Power supply block with simplified switch configuration

Details Power supply block with simplified switch configuration Power supply block with simplified switch configuration

2005-03-08

2005-03-08

Nguyen, Matthew V. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C307S048000

Reexamination Certificate

active

06864669

ABSTRACT:
A power supply block is configured to provide a power supply path from at least one power source to an associated system. The power supply block includes a power conversion element, e.g., a DC to DC converter, coupled to at least one battery and to a DC power source. The power conversion element includes a conductive path configured to provide a charge path from the DC power source to the at least one battery and a discharge path from the at least one battery to the associated system. As such, the number of switches in a power supply block can be reduced. In addition, a system capacitor size can also be reduced. An electronic device with at least one rechargeable battery utilizing such a power supply block is also provided.

REFERENCES:
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patent: 5243269 (1993-09-01), Katayama et al.
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patent: 5523669 (1996-06-01), Oku et al.
patent: 6037750 (2000-03-01), Von Novak
patent: 6628011 (2003-09-01), Droppo et al.
patent: 6646415 (2003-11-01), Nebrigic et al.

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