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NXP Semiconductors Electronic Components Datasheet

MWCT1000DS Datasheet

wireless power transmitter controller

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Freescale Semiconductor
Data Sheet
Document Number: MWCT1000DS
Rev. 1.0, 02/2014
MWCT1000DS
Features
Low power (5 W) solution for Wireless Power
Consortium (WPC) compliant transmitter design
Conforms to the latest version low power WPC
specifications
Supports wide DC input voltage range starting from
4.2 V, typically 5 V, 12 V and 19 V
Integrated digital demodulation on chip
Supports all types of receiver modulation strategies (AC
capacitor, AC resistor and DC resistor)
Supports Foreign Object Detection (FOD)
Dynamic input power limit for limited input power
supply, like USB power.
Super low standby power (less than 25 mW) by
Freescale Touch technology
Supports any guided positioning single coil power
transmitter solutions using frequency and duty cycle
control
LED & buzzer for system status indication
Over-voltage/current/temperature protection
Software based solution to provide maximum design
freedom and product differentiation
FreeMASTER GUI tool to enable configuration,
calibration and debugging
Applications
Low Power Wireless Power Transmitter
Any guided positioning single coil solution with
frequency & duty cycle control (WPC A types or
customer properties)
Overview Description
The WCT1000 is a wireless power transmitter controller that
integrates all required functions for WPC “Qi” compliant
wireless power transmitter design. It’s an intelligent device
to work with Freescale touch sensing technology or use
periodically analog PING (configurable by user) to detect a
mobile device for charging while gaining super low standby
power. Once the mobile device is detected, the WCT1000
controls the power transfer by adjusting operation frequency
of power stage according to message packets sent by mobile
device.
In order to maximize the design freedom and product
differentiation, WCT1000 supports any low power guided
positioning single coil power transmitter design (WPC types
or customization) using operation frequency and duty cycle
control by software based solutions. Besides, easy-to-use
FreeMASTER GUI tool with configuration, calibration and
debugging functions provides user-friendly design
experience and speed time-to-market.
The WCT1000 includes digital demodulation module to
reduce external components, over-voltage/current/
temperature protection and FOD method to protect from
overheating by misplaced metallic foreign objects. It also
handles any abnormal condition and operational 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

MWCT1000DS Datasheet

wireless power transmitter controller

No Preview Available !

Contents
1 Absolute Maximum Ratings ....................................................................................................................5
1.1 Electrical Operating Ratings ....................................................................................................................................5
1.2 Thermal Handling Ratings .......................................................................................................................................6
1.3 ESD Handling Ratings ..............................................................................................................................................6
1.4 Moisture Handling Ratings ......................................................................................................................................6
2 Electrical Characteristics .........................................................................................................................7
2.1 General Characteristics ...........................................................................................................................................7
2.2 Device Characteristics .............................................................................................................................................9
2.3 Thermal Operating Characteristics ........................................................................................................................14
3 Typical Performance Characteristics ............................................................................................... 15
3.1 System Efficiency ..................................................................................................................................................15
3.2 Standby Power......................................................................................................................................................15
3.3 Digital Demodulation ............................................................................................................................................15
3.4 Foreign Object Detection ......................................................................................................................................16
3.5 Dynamic Input Power Limit ...................................................................................................................................16
4 Device Information ................................................................................................................................. 16
4.1 Functional Block Diagram......................................................................................................................................16
4.2 Pinout Diagram .....................................................................................................................................................17
4.3 Pin Function Description .......................................................................................................................................17
4.4 Ordering Information ............................................................................................................................................19
4.5 Package Outline Drawing ......................................................................................................................................19
MWCT1000DS, Rev. 1.0
2 Freescale Semiconductor


Part Number MWCT1000DS
Description wireless power transmitter controller
Maker NXP
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