MWCT1001AVLH データシートの表示（PDF） - Freescale Semiconductor

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MWCT1001AVLH

Automotive Wireless Transmitter Controller

Freescale Semiconductor 

Freescale Semiconductor

Data Sheet

Document Number: WCT100XADS

Rev. 1.0, 08/2014

Automotive Wireless Transmitter

Controller

Features

• Conforms to the latest version WPC “Qi” specification

• Supports wide DC input voltage range of 6 V (limited

duration at Start/Stop operation) to 16 V for automotive

battery input

• Supports Foreign Object Detection (FOD)

• Low-power system standby available using Freescale

Touch technology

• Provides free positioning solutions by using WPC A or

B type multi-coil technology

• Uses rail voltage control or phase shift control with

fixed operating frequency to control power transfer to

help alleviate automotive system interference

• Supports the key FOB avoidance function

• Supports the operation frequency dithering technology

to eliminate the AM band interference

• Improved EMC performance for automotive

certification

• Supports CAN/LIN/IIC/SCI/SPI interfaces

• LED for system status indication

• Over-voltage/current/temperature protection

• Software based solution to provide maximum design

freedom and product differentiation

• AEC-Q100 grade 2 certification

• Dual-mode capable

Applications

• Automotive Wireless Power Transmitter

o WPC compliant

Overview Description

The WCT100xA is a wireless power transmitter controller

that integrates all required functions for WPC “Qi”

compliant wireless power transmitter design. The

WCT100xA transmitter IC manages the power transfer by

receiving commands from the receiver. Receivers are

detected by using either standard protocol methods or

Freescale touch sensor technology. Once the mobile device

is detected, the WCT100xA controls the power transfer by

adjusting rail voltage or phase shift of power stage according

to message packets sent by mobile device.

To maximize the design freedom and product differentiation,

the WCT100xA supports any 5W coil topology capable of

supporting WPC Qi-based implementation. In addition, the

system supports both WPC and PMA protocols.

The WCT100xA also includes CAN/LIN/IIC/SCI/SPI

interfaces, over-voltage/current/temperature protection and

FOD method to protect from overheating by misplaced

metallic foreign objects. It also handles any system fault and

operation status, and provides comprehensive indicator

outputs for robust system design.

Wireless Charging System Functional Diagram

© Freescale Semiconductor, Inc., 2014. All rights reserved.

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