MWCT1000DS
●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.
●Features
■Low power (5W) 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 4.2V, typically 5V, 12V and 19V
■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 25mW) 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
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WCT1000 、 MWCT1000CFM 、 MWCT1000 、 MPR121 、 WCT100 |
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Datasheet |
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Please see the document for details |
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QFN;DFN |
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English Chinese Chinese and English Japanese |
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02/2014 |
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Rev. 1.0 |
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MWCT1000DS |
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3.6 MB |
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