Electric power conversion systems – Current conversion – With voltage multiplication means
Patent
1996-07-03
1997-09-16
Nguyen, Matthew V.
Electric power conversion systems
Current conversion
With voltage multiplication means
363 59, H02M 318
Patent
active
056687109
ABSTRACT:
A charge pump circuit including two transfer capacitors, two reservoir capacitors and a plurality of switches. The transfer capacitors are charged to Vin when the charge pump circuit is in a first operating state, the transfer capacitors are connected in a first series arrangement to apply a +2 Vin charge to one of the reservoir capacitors when the charge pump circuit is in a second operating state, and the transfer capacitors are connected in a second series arrangement to apply a -2 Vin charge to the other of the reservoir capacitors when the charge pump circuit is in a third operating state. A control circuit is provided to control the plurality of switches such that the charge pump circuit enters the first through third operating states is a predetermined sequence.
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patent: 4888677 (1989-12-01), Grimm et al.
patent: 4897774 (1990-01-01), Bingham et al.
patent: 5306954 (1994-04-01), Chan et al.
patent: 5339236 (1994-08-01), Tamagawa
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Caliboso Amado A.
Tasdighi Ali
Tero John P.
Bever Patrick T.
Nguyen Matthew V.
TelCom Semiconductor, Inc.
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