TI Launches Integrated Transmitter Circuit with Foreign Object Detection for Qi Wireless Charging Stations
Published2014.01.24 15:26
TI Korea (CEO Kent Chon, www.ti.com/ww/kr) January 24, 2014 – TI (CEO Kent Chon) announced the launch of next-generation wireless power transfer circuits with integrated foreign object detection, enabling convenient design of 3-coil 5V and 12V A6 charging stations that meet the WPC (Wireless Power Consortium) 1.1 standard specification. The new bq500412 controller, which has begun mass production, requires only half the component count compared to competing solutions. (For detailed information on sample and development kit orders, see http://www.ti.com/bq500412-pr-kr)
The bq500412 integrates all functions for wireless power transfer control of receiver circuits from charging stations used in Qi-compatible smartphones and other devices. Additionally, in combination with a boost converter as well as 12V charging pads, it enables the design of 3-coil 5V USB charging pads and utilizes Dynamic Power Limit™ technology to enable superior operation regardless of the power capacity of the port. Furthermore, it integrates enhanced foreign object detection functionality to conveniently meet the requirements of the WPC 1.1 standard specification.
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