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Wireless Power Receiver accelerates mobile device charging.

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March 10, 2014 - Supplied in single 42-pin, 3.6 x 2.9 x 0.5 mm package, bq51221 dual-mode, inductor-less, 5 W wireless power receiver supports Wireless Power Consortium (WPC) Qi 1.1 and Power Matters Alliance (PMA) specifications. Ability to achieve up to 96% power efficiency and programmable output voltage minimize power loss, accelerating efficient charging of mobile phones, headsets, and power banks from Qi or PMA charging station.

TI Delivers Highest Efficiency Dual-mode Qi, PMA Wireless Power Receiver


Texas Instruments, Inc. (TI)
12500 TI Blvd.
Dallas, TX, 75243-4136
USA



Press release date: February 27, 2014

First dual-mode 5-W power solution to ship in volume production reduces power loss by 50 percent -- enabling faster, more efficient charging

BARCELONA, Spain -- Improving the mobile charging experience, Texas Instruments (TI) (NASDAQ: TXN) today announced it is shipping in volume production the industry's smallest, most efficient wireless power receiver to support both the Wireless Power Consortium's (WPC) Qi 1.1 and Power Matters Alliance (PMA) specifications. The new bq51221 inductor-less, 5-watt receiver's high efficiency and programmable output reduces power loss by as much as 50 percent compared to existing receiver solutions, allowing consumers to more efficiently and quickly charge their mobile phones, headsets and power banks from a Qi or PMA charging station. To order samples and a development kit, visit: www.ti.com/bq51221-pr.

Features and benefits of bq51221:

--  Dual-mode, 5-watt receiver: Compliant with Qi 1.1 and PMA communication and control.
--  High efficiency for fast charge time: Achieves up to 96 percent power efficiency, and the device's adjustable output voltage helps reduce power loss by as much as 50 percent.
--  Industry's smallest, thinnest solution: 3.6-mm by 2.9-mm by 0.5-mm single-chip wireless power receiver achieves a solution size of 75 mm(2) without the need for an inductor.

In addition to the dual-mode receiver, TI also introduced its bq51010B next-generation Qi 1.1-compliant receiver with an integrated 7-V regulated supply and foreign object detection. The single-chip receiver, also shipping in volume production, achieves 93 percent power efficiency and ensures the lowest possible power dissipation when charging a Qi-compliant smartphone.

TI and wireless power
TI's wireless power management products and support enable innovative, efficient wireless charging capabilities for smartphones, tablets and other portable electronics, and wireless power charging transmitters ranging from stand-alone charging pads to those embedded in cars and furniture. The company offers the most extensive portfolio of power integrated circuits that support WPC's Qi standard. TI also is a member of the Alliance for Wireless Power (A4WP) and PMA.

Availability and pricing
The new bq51221 and bq51010B wireless power receivers are available now in volume production to customers worldwide. The bq51221 dual-mode receiver comes in a 42-pin, 3.6-mm by 2.9-mm by 0.5-mm package at a suggested resale price of US$3.00 each in 1,000-unit quantities. Qi-only versions of the bq51221 are currently sampling to select customers, and are expected to be available in volume production in the second quarter. Designers can order the new bq51221EVM-520 evaluation module to get started on dual-mode wireless power receiver designs. The bq51010B comes in a 28-pin, 1.9-mm by 3-mm BGA package at a suggested price of US$2.50 each in 1,000-unit quantities.

Find out more about TI's wireless power solutions:

--  Check out TI's comprehensive portfolio of wireless power solutions.
--  Watch a video of TI's wireless power demonstrations at CES2014 in Las Vegas.
--  Join the TI E2E(TM) Power Community to ask questions and help solve problems with fellow engineers.

TI analog for personal electronics
TI's broad range of power management and analog signal chain products offers design engineers the high performance, low power and integration they need to create innovative and differentiated personal electronics. TI is engineering the future with touch feedback, advanced battery charging, audio, health technology and more. Learn how analog products improve how we live, work and play with TI analog solutions for personal electronics.

About Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today. Learn more at www.ti.com.

Trademarks
TI E2E is a trademark of Texas Instruments. All registered trademarks and other trademarks belong to their respective owners.

CONTACT: Matt McKinney, Texas Instruments, +1-214-567-2493, m-mckinney1@ti.com or Madison Lax, GolinHarris, +1-972-341-2538, mlax@golinharris.com
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User comments about this story

wireless charging

Adrie, thank you so much for the inquiry. We'd be happy to walk through options with you. To best respond, can you post your question on the Wireless Power forum on TI's E2E Community site? www.ti.com/powerforum.

By Matt McKinney on Apr 10, 2014 12:16

Reply to this comment


wireless charging

Hello,

I'm building a track and trace device for bicycles and i want it recharing with a wireless system, i was reading that TI have chips to use between the battery and the charger system.
my question is, is it possible for me to test these wireless system on my track and trace device, because the device is build in the frame of the bike and it has to be recharged when needed.
i've got several prototypes that i will test before i can bring it on the market.
can you tell me what system i best use for this and is it possible to charge it when its in a aluminum or carbonfiber frametube?
or do i need a connection to comunicate?
i do have a few small holes in the frame that i can use to make a sort of contact.

thanks in advance,
Best regards,
Adrie De Maesschalck

By Adrie de Maesschalck on Apr 10, 2014 05:06

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