Off-line battery charger

Details Off-line battery charger Off-line battery charger

1989-10-27

1991-09-03

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 31, 320 39, 320 57, 363126, H02J 700

Patent

active

050457683

ABSTRACT:
A universal battery charger circuit has polarized capacitors disposed in the input a-c lines to a bridge-connected rectifier. A voltage clamping circuit is connected to the d-c terminals of the bridge and diodes are connected in parallel with each of the polarized capacitors to define a circuit for the flow of charging current. Regulation circuits are provided for both battery voltage and charging current so that any battery of given voltage output can be charged from different input voltage sources.

REFERENCES:
patent: 3708738 (1973-01-01), Crawford
patent: 4152635 (1979-05-01), Scott, Jr.
patent: 4342955 (1982-08-01), Gant
patent: 4412278 (1983-10-01), Cambier

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