LTC4120 Datasheet Wireless Power Receiver and 400mA Buck Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

LTC4120 wireless power receiver and 400ma buck battery charger by Linear Technology (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	LTC4120
Manufacturer	Linear Technology (now Analog Devices)
File Size	1.11 MB
Description	Wireless Power Receiver and 400mA Buck Battery Charger
Datasheet	LTC4120 Datasheet

General Description

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 battery chemistries.

Overview

LTC4120/LTC4120-4.2 Wireless Power Receiver and 400mA Buck Battery.

Key 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 Voltage Accuracy n Programmable 5% Accurate Charge Current n No Microprocessor Required n No Transformer Core n Thermally Enhanced, Low Profile 16-Lead (3mm × 3mm × 0.75mm) QFN Package.

More Datasheets from Linear Technology (now Analog Devices)

Part Number	Description
LTC4120-4.2	Wireless Power Receiver and 400mA Buck Battery Charger
LTC4121	40V 400mA Synchronous Step-Down Battery Charger
LTC4121-4.2	40V 400mA Synchronous Step-Down Battery Charger
LTC4125	5W AutoResonant Wireless Power Transmitter
LTC4100	Smart Battery Charger Controller
LTC4101	Smart Battery Charger Controller
LTC4110	Battery Backup System Manager
LTC4150	Coulomb Counter/ Battery Gas Gauge
LTC4151	High Voltage I2C Current and Voltage Monitor
LTC4151-1	High Voltage I2C Current and Voltage Monitor