LTC3558 Datasheet (Linear Technology) - Linear USB Battery Charger

LTC3558, Linear USB Battery Charger

The LTC®3558 is a USB battery charger with dual high efﬁciency switching regulators.

The device is ideally suited to power single-cell Li-Ion/Polymer based handheld applications needing multiple supply rails.

Battery charge current is programmed via the PROG pin and the HPWR pin with capability up t

LTC3558 Features

* Battery Charger n Standalone USB Charger n Up to 950mA Charge Current Programmable via Single Resistor n HPWR Input Selects 20% or 100% of Programmed Charge Current n NTC Input for Temperature Qualiﬁed Charging n Internal Timer Termination n Bad Battery Detection Switching Regulators (Buck and Buck-