LT1579-5, A 9V Battery Backs Up Five NiMH Cells

Reference design by: Analog Devices

LT1579-5, A 9V Battery Backs Up Five NiMH Cells
Typical application of the LT1579 with primary power supplied by five NiMH cells and backup provided by a 9V alkaline. Both low-battery comparators are used, they report the condition of the primary and backup batteries to a Microprocessor

Reference designs