LTC4089-3 Datasheet - Linear

LTC4089-3 USB Power Manager

The LTC®4089-3 is a USB power manager plus high voltage Li-Ion battery charger. This device controls the total current used by the USB peripheral for operation and battery charging. Battery charge current is automatically reduced such that the sum of the load current and the charge current does not .

LTC4089-3 Features

* nn Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V External Supply nn High Efficiency 1.2A Charger from 6V to 36V Input with Adaptive Output Control nn 3.95V Float Voltage Improves Battery Lifespan and High Temperature Safety Margin nn Load Dependent Charging from USB I

LTC4089-3-Linear.pdf