Igniter semiconductor device, igniter system, and ignition coil unit
US-2016273508-A1 · Sep 22, 2016 · US
Semiconductor device
US10620650B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10620650-B2 |
| Application number | US-201916260198-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 29, 2019 |
| Priority date | Mar 19, 2018 |
| Publication date | Apr 14, 2020 |
| Grant date | Apr 14, 2020 |
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- Title
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Abstract
Official abstract text for this publication.
A semiconductor device having an input terminal and an output terminal. The semiconductor device includes a power semiconductor element having a first main terminal connected to the output terminal, a second main terminal that is grounded and a gate terminal, and an active clamping circuit including a Zener diode and a diode connected in inverse series between the gate terminal and the first main terminal of the power semiconductor element. The semiconductor device further includes a clamp voltage switching circuit configured to switch a clamp voltage of the active clamping circuit according to a change in a voltage of the output terminal relative to the ground at a time when the power semiconductor element is turned off, the clamp voltage being switched to a first clamp voltage and a second clamp voltage, respectively, when the change in the voltage is not, and is, positive.
First claim
Opening claim text (preview).
What is claimed is: 1. A semiconductor device having an input terminal and an output terminal, the semiconductor device comprising: a power semiconductor element having a first main terminal connected to the output terminal of the semiconductor device, a second main terminal connected to the ground, and a gate terminal; an active clamping circuit including a Zener diode and a diode connected in inverse series between the gate terminal and the first main terminal of the po…
Assignees
Inventors
Classifications
- G05F1/573Primary
Physics · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US10620650B2 cover?
- A semiconductor device having an input terminal and an output terminal. The semiconductor device includes a power semiconductor element having a first main terminal connected to the output terminal, a second main terminal that is grounded and a gate terminal, and an active clamping circuit including a Zener diode and a diode connected in inverse series between the gate terminal and the first ma…
- Who is the assignee on this patent?
- Fuji Electric Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G05F1/573. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 14 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).