QI

AirFuel Alliance announces release of global At-A-Distance RF wireless charging standard

By Ross Denyer / February 13, 2023
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​AirFuel have announced the release of a global standard for over the air (OTA) RF wireless power transfer. This technology enables the wireless transfer of energy at relatively large distances (a few centimetres up to several metres). As this technology is still in its infancy and is yet to see any widespread adoption, industry standardisation […]

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The Vivomove Trend is the first Garmin watch to feature wireless charging

By Ross Denyer / February 13, 2023
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​The new Vivomove Trend from Garmin is the first Garmin watch to feature wireless charging. The Vivomove trend is not itself Qi certified, however, Garmin’s website claims that it is compatible with most Qi chargers. The option of wireless charging appears to be supplemental to the charging cable that is still shipped in the box […]

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New Qi2 standard for wireless devices ensures enhanced consumer convenience and efficiency

By Ross Denyer / February 13, 2023
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​The Wireless Power Consortium Qi standard is the dominant industry standard for wireless charging and is included in most smart phones on sale today. The WPC has announced an upcoming major update to Qi, known as Qi2. The new revision introduces several enhancements but has one fundamental change over the existing (Qi V1.3) specification, it […]

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Microchip enables Qi 1.3 wireless charging with authentication

By Ross Denyer / April 12, 2022
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The Wireless Power Consortium’s latest version of its Qi specification includes an authentication protocol which allows wireless power transmitters and devices being charged (wireless power receivers) to understand whether each holds a valid Qi certificate. Microchip have announced the new industrial grade TrustFLEX ECC608 and automotive grade Trust Anchor TA100 with Microchip secure key provisioning […]

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Renesas releases next-generation WPC Qi 1.3-certified reference design for automotive in-cabin wireless charging

By Ross Denyer / March 22, 2022
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Renesas, one of the largest manufacturers of microcontroller based wireless power solutions, have released a Qi v1.3 certified customer reference design for use in in-cabin automotive inductive chargers. This reference design is capable of supporting the Wireless Power Consortium’s Extended Power Profile (EPP) for charging speeds of up to 15W and proprietary charging profiles of […]

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