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  • Qi-Certified WPC v1.2 Solution for 5-W Operation and Proprietary 10-W Charging Capability With TI bq51025 Wireless Power Receiver
    • Proprietary Authentication Protocol With TI bq51025 Receiver
    • Faster Charging Time
    • Compatible With Standard 5-W WPC Receivers
  • 12-V Input, Fixed Frequency, Rail Voltage Control Architecture
  • Conforms to Wireless Power Consortium (WPC) A29 Transmitter Type Specification
  • Enhanced Foreign Objection Detection (FOD) Implementation With FOD Ping that Detects Metal Objects Prior to Power Transfer
  • Low Standby Power During Idle and ’Charge Complete’
  • 10 Configurable LED Modes Indicate Charging State and Fault Status
  • Digital Demodulation Reduces Components and Simplifies Circuitry
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The bq500215 is a dedicated wireless power digital controller that integrates the logic functions required to control wireless power transfer to a single WPC-compliant receiver. The bq500215 complies with the WPC v1.2 standard for power delivery up to 5 W and uses a proprietary bidirectional communication protocol to allow charging at up to 10 W with the bq51025 wireless power receiver. The bq500215 is an intelligent device that periodically pings the surrounding environment for available devices to be powered, detects if a foreign metal object is present on the charging pad, monitors all communication from the device being wirelessly powered, and adjusts power applied to the transmitter coil per feedback received from the powered device. The bq500215 also manages the fault conditions associated with the power transfer and controls the operating mode status indicator. The bq500215 uses a rail voltage control scheme instead of the traditional frequency control to adjust the amount of power delivered to the receiver.

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Technical documentation

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Type Title Date
* Data sheet bq500215 WPC v1.2 Compliant Wireless Power Transmitter Manager With Proprietary 10-W Power Delivery datasheet (Rev. B) Mar. 28, 2017
Technical article When to use rechargeable batteries in small battery applications Oct. 01, 2019
Technical article Should I use a linear charger or a switching charger? Oct. 31, 2015
Technical article Smallest HD TI display chipset wins big award May 22, 2015
User guide bq500215 bqTESLA Wireless Power TX EVM (Rev. A) Jan. 16, 2015
More literature Battery Management Solutions for Point of Sale Systems Aug. 18, 2014
Technical article Summertime and the livin' is easy Jun. 20, 2014

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