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NXP Semiconductors Electronic Components Datasheet

WCT1011DS Datasheet

wireless power transmitter controller

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NXP Semiconductors
Data Sheet
WCT1011DS
Features
Compliant with the latest version Wireless Power
Consortium (WPC) power class 0 specification power
transmitter design
Supports wide transmitter 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 Q factor detection and calibrated power loss
based Foreign Object Detection (FOD) Framework
Supports low standby power
Supports various power control techniques: operation
frequency control, duty cycle control, phase difference
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
Extended Power Profile Power Transmitter
Extended power profile consumer power transmitter
solution with operation frequency and duty cycle
control, phase difference control, and topology switch
(WPC MP-Ax types or customer properties)
Document Number: WCT1011DS
Rev. 0 0,9/2016
Overview Description
The WCT1011 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 NXP 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 WCT1011 controls the power
transfer by adjusting the operation frequency and duty cycle,
or switching topology, or adjusting the phase difference of
the power stage according to message packets sent by
mobile device.
In order to maximize the design freedom and product
differentiation, the WCT1011 supports the extended power
profile consumer power transmitter design (WPC MP-Ax
types or customization) by using operation frequency and
duty cycle control, phase difference control, and topology
switch by software based solutions, which can support
wireless charging with both extended power profile power
receiver and baseline power profile power receiver. In
addition, the easy-to-use FreeMASTER GUI tool has
configuration, calibration, and debugging functions to
provide the user-friendly design experience and reduce
time-to-market.
The WCT1011 includes a digital demodulation module to
reduce the external components, an FSK modulation module
to support two-way communication, a protection module to
handle the over-voltage/current/temperature protection, and
an 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


NXP Semiconductors Electronic Components Datasheet

WCT1011DS 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 ............................................................................................................................................ 16
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
WCT1011DS, Rev. 0, 09/201
2
NXP Semiconductors


Part Number WCT1011DS
Description wireless power transmitter controller
Maker NXP
Total Page 3 Pages
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