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WCT1003A Datasheet

Automotive Wireless Transmitter Controller

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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.
_______________________________________________________________________


NXP Semiconductors Electronic Components Datasheet

WCT1003A Datasheet

Automotive Wireless Transmitter Controller

No Preview Available !

Contents
1 Absolute Maximum Ratings .................................................................................................................... 4
1.1 Electrical Operating Ratings .................................................................................................................................... 4
1.2 Thermal Handling Ratings .......................................................................................................................................5
1.3 ESD Handling Ratings ..............................................................................................................................................5
1.4 Moisture Handling Ratings ...................................................................................................................................... 5
2 Electrical Characteristics ......................................................................................................................... 5
2.1 General Characteristics ........................................................................................................................................... 5
2.2 Device Characteristics ............................................................................................................................................. 8
2.3 Thermal Operating Characteristics ........................................................................................................................ 21
3 Typical Performance Characteristics ............................................................................................... 21
3.1 System Efficiency .................................................................................................................................................. 21
3.2 Standby Power...................................................................................................................................................... 22
3.3 Digital Demodulation ............................................................................................................................................ 23
3.4 Foreign Object Detection ...................................................................................................................................... 23
4 Device Information ................................................................................................................................. 23
4.1 Functional Block Diagram...................................................................................................................................... 23
4.2 Product Features Overview ................................................................................................................................... 24
4.3 Pinout Diagram ..................................................................................................................................................... 25
4.4 Pin Function Description ....................................................................................................................................... 25
4.5 Ordering Information ............................................................................................................................................ 35
Automotive Wireless Transmitter Controller, Rev. 1.0, 08/2014
2
Freescale Semiconductor


Part Number WCT1003A
Description Automotive Wireless Transmitter Controller
Maker NXP
Total Page 3 Pages
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