Complete battery charger solution for high current portable electronics
3.5A charger for Li-Ion/LiFePO4 batteries multiplexes USB and wall inputs
George H. Barbehenn
Abstract
The LTC4155 and LTC4156 dual multiplexed-input battery chargers are described. They implement an overvoltage and reverse-voltage protected, prioritized input multiplexer for products that need to support multiple system power or battery charging functionality.
Keywords
LTC4155
LTC4156
battery charger
dual input multiplexer
Introduction
The LTC4155 and LTC4156 are dual multiplexed-input battery chargers with PowerPath control, featuring I2C programmability and USB On-The-Go for systems such as tablet PCs and other high power density applications. The ...
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