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Features

  • Expanded Free Positioning Using Three-Coil
    Transmit Array
  • Intelligent Control of Wireless Power Transfer
  • Conforms to Wireless Power Consortium (WPC)
    A6 Transmitter Specification
  • Digital Demodulation Reduces Components
  • WPC1.1 Ready, Including Foreign Object
    Detection (FOD)
  • Enhanced Parasitic Metal Detection (PMOD)
    Assures Safety
  • Overcurrent Protection
  • LED Indication of Charging State and Fault Status
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Description

The bq500410A device is a free-positioning digital wireless power controller that integrates all functions required to control wireless power transfer to a WPC compliant receiver. It is WPC 1.1 ready and designed for 12-V systems but applicable to other supply voltages. The bq500410A pings the surrounding environment for WPC compliant devices to be powered, safely engages the device, reads the packet feedback from the powered device, and manages the power transfer. A charging area of at least 70 mm × 20 mm provides flexible receiver placement on a transmitter pad. The bq500410A supports both Parasitic Metal Detection (PMOD) and Foreign Object Detection (FOD) by continuously monitoring the efficiency of the established power transfer, protecting from power lost due to metal objects misplaced in the wireless power transfer path. Should any abnormal condition develop during power transfer, the bq500410A handles it and provides fault indicator outputs. Comprehensive protection features provide a robust design to protect the system in all receiver placements.

The bq500410A is available in an area-saving 48-pin, 7-mm × 7-mm VQFN package and operates over a temperature range from –40°C to 110°C.

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Technical documentation

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Type Title Date
* Datasheet bq500410A Free Positioning, Qi-Compliant Wireless Power Transmitter Manager datasheet (Rev. A) Dec. 31, 2015
* Errata bq500410A Data Sheet Errata Sep. 04, 2013
Technical articles When to use rechargeable batteries in small battery applications Oct. 01, 2019
Application notes bqTESLA Transmitter Coil Vendors (Rev. G) Jul. 07, 2016
Technical articles Should I use a linear charger or a switching charger? Oct. 30, 2015
Technical articles Summertime and the livin' is easy Jun. 20, 2014
Technical articles "Good Vibrations" Mar. 26, 2013
User guides bq500410A bqTESLA Wireless Power Transmitter EVM (Rev. A) Dec. 03, 2012

Design & development

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VQFN (RGZ) 48 View options

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