Charging apparatus with a compensation circuit

Details Charging apparatus with a compensation circuit Charging apparatus with a compensation circuit

1994-08-12

1996-09-17

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 39, 320 51, H02J 704

Patent

active

055571921

ABSTRACT:
The charging time for rechargeable batteries which require constant voltage charging is reduced by compensating for IR losses in the battery pack circuitry. A voltage detection circuit measures battery pack terminal voltage and a charging control circuit insures that battery voltage does not exceed a reference voltage. The system is improved by a compensation circuit which at least compensates for resistance in circuitry other than the rechargeable battery.

REFERENCES:
patent: 3553562 (1971-01-01), Woods
patent: 5442274 (1995-08-01), Tamai

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