Current stabilizing circuit

Details Current stabilizing circuit Current stabilizing circuit

1993-02-11

1995-05-16

Stephan, Steven L.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

G05F 110

Patent

active

054164036

ABSTRACT:
A circuit topology useable in a battery impedance tester to latch a source current to a constant magnitude includes an inductor, a comparator, a driver and a storage capacitor. The inductor is connected in series with a current path between a source and a load. The inductor produces a voltage drop that changes with current drawn by the load. Responsive to the voltage drop, the driver provides the load with current supplied from the storage capacitor. The current provided by the driver returns the source current to the constant magnitude.

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"An Evaluation of Commercial Battery Discharge Indicators", M. L. Whitehead, Apr. 1981, 60 pp., ERA Technology Limited, Surrey, England.

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