MP-A11 Fixed Frequency Transmitter 22 Watt Capability Reference Design

WCT-15W1CFFPD

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The 22 W MP-A11 single-coil fixed frequency wireless charging transmitter reference design uses the WCT10xx transmitter controller IC that integrates all required functions for the wireless power consortium (WPC) Qi-compliant wireless power transmitter design.

WCT-15W1CFFPD Qi Wireless Charging Transmitter Solution - Fact Sheet

Block Diagram

Fixed Frequency Transmitter

WCT-15W1CFFPD Block Diagram
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Supported Devices

Power Management

Wireless Power

  • MWCT1x1x: 15 Watt Wireless Charging Transmitter ICs

Interfaces

USB Interfaces

Features

Device

  • MWCT101x

Memory

  • 64 kB/96 kB/256 kB

Wireless Power Standard

  • Qi 1.2.4

Power Profile

  • 22 W, compatible with EPP 1 5W

Transmitter Type

  • MP-A11 (all types supported)

Operating Frequency

  • 125 ± 5 kHZ for Qi devices with 6 Hz accuracy

Safety

  • Foreign object detection

Efficiency

  • 75%

Functionality

  • Compliant with the Qi v1.2.4 specification
  • WPC MP-A11 topology (introduced by NXP)
  • Compatible with industrial and consumer extended power profile (EPP) - 15 W
  • Fixed frequency, cost-optimized consumer design
  • Greater than 70% transfer efficiency
  • Integrated digital demodulation on-chip
  • Q-Factor and robust power loss foreign object detection (FOD)
  • Supports I²C, UART, SPI, and CAN interfaces
  • Software-based solution provides maximum design freedom

Debugging

  • UART of JTAG interfaces

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WCT-15W1CFFPD
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MP-A11 Fixed Frequency Transmitter 22 Watt Capability Reference Design.

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