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AUR9811D - LI-ION/LI POLYMER BATTERY CHARGER

General Description

The AUR9811D is a highly-integrated battery charger for single-cell Li-ion or Li-polymer batteries capable of operating with an input voltage reached 2.5V.

It is a complete charger device designed to work with an USB port or 5V output AC adapter.

Key Features

  • include preconditioning of an over-discharged battery and charging the battery in a safe temperature range with an NTC thermistor interface. The thermally enhanced DFN package is offered for space limited handheld.

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AUR9811D LI-ION/LI POLYMER BATTERY CHARGER Description Pin Assignments The AUR9811D is a highly-integrated battery charger for single-cell Li-ion or Li-polymer batteries capable of operating with an input voltage reached 2.5V. It is a complete charger device designed to work with an USB port or 5V output AC adapter. (Top View) Pin 1 Mark The AUR9811D operates with CC (constant current) mode and CV (constant voltage) mode profiles. A low-current preconditioning charge mode is also provided as a trickle charging operation. The charge current is programmable up to 1A with an external resistor or a logic input. The charge voltage is 1% accurate over the full application range.