Back Qi (estàndard) Catalan Qi (standard bezdrátového nabíjení) Czech Qi (induktive Energieübertragung) German Qi (estándar de electricidad por inducción) Spanish چی (استاندارد شارژ القایی) Persian Qi (standardi) Finnish Qi (standard) French Qi (standard) Italian Qi (ワイヤレス給電) Japanese Qi Korean
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| Status | Active |
|---|---|
| First published | 2010 |
| Latest version | 2.1 September 2024 |
| Organization | Wireless Power Consortium |
| Related standards | Ki Cordless Kitchen Medium Power standard |
| Domain | Inductive charging |
| License | Open standard |
| Copyright | Logo and trademark |
| Website | chargewithqi |
Qi (/tʃiː/ 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] Devices that implement the optional Magnetic Power Profile for magnetic attachment and alignment may be labelled Qi2 (/tʃiː tuː/ CHEE TOO).[2]
Qi version 1.0 was released in 2010; by 2017, it had been incorporated into more than 200 smartphones, tablets, and other devices.[3] In December 2023, 351 manufacturers were working with the standard, including Apple, Asus, Google, Huawei, LG Electronics, Samsung, Xiaomi, and Sony.[4]
As of April 2025[update], the current version of the Qi specification is 2.1., which incorporates Apple's MagSafe technology to enhance wireless charging through magnetic alignment. The current standard supports charging speeds of up to 15 watts and aims to improve compatibility across devices from various manufacturers.[5][6]
- ^ "An introduction to the Wireless Power Consortium standard and TI's compliant solutions" (PDF). Ti. Archived from the original (PDF) on 2015-05-29.
- ^ "Qi Wireless Charging". Retrieved 2025-01-08.
- ^ "Qi enabled Phones / Qi compatible Devices". Qi Wireless Charging. Retrieved September 27, 2017.
- ^ "Member Directory". Wireless Power Consortium. Retrieved 5 December 2023.
- ^ Hill, Simon. "What Is Qi2? The Wireless Charging Standard Goes Magnetic". Wired. ISSN 1059-1028. Retrieved 2025-04-03.
- ^ "History of the Qi Specifications". Wireless Power Consortium. Retrieved 2025-04-03.
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