WPC1.1-Compliant Wireless Power Transmitter Manager
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bq500211A
SLUSBB1B – DECEMBER 2012 – REVISED JUNE 2016
bq500211A 5-V, WPC1.
1-Compliant Wireless Power Transmitter Manager
Not Recommended for New Designs
1 Features
•1 Intelligent Control of Wireless Power Transfer • 5-V Operation Conforms to Wireless Power
Consortium (WPC) Type A5 and Type A11 Transmitter Specifications • WPC1.
1 Compliant, Including Foreign Object Detection (FOD) • Enhanced Parasitic Metal Detection (PMOD) Assures Safety • Dynamic Power Limiting™ for USB and Limited Source Operation • Digital Demodulation Reduces Components • LED Indication of Charging State and Fault Status
2 Applications
• WPC 1.
1 Compliant Wireless Chargers For: – Qi-Certified Smart Phones and other Handhelds – Hermetically Sealed Devices and Tools – Cars and Other Vehicles – Tabletop Charge Surfaces
• See www.
ti.
com/wirelesspower for More Information on TI's Wireless Charging Solutions
3 Description
The bq500211A is a second generation digital wireless power controller that integrates all functions required to control wireless power transfer to a single WPC compliant receiver.
It is WPC1.
1 compliant and designed for 5-V systems as either a WPC type A5 transmitter with a magnetic positioning guide or as a WPC type A11 transmitter without the magnetic guide.
The bq500211A pings the surrounding environment for WPC compliant devices to be powered, safely engages the device, receives packet communication from the powered device and manages the power transfer.
To maximize flexibility in wireless power applications, Dynamic Power Limiting™ (DPL) is featured on the bq500211A.
DPL enhances user experience by seamlessly optimizing the usage of power available from limited input supplies.
The bq500211A supports both Foreign Object Detection (FOD) and Parasitic Metal Object Detection (PMOD) by continuously monitoring the efficiency of the established power transfer, protecting from power lost due to...
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