H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 1/00 (2006.01) H02M 3/158 (2006.01) H03K 17/0812 (2006.01) H03K 17/12 (2006.01)
Patent
CA 2097547
A system for sharing of switching losses of parallel transistors is disclosed. The system includes a plurality of switching transistors connected in parallel for providing a current to a load. A pulse generator provides pulse width modulated pulse cycles in response to the load current each pulse cycle having a pulse signal. An alternate selector is responsive to said pulse cycles, and provides the pulse cycles to the transistors, such that for each pulse cycle a predetermined transistor turns ON substantially prior to the other transistors, dissipating substantially all the turn ON losses, and a predetermined transistor turns OFF substantially later than other transistors, dissipating substantially all the turn OFF losses.
Kollmorgen Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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