3W Emergency Light

Hi,

May i know what types of ADI IC which can be used to act as a power monitoring IC. The details as below:

AC input cut off, battery will trigger the LED to turn on.

When AC available, the power monitoring IC will trigger the battery to  charging & always keep battery in full capacity.

The overall circuit no have intention to use MCU is it ok?

The attached file below is the overall circuit block diagram. So i do not know what kind of hardware solution can be use to act as power monitoring IC in this block diagram. Please advise? Thank you so much.

3WEmergencyLight1.ppt
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