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MAX77950 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX77950 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 53 page  General Description The MAX77950 is an advanced wireless power receiver IC that meets the specification requirements for WPC low-power (v1.2) and PMA SR1 (v2.0) communication protocols. This device operates using near-field magnetic induction when coupled with a WPC or PMA transmitter and provides output power up to 12 watts. The IC has precision output current and voltage-sensing scheme over the entire load range. It enables accurate received power packets, as defined in the WPC specifications for best foreign object detection (FOD). The IC supports FSK demodulation to receive PMA advertisement ID as well as WPC FSK packets. The IC features the patent-pending PeerPower ™ function. In PeerPower mode, the IC operates as a transmitter, enabling power transfer to another peer device through in-band ASK communications. The MAX77950 communicates with an application pro- cessor through an I²C serial interface. The status of power transfer and alerts are read through this interface. Applications ● Smartphones ● Tablets ● Smart Watches ● Headsets ● Wearable Devices ● Battery-Power Banks ● Wi-Fi Hotspots ● Digital Cameras ● Portable Medical Applications ● Portable Media Players ● Point-of-Sale Devices ● Handheld Devices Ordering Information appears at end of data sheet. PeerPower is a trademark of Maxim Integrated Products, Inc. 19-100003; Rev 0; 3/17 Benefits and Features ● WPC/PMA Dual Mode Wireless Power Receiver ● Compliant with WPC Low Power (v1.2) and PMA SR1 (v2.0) ● Peer-to-Peer Power Transmission with In-Band ASK Communications ● WPC ASK Demodulator/FSK Demodulator ● Output Programmable Range from 3.5V to 12.7V with 100mV Step ● Integrated High-Efficiency n-Channel Full-Bridge Synchronous Rectifier ● Programmable Foreign Object Detection ● Programmable Dynamic Rectifier-Voltage Scaling ● Overvoltage, Overcurrent, and Overtemperature Protection MAX77950 WPC/PMA Dual Mode Wireless Power Receiver EVALUATION KIT AVAILABLE |
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