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The Wireless Power Consortium (WPC) is a multinational technology consortium formed on December 17, 2008, and based in Piscataway, New Jersey. Its mission is to create and promote wide market adoption of its interface standards Qi , Ki Cordless Kitchen, and Qi Medium Power for inductive charging .
The A4WP was formed in early 2012 with the intent to create a wireless power transfer standard to compete with the existing Qi standard. Board member companies [ 5 ] included Broadcom , Gill Electronics, Integrated Device Technology (IDT) , [ 6 ] Intel , [ 7 ] [ 8 ] Qualcomm , Samsung Electronics , [ 9 ] Samsung Electro-Mechanics , and WiTricity .
[13] [16] [91] Capacitive coupling has recently been applied to charging battery powered portable devices [4] as well as charging or continuous wireless power transfer in biomedical implants, [5] [6] [7] and is being considered as a means of transferring power between substrate layers in integrated circuits. [92] Two types of circuit have been ...
The first standard for vehicle wireless charging was the SAE J2954 standard. It allows inductive car charging over a pad, with power delivery up to 11 kW. [23] As of 2024, standards for higher-power wireless charging and for charging while driving are being developed. [24]
Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]
Wi-Charge was founded in 2012 by Victor Vaisleib, Ori Mor and Ortal Alpert. The company is developing a unique far-field wireless power technology based on infrared laser beams. In 2015, Wi-Charge demonstrated its first prototype capable of charging small electronic devices. [1]
Qualcomm claims Quick Charge 3.0 is up to 4–6 °C cooler, 16% faster and 38% more efficient than Quick Charge 2.0, and that Quick Charge 3.0 with Dual Charge+ is up to 7–8 °C cooler, 27% faster and 45% more efficient than Quick Charge 2.0 with Dual Charge. [4] Quick Charge 4 was announced in December 2016 for the Snapdragon 835 and later ...
The technology is sometimes called "conductive wireless charging". [1] The need for a conductor-to-conductor connection between the power supply and the device is the main difference from inductive charging and other forms of wireless charging. The conductive power supply, often a charging base or pad, detects when a compatible receiver or ...