Robust LC full-wave bridge rectifier input structure

Details Robust LC full-wave bridge rectifier input structure Robust LC full-wave bridge rectifier input structure

1998-01-15

2000-04-18

Nguyen, Matthew

Electric power conversion systems

Current conversion

Using semiconductor-type converter

H02M 7217

Patent

active

060522992

ABSTRACT:
A Full-Wave Bridge Rectifier (FWBR) input structure for use in an electrical system is delineated comprising, in combination, a pair of input nodes, and a pair of parasitic BJTs coupled in parallel with the pair of input nodes wherein each parasitic BJT has more than one collector. The input structure also includes an inductor and a capacitor connected in parallel across the pair of input nodes; however, one or more inductors, one or more capacitors, a transformer, or the like could be substituted. Each parasitic BJT also has a base coupled to ground through a resistor, a collector tied directly to ground, and another collector tied to a supply voltage VDD through a resistor. The area associated with each emitter is smaller than the area associated with their respective collector coupled to VDD. This arrangement of the parasitic BJTs assists in minimizing their gain in order to diminish their draw on a downstream power supply.

REFERENCES:
patent: 3913125 (1975-10-01), Geller et al.
patent: 4262574 (1981-04-01), Hoehn
patent: 4266100 (1981-05-01), Hoppner et al.
patent: 4777580 (1988-10-01), Bingham
patent: 5449936 (1995-09-01), Paparo et al.
PCT International Search Report dated Jun. 17, 1999.

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