Transfer Control between Base
  • Station and Mobile Device
  • Security and Encryption up to 64 bit
  • Foreign Object Detection (FOD)
  • Over-Temperature/Voltage Protection
  • Compatible with all WPC Receiver Coils Including
  • Proprietary and PCB-based Coils
  • Open-Drain LED Indicator Outputs
  • I2C Interface

Typical applications

  • Digital Cameras, MP3 Players
  • Remote Controls
  • Mobile and Smart Phones
  • Tablets, MIDs
  • GPS
  • WPC-Compliant Wireless Chargers for Mobile Applications