The development of wireless charging technology has been deeply researched and applied in the field of electronics. Although it has not been widely popularized, the development in the field of consumer electronics has achieved good results. Mobile phone manufacturers have also added this innovative advanced charging technology to their flagship machines. Mobile phones such as Samsung S6, Sony Xperia Z3+, Google Nexus 6, and Nokia Lumia 930 all use wireless charging technology.
Wireless power brings practical system benefits in applications such as removing connectors for increased reliability and durability, making the system waterproof for easy cleaning and providing a better user experience through increased convenience. Other applications can benefit from the increased security of removing touch points and the ability to transmit power and even data on challenging interfaces. TI is a proven industry leader in wireless power and offers a broad range of solutions to support wearables, smartphones, automotive, industrial and medical applications.
Texas Instruments (TI) announced a support for the industry's first fully integrated 10 W wireless charging solution with receivers and corresponding transmitters that are more efficient and can help designers of industrial, medical and personal electronics The device charges faster and more efficiently while getting rid of all the connectors. The bq51025 and bq500215 are currently in volume production. They not only support waterproof, dustproof and portable design, but also charge 1 and 2 (1S and 2S) lithium-ion batteries faster without overheating. . In addition, the charging solution is compatible with any 5W Qi-compliant product on the market, helping consumer electronics to be more flexible and charging more than ever.
The Bq51025 receiver not only supports programmable output voltages from 4.5V to 10V, but also combines with the TI bq500215 wireless power transmitter to achieve up to 84% charge efficiency at 10W, resulting in significant thermal performance. The full-featured wireless power receiver solution measures just 3.60 mm & TImes; 2.89 mm and can be designed for use in a wide range of portable industrial designs, including retail terminal scanners, handheld medical diagnostic devices, and individuals such as tablets and ultrabooks. electronic product.
The newly released bq500215 is a dedicated fixed frequency 10W wireless power digital controller transmitter compatible with 5W Qi receivers. The transmitter uses the Enhanced Foreign Object Detection (FOD) method to detect foreign matter before sending any power. If excessive loss is detected, the power is actively reduced.
The main features and advantages of bq51025/bq500215:â— Fast charging receiver combined with TI bq500215 controller can achieve system efficiency of up to 84% at 10W power, enabling fast charging experience for 1 and 2 battery-powered electronic devices;
â— Qi-compliant communication and control ensures compatibility with any wireless power alliance Qi-certified transmitter and receiver up to 5W. The I2C communication interface of the wireless charging solution not only helps the receiver to better align on the transmitter surface, but also supports the transmission of proprietary data packets between the receiver and the transmitter;
Both devices will be compatible with TI's future mid-level power Qi standard transmitters and receivers.
Wireless power evaluation boardâ— The bq51025EVM-649 Wireless Power Receiver Evaluation Kit helps designers evaluate the operation and performance of the bq51025;
â— The bq500215EVM-648 Wireless Power Transmitter Evaluation Board provides all the basic functions of a Qi-compliant wireless charging pad. The 12V input single coil transmitter helps designers speed time to market.
TI and wireless power TI's wireless power management products support innovative and efficient wireless charging, not only for mobile phones, tablets and other portable electronic products, but also for wireless power charging transmitters from stand-alone charging boards to automotive and device-embedded charging boards. Not only does TI offer the broadest portfolio of power ICs that support the WPC Qi standard, but it is also a member of the Wireless Power Consortium (A4WP) and PMA.
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