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Electronics and components for high-efficiency power circuits

A technology of electronic components and rectifier devices, which is applied in semiconductor/solid-state device components, electric solid-state devices, output power conversion devices, etc., and can solve problems such as high electrical noise, low switching speed, and electromagnetic interference

Active Publication Date: 2015-09-02
TRANSPHORM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although Si power devices are relatively inexpensive, they suffer from a number of disadvantages, including relatively slow switching speeds and high levels of electrical noise, often referred to as electromagnetic interference or EMI

Method used

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  • Electronics and components for high-efficiency power circuits
  • Electronics and components for high-efficiency power circuits
  • Electronics and components for high-efficiency power circuits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] In high power switching circuits, such as in figure 1 In the boost converter in , switching losses occur every time the transistor 11 is switched from off to on or from on to off. Switching losses include RC charging losses and jumper losses. Such as figure 2 As shown in the representative plots of transistor source-drain current versus time and source-drain voltage versus time shown in switch During this period, the voltage 17 across the transistor increases and the current 16 through the transistor decreases (conversely, during the time the transistor switches from off to on, the voltage across the transistor decreases and the current through the transistor increases). The instantaneous cross-connect power loss during switching is given by the product of the current through the transistor and the voltage across the transistor, and the total energy loss during switching is given by the time integral of the power loss over the entire switching time. Reduce transisto...

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PUM

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Abstract

An electronic component includes a III-N transistor and a III-N rectifying device both encased in a single package. A gate electrode of the III-N transistor is electrically connected to a first lead of the single package or to a conductive structural portion of the single package, a drain electrode of the III-N transistor is electrically connected to a second lead of the single package and to a first electrode of the III-N rectifying device, and a second electrode of the III-N rectifying device is electrically connected to a third lead of the single package.

Description

technical field [0001] Power switching circuits and components for use in power switching circuit applications to implement power circuits with very high efficiency are described. Background technique [0002] As electricity consumption continues to increase worldwide, power supplies and power converters are becoming increasingly important in our society. figure 1 A schematic circuit diagram of the main elements of a boost mode DC-to-DC power converter (referred to herein as a "boost converter") is shown in . The boost converter circuit includes inductors 10 and 14 , switching devices (ie transistor 11 ), rectification devices (ie diode 12 ), and charge storage devices (ie capacitors 13 and 15 ). During the time that transistor 11 is on, inductor 10 maintains the entire input voltage, and an input current flows through inductor 10 and transistor 11 while electrical energy is stored in inductor 10 as magnetic energy. At the same time, diode 12 prevents capacitor 13 from dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L23/58H02M3/155
CPCH01L24/43H01L2924/12032H01L2224/48247H01L23/49575H03K17/567H02M7/003H01L2924/1306H01L2224/4917H01L23/552H01L2924/13091H01L2924/30107H01L24/48H01L23/49562H01L2924/1305H01L27/0605H01L2224/43H01L25/18H01L2924/13062H01L27/0629H01L27/085H01L2924/13055H01L2224/48137H01L2924/00014H01L2924/13063H01L2224/48257H01L2224/49171H01L24/49H01L2224/48195H01L2924/00H01L2224/45099H01L2224/05599
Inventor 吴毅锋
Owner TRANSPHORM INC