Efficient battery transfer circuit

Details Efficient battery transfer circuit Efficient battery transfer circuit

H - Electricity

02

J

H02J 9/06 (2006.01) G06F 1/26 (2006.01) G06F 1/30 (2006.01) G11C 5/14 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2350435

The present invention is a battery transfer circuit connected to a load, a power supply for powering the load with at least a minimum supply voltage during normal operating conditions, and a source of battery voltage for powering the load during a power fail condition when the power supply is unable to power said load at the minimum supply voltage. The battery transfer circuit comprises a first circuit for applying at least the minimum supply voltage to the load during normal operating conditions and a second circuit for charging the battery to an optimal voltage greater than the minimum supply voltage and for down-regulating the optimal charge voltage to a predetermined voltage and for applying the predetermined voltage to the load during the power fail condition, wherein the predetermined voltage is less than the minimum supply voltage.

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