Switching circuit apparatus capable of controlling multiple switching elements to synchronously turn on and off with bootstrap circuit
US12160230B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Aug 31, 2021 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Aug 31, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/0081
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In a switching circuit apparatus, first and second capacitors apply power supply voltages to first and second drive circuits. First and second diodes are connected such that currents flow from a DC voltage source to the first and second capacitors. A resistor and a Zener diode are connected in series between a terminal and a node, such that a reverse bias voltage is applied from the terminal to the Zener diode via the resistor. A third diode is connected such that a current flows to the first capacitor from a node (N2) between the resistor and the Zener diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.