LTC4089-1 Datasheet (Linear Technology)

LTC4089-1, USB Power Manager

The LTC®4089-1 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

LTC4089-1 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 nn Load Dependent Charging from USB Input Guarantees Current Compliance nn 215mΩ Internal Ideal Diode plus Optional External Ideal Diode Controller Pr