Wireless Power Transfer

The Analog Devices line of wireless power transfer products include receiver/chargers and transmitters, which help eliminate many of the issues that designers face when powering their applications through exposed ohmic contacts. Our wireless power transfer designs allow charging for completely sealed enclosures in applications that are exposed to dirty, humid or hazardous environments, require sterilization, or for those that are too small to use a conventional connector. Eliminating wires also allows for rechargeable batteries to be placed in moving or rotating equipment. Wireless charging can also provide transformer-less galvanic isolation for high reliability isolated applications. Our proprietary transmitter and receiver technology includes Dynamic Harmonization Control (DHC), which reduces alignment sensitivity and extends power transmission range.
Product Selection Table

Wireless Power Transfer

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SortOrderPart#Number of CellsMax Charge Current
(typ)
(A)
Float Voltage
(V)
Type of ChargerCharge TerminationCommentsPrice (1000+)
($ US)
1LTC4126-10 1 10m 4.1V, 4.2V Linear Timer 10mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter $2.65 (LTC4126EV-10#TRMPBF)
2LTC4124 1 100m 4.0V, 4.1V, 4.2V, 4.35V Linear Timer 100mA Wireless Li-Ion Charger with Low Battery Disconnect $2.65 (LTC4124EV#TRMPBF)
3LTC4126 1 7.5m 4.2V, 4.35V Linear Timer 7.5mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter $2.65 (LTC4126EV#TRMPBF)
4LTC4125 1-- Resonant Timer 5W AutoResonant Wireless Power Transmitter $4.00 (LTC4125EUFD#PBF)
5LTC4123 1 25m 1.5V Linear Timer Low Power Wireless Charger for Hearing Aids $2.65 (LTC4123EDC#TRPBF)
6LTC4120-4.2 1 400m 4.2V Switching Timer 400mA Wireless Power Receiver Buck Battery Charger, Fixed 4.2V Float $3.25 (LTC4120EUD-4.2#PBF)
7LTC4120 1, 2 400m Adj (3.5V to 11V) Switching Timer 400mA Wireless Power Receiver Buck Battery Charger, Adj. Float Voltage $3.25 (LTC4120EUD#PBF)