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bq51221 Datasheet Dual Mode 5-w Wireless Power Receiver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq51221 SLUSBS9A – FEBRUARY 2014 – REVISED JULY 2014 bq51221 Dual Mode 5-W (WPC and PMA) Single Chip Wireless Power Receiver.

General Description

The bq51221 device is a fully contained wireless power receiver capable of operating in both the WPC and PMA protocols which allows a wireless power system to work with both WPC and PMA inductive charging standards.

The bq51221 device provides a single device power conversion (rectification and regulation) as well as the digital control and communication for both standards.

It also has autonomous detection of protocol and requires no additional active devices.

Key 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 and PMA Compliant Communication.
  • Patented Transmitter Pad Detect Function Improves User Experience.
  • I2.

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