Solutions Search - LTC4120/LTC4120-4.2 - Wireless Power Receiver and 400mA Buck Battery Charger
DC2386A-B - Wireless Power Transfer Demonstration Kit featuring the LTC4125EUFD and the LTC4120EUD
Feb 29th 2016
Demonstration kit DC2386A is a kit of the DC2330A LTC®4125EUFD demonstration board, the DC2445A-A/ DC2445A-B LTC4120EUD demonstration board, and an assortment of different length standoffs. The DC2330A can deliver up to 1.68W to the receive board with up to 12mm spacing between the transmit and receive coils.
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DC2181A-B - LTC4120EUD Demo Board | Wireless Power Receiver and 400mA Buck Battery Charger with Adjustable charge voltage and separate receiver coil. DC2181A-B requires a transmitter such as DC1969A-B or the Proxi-Point Power-by-Proxi transmitter.
Nov 7th 2014
Demonstration circuit 2181A-B features the LTC®4120EUD wireless power receiver with 400mA synchronous step-down CC/CV battery charger. The DC2181 is used with the DC1968A wireless power transmitter or the PowerByProxi ProxiPoint transmitter. Either can deliver 2W to the DC2181, with up to 10mm spacing between the transmitter ...
DC2181A-A - LTC4120EUD-4.2 Demo Board | Wireless Power Receiver and 400mA Buck Battery Charger with Fixed 4.2V charge voltage and separate receive coil. DC2181A-A requires a transmitter such as DC1969A-B or the Proxi-Point Power-by-Proxi transmitter.
Oct 27th 2014
Demonstration circuit 2181A-A features the LTC4120-4.2 wireless power receiver with 400mA synchronous step-down CC/CV (4.2V charge voltage) battery charger. The DC2181 is used with the DC1968A wireless power transmitter or the PowerByProxi ProxiPoint transmitter. Either can deliver 2W to the DC2181, with up to 10mm spacing between ...
Doubling the LTC4120 Wireless Power Receiver for Higher Battery Charge Current
Aug 27th 2014
The LTC4120 is a constant-current/constant-voltage wireless receiver and battery charger. The charge current is programmed up to 400mA with an external resistor. If more than 400mA is required, then use two LTC4120 devices operating in parallel as shown in this schematic. In this case the two LTC4120 operate from one transmitter ...
Wireless Power Receiver Enables Compact and Efficient Contactless Battery Charging
Dec 30th 2013
Batteries provide power to many different applications across a wide range of industries. Wireless charging enables those applications where it is difficult or impossible to use a connector. Examples include products that need to operate in harsh environments or need to be cleaned or sterilized as well as products that are ...
Frequently Asked Questions: Wireless Power Transfer (WPT) & LTC4120
Oct 31st 2013
Q. What is wireless power transfer (WPT)?
A. Wireless Power Transfer (WPT) is the process where electrical energy is transmitted from a power source to an electrical load across an air gap using induction coils. These coils produce an electromagnetic field which sends energy from a charging base station (transmitter) to a coil ...
400mA Wireless Power Receiver Simplifies Contactless Battery Charging Across a 1.2cm Air Gap
Oct 7th 2013
MILPITAS, CA – October 7, 2013 – Linear Technology Corporation
introduces the LTC4120, a first for the company in the wireless
battery charging space. The LTC4120 combines a wireless power
receiver with a constant-current/constant-voltage battery charger,
functioning as the receive circuit component in a complete wireless
power ...
LTC4120 Wireless Power Receiver and 400mA Buck Battery Charger
Oct 4th 2013
The LTC®4120 is a constant-current/constant-voltage wireless receiver and battery charger. An external programming resistor sets the charge current up to 400mA. The programmable float voltage of the LTC4120 accommodates several battery chemistries. The LTC4120 uses a Dynamic Harmonization Control (DHC) technique that allows ...
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