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Printed circuit board comprising a plurality of power transistor switching cells in parallel

專利號(hào)
US11553595B2
公開日期
2023-01-10
申請(qǐng)人
IDéNERGIE INC.(CA Montreal)
發(fā)明人
Handy Fortin-Blanchette; Pierre Blanchet
IPC分類
H05K1/11; H05K1/18; H05K1/02
技術(shù)領(lǐng)域
transistor,power,dc,switching,legs,in,gate,circuit,printed,decoupling
地域: Montreal

摘要

A printed circuit board comprises N power switching cells operating in parallel and respectively comprising a transistor leg, at least one decoupling capacitor and a gate driver circuit. Each transistor leg comprises respective first and second transistors in series, a drain of the first transistor being connected to a positive DC line, a source of the second transistor being connected to a negative DC line, a source of the first transistor being connected to a drain of the second through a connection middle-point connected to an output terminal. Each gate driver circuit controls respective switching ON and OFF of the corresponding first and second transistors. The N transistor legs of the corresponding N power switching cells are positioned to substantially form a convex polygon having N edges of substantially the same length, each one of the N transistor legs being positioned along one of the edges of the convex polygon.

說(shuō)明書

FIG. 4 represents a design for integrating three power switching cells identical to the one illustrated in FIG. 2 in parallel, as is well known in the art;

FIG. 5 represents another power switching cell comprising two power transistors in series;

FIG. 6 represents a new design for integrating four power switching cells identical to the one illustrated in FIG. 5 in parallel;

FIG. 7 is a simplified version of the new design represented in FIG. 6;

FIG. 8 represents a printed circuit board integrating three power switching cells identical to the one illustrated in FIG. 5 in parallel; and

FIG. 9 represents a printed circuit board integrating five power switching cells identical to the one illustrated in FIG. 5 in parallel.

DETAILED DESCRIPTION

The foregoing and other features will become more apparent upon reading of the following non-restrictive description of illustrative embodiments thereof, given by way of example only with reference to the accompanying drawings.

權(quán)利要求

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