LTC4089 Datasheet (Linear Technology)

LTC4089, USB Power Manager

The LTC®4089/LTC4089-5 are USB power managers plus high voltage Li-Ion battery chargers.

These devices control 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

LTC4089 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 (LTC4089) nn Load Dependent Charging from USB Input Guarantees Current Compliance nn 215m Internal Ideal Diode plus Optio