LTC4120 Datasheet (Linear Technology) - Wireless Power Receiver and 400mA Buck Battery Charger

LTC4120, Wireless Power Receiver and 400mA Buck Battery Charger

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 LTC4120-4.2 is suitable for charging Li-Ion/Polymer batteries, while the programmable float voltage of the LTC4120 accommodates several

LTC4120 Features

* n Dynamic Harmonization Control Optimizes Wireless Charging Over a Wide Coupling Range n Wide Input Voltage Range: 12.5V to 40V n Adjustable Float Voltage: 3.5V to 11V n Fixed 4.2V Float Voltage Option: LTC4120-4.2 n 50mA to 400mA Charge Current Programmed with a Single Resistor n ±1% Feedback V