DC-DC Converter for charging a battery by means of a solar cell

Details DC-DC Converter for charging a battery by means of a solar cell DC-DC Converter for charging a battery by means of a solar cell

1979-06-04

1981-06-16

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

307580, 320 61, 331112, 363 18, H02J 710, H02M 3335, H03K 1760

Patent

active

042740444

ABSTRACT:
A DC-DC converter is described of the blocking oscillator type, for charging a battery from a solar cell. The use of a field effect transistor enables the oscillation to be started by the voltage from a single solar cell, even if the battery is fully exhausted. The overall efficiency of the circuit is improved by the use of the base-emitter junction of the switching transistor of the converter as rectifying element for the battery charging current.

REFERENCES:
patent: 2854614 (1958-09-01), Light
patent: 2881380 (1959-04-01), Kruger
patent: 3681674 (1972-08-01), Terry, Jr.
patent: 4015609 (1977-04-01), Mensink et al.

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