Qi

E144648

Qi is a widely adopted open wireless charging standard that enables compatible devices to charge inductively on charging pads without physical connectors.

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All labels observed (1)

Label Occurrences
Qi canonical 10

Statements (46)

Predicate Object
instanceOf inductive charging standard
wireless charging standard
abbreviationFor “Qi” (pronounced “chee”) from the Chinese word for vital energy
applicationDomain consumer electronics
small electronic devices
smartphones
smartwatches
tablets
wireless earbuds cases
benefit convenient drop‑and‑charge experience
enables sealed or water‑resistant device designs
reduces wear on physical connectors
chargingMode static placement on pad (no long‑distance power transfer)
communicationMethod low‑power communication between charger and device for control
competesWith proprietary wireless charging solutions
designGoal cross‑brand compatibility for chargers and devices
universal wireless charging ecosystem
enables charging without physical connectors
wireless charging
feature backward compatibility across Qi generations
foreign object detection
interoperability between certified chargers and devices
over‑current protection
over‑voltage protection
temperature control mechanisms
governingBody Wireless Power Consortium
interoperabilityProgram Qi certification program
logo Qi wordmark and symbol indicating compatibility
marketAdoption commonly available in public charging spots
widely adopted by major smartphone manufacturers
powerRange up to 15 W for fast wireless charging in later versions
up to 5 W in early versions
requires Qi‑certified transmitter (charging pad)
Qi‑compatible receiver in the device
compliance testing for Qi certification
safetyStandard limits electromagnetic field exposure within regulatory guidelines
standardizedBy Wireless Power Consortium specifications
supports alignment guides or coils for efficient coupling
charging on compatible charging pads
short‑range power transfer
wireless power transfer
technologyType open standard
useCase desk and bedside charging pads
integrated charging in furniture
in‑car wireless charging trays
uses inductive coupling

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.