Texas Instruments bq51021
The bq5102x device is a fully contained wireless power receiver capable of operating with the WPC v1.1 protocol which allows a wireless power system to deliver up to 5 W to the system when used with a Qi inductive transmitter. The bq5102x device provides a single device power conversion (rectification and regulation) as well as the digital control and communication for WPC specification. With marketleading efficiency and adjustable output voltage, the bq5102x device allows for unparalleled efficiency and system optimization.FEATURES
●1 Robust 5-W Solution With 50% Lower Losses for Improved Thermals – Inductorless Receiver for Lowest Height Profile Solution – Adjustable Output Voltage (4.5 to 8 V) for Coil and Thermal Optimization – Fully Synchronous Rectifier With 96% Efficiency – 97% Efficient Post Regulator – 79% System Efficiency at 5 W● WPC v1.1 Compliant Communication
● Patented Transmitter Pad Detect Function Improves User Experience
● Alignment Feature Through I2C Allows for User Training to Find Best Position on Surface of TX 2
APPLICATIONS
● Smart Phones, Tablets, and Headsets● Wi-Fi Hotspots
● Power Banks
● Other Handheld Devices 3
DESCRIPTION
I2C also allows system designers to implement interesting new features such as aligning a receiver on the transmitter surface, or detecting foreign objects on the receiver. The receiver allows for synchronous rectification, regulation and control and communication to all exist in a market leading form factor, efficiency, and solution size. Device Informa...