Power management integrated circuit LTC3554

  
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This micropower multifunction power management integrated circuit (PMIC) is designed using LTC3554 manufactured by Linear Technology Corporation and is a solution for portable Li-Ion Polymer battery-based applications. This micropower multifunction power management integrated circuit integrates a USB-compatible linear PowerPath manager, a stand
Power management integrated circuit LTC3554 - schematic

-alone battery charger, two high efficiency synchronous buck regulators and pushbutton control. The LTC3554`s PowerPath manager with automatic load prioritization seamlessly manages the transition between multiple input sources to power the load, while delivering up to 400mA battery charge current from a USB port or 5V wall adapter supply. The input current limit is pin-selectable and internally set (no external resistor is required).



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