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NXP Semiconductors Electronic Components Datasheet

MWCT1012DS Datasheet

wireless power transmitter controller

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Freescale Semiconductor
Data Sheet
Document Number: WCT1012DS
Rev. 1.1, 09/2015
MWCT1012DS
Features
Compliant with the latest version Wireless Power
Consortium (WPC) specifications transmitter design
Supports wide DC input voltage ranging from 4.2 V,
typically 12 V and 19 V
Integrated digital demodulation
Supports two-way communication, transmitter to
receiver by FSK and receiver to transmitter by ASK
Supports all types of receiver modulation strategies (AC
capacitor, AC resistor, and DC resistor)
Supports Medium Power Foreign Object Detection
(FOD) Framework
Supports low standby power
Supports various power control techniques: frequency
control, duty cycle control, phase shift control and
topology switch
LED 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
Medium Power Wireless Power Transmitter
Medium power consumer power transmitter solution
with frequency and duty cycle control, phase-shift
control, and topology switch (WPC MP-Ax types or
customer properties)
Overview Description
The WCT1012 is a wireless power transmitter controller that
integrates all required functions for the WPC “Qi” compliant
wireless power transmitter design. It is an intelligent device
that works with the Freescale touch sensing technology or
uses periodically analog PING to detect a mobile device for
charging while gaining super low standby power. Once the
mobile device is detected, the WCT1012 controls the power
transfer by adjusting operation frequency and duty cycle, or
switching topology, or adjusting the phase shift according to
message packets sent by mobile device.
In order to maximize the design freedom and product
differentiation, the WCT1012 supports medium power
consumer power transmitter design (WPC MP-Ax or
customization) by using operation frequency and duty cycle
control, phase shift control, and topology switch by software
based solutions, which can support wireless charging with
both medium power receiver and low power receiver. In
addition, the easy-to-use FreeMASTER GUI tool has
configuration, calibration, and debugging functions to
provide a user-friendly design experience and reduced
time-to-market.
The WCT1012 includes a digital demodulation module to
reduce external components, FSK modulation to support
two-way communication, and
over-voltage/current/temperature protection and FOD
module 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
© 2015 Freescale Semiconductor, Inc. All rights reserved.
_______________________________________________________________________


NXP Semiconductors Electronic Components Datasheet

MWCT1012DS 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 Two-way communication ...................................................................................................................................... 16
3.5 Foreign object detection ....................................................................................................................................... 16
4 Device Information ................................................................................................................................. 17
4.1 Functional block diagram ...................................................................................................................................... 17
4.2 Pinout diagram ..................................................................................................................................................... 18
4.3 Pin function description ........................................................................................................................................ 18
4.4 Ordering information ............................................................................................................................................ 20
4.5 Package outline drawing ....................................................................................................................................... 20
WCT1012DS, Rev. 1.1, 09/2015
2
Freescale Semiconductor


Part Number MWCT1012DS
Description wireless power transmitter controller
Maker NXP
Total Page 3 Pages
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