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Fast-charge wireless power receivers cut power loss by 50 percent

TI’s ultra-small 5W receivers enable faster, cooler and more power efficient charging for Qi-enabled smartphones and other portable electronics
May 27, 2014 —

DALLAS, May 27, 2014 /PRNewswire/ –Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry’s most power-efficient 5-watt wireless power receivers that support the Wireless Power Consortium (WPC) Qi 1.1 standard. TI’s new bq51020 and bq51021 allow consumers to charge their Qi-compliant mobile phones, tablets, power banks and other electronics faster, cooler and more efficiently compared to other available wireless power solutions. To order samples and a development kit, visit: www.ti.com/bq51020-pr.

TI’s new bq51020 and bq51021 integrated circuits allow consumers to charge their Qi-compliant mobile phones, tablets, power banks and other electronics faster, cooler and more efficiently.

Available to ship in volume today, the bq51020 and bq51021 single-chip receivers feature a programmable output voltage up to 8 V and low on-resistance MOSFETs to reduce power loss by as much as 50 percent, compared to existing solutions in the market. The bq51021 features an I2C interface, which allows system designers to implement foreign object detection and a unique “pad-detect” feature that makes aligning the receiver with the charger easier for a better user experience.
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