LTC3559 Datasheet (Linear Technology) - Linear USB Battery Charger

LTC3559, Linear USB Battery Charger

The LTC®3559/LTC3559-1 are USB battery chargers with dual high efﬁciency buck regulators.

The parts are 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 capabilit

LTC3559 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 n CHRG Indicates C/10 or Timeout Buc