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Device and method for reducing switching losses in power transistors

  • A device including a first and second monitoring unit, the first monitoring unit detecting a first voltage potential and the second monitoring unit detecting a second voltage potential, the monitoring units comparing the first voltage potential and the second voltage potential to the value of the supply voltage and activate a control unit as a function of the comparisons, the control unit determining a switching point in time of a second power transistor, and an arrangement being present which generates current when the second power transistor is being switched on, the current changing the first voltage potential, and the control unit activates a first power transistor when the first voltage potential has the same value as the supply voltage, so that the first power transistor is de-energized.

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Author of HS ReutlingenFunk, Tobias; Wicht, Bernhard; Wittmann, Jürgen
Document Type:Patent / Standard / Guidelines
Publication year:2017
Page Number:8
Patent Number:US020170110957A1
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open access?:Nein