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Switch Integrated Controller

A technology that integrates controllers and switches, applied in semiconductor devices, electro-solid devices, electrical components, etc., and can solve problems such as unfavorable product miniaturization

Active Publication Date: 2021-12-28
深圳深爱半导体股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the external resistor needs to occupy a certain area of ​​the printed circuit board (PCB), which is not conducive to the miniaturization of the product

Method used

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] figure 2 It is a schematic diagram of the circuit structure of an integrated switch controller in an embodi...

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PUM

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Abstract

The invention relates to a switch integrated controller and a triode chip. The switch integrated controller includes: a triode chip, the emitter and base of which are arranged in the middle of the triode chip, and the terminal structure surrounds the middle of the chip in a ring shape on a plane, thereby surrounding the emitter pole and base, the collector surrounds the terminal structure in a ring on the plane, the terminal structure includes a voltage withstand structure, an insulating layer on the voltage withstand structure, and a resistance structure on the insulating layer, and the resistance structure is electrically connected to the collector and the base ; a control circuit comprising a power port and a control port connected to the base via the same lead. The invention can realize the miniaturization of the switch integrated controller and save the PCB area.

Description

technical field [0001] The invention relates to a semiconductor device, in particular to a triode chip, and also to a switch integrated controller chip. Background technique [0002] Inside the switch integrated control device of the adapter or charger, there are two parts in total, one is the control circuit, and the other is the high-voltage power triode or field effect transistor. The control circuit controls the triode or field effect transistor to switch according to certain rules. overall functionality of the circuit. In conventional applications, the control circuit needs an external circuit to supply power to it, so a power supply pin is required, and at the same time, the external circuit of the power supply pin also needs to be connected to a resistor with a large resistance to protect the control circuit (control IC ), to save power consumption, as shown in the attached figure 1 shown. [0003] However, the external resistor needs to occupy a certain area of ​​...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L29/06H01L29/73H01L25/00
CPCH01L29/0615H01L29/7304H01L25/00
Inventor 李国延张智
Owner 深圳深爱半导体股份有限公司