Battery charging system with power management of plural peripher

Details Battery charging system with power management of plural peripher Battery charging system with power management of plural peripher

1995-07-25

1996-04-02

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 43, 379322, 379332, H01M 1044, H01M 1046

Patent

active

055044131

ABSTRACT:
A battery charging system (10) includes a charger (12), power supply (14), electrical device (16), external battery (18), and peripheral device (20). The charger (12) provides connections between the various components such that the electrical device (16), which is a portable electronic device, may communicate with the peripheral device (20). The components are kept small by providing the power supply (14) with a feedback input (26). The power supply generates a voltage output (24) which is at a preselected differential above the feedback level, thus minimizing overhead voltage levels and allowing efficient linear regulation in the electrical device (16) for battery recharging.

REFERENCES:
patent: 4709202 (1987-11-01), Koenck et al.
patent: 5254931 (1993-10-01), Martensson
patent: 5351283 (1994-09-01), Kunitomo

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