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System-on-chip

A system-on-chip, N-type technology, applied in control/regulating systems, instruments, adjusting electrical variables, etc., can solve problems such as easy burnout of the system-on-chip

Pending Publication Date: 2020-02-21
SHENZHEN WINSEMI MICROELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present application provides a system on a chip to solve the problem that the system on a chip is easy to burn in the prior art

Method used

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solutions of the present application, a system-on-a-chip provided by the invention will be further described in detail below with reference to the drawings and specific embodiments.

[0028] This application provides a system on chip, please refer to figure 1 , figure 1 It is a schematic circuit diagram of an embodiment of the system on chip of the present application. The SoC 100 includes a power pin VDD, a ground pin GND, an anti-static unit 11 , an anti-reverse connection unit 12 and other circuits.

[0029] The anti-static unit 11 and the anti-reverse connection unit 12 constitute a protection unit, which can protect the system on chip 100 and prevent the system on chip 100 from being burned by excessive current. Other circuits in the SoC 100 may include other functional circuits, such as control circuits, communication circuits, display circuits, and so on. The system-on-chip 100 havi...

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PUM

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Abstract

The invention discloses a system-on-chip, which comprises a power supply pin, a grounding pin, an anti-static unit and an anti-reverse connection unit, and is characterized in that the anti-static unit is connected between the power supply pin and the grounding pin through the anti-reverse connection unit, and the power supply pin and the grounding pin of the system-on-chip are connected with an external power supply; when the system-on-chip works normally, the anti-static unit carries out static protection on the power supply pin by means of the conducted anti-static unit; and when the external power supply is reversely connected between the power supply pin and the grounding pin of the system-on-chip, the reverse connection preventing unit is cut off to prevent the reversely connected external power supply from directly connecting the positive electrode and the negative electrode of the external power supply through the anti-static unit. The system-on-chip is provided with the anti-static unit and the anti-reverse connection unit, so that static electricity of the power supply pin of the system-on-chip can be effectively conducted, current can be cut off when a power supply is reversely connected, and the system-on-chip and the power supply are protected from being burnt.

Description

technical field [0001] The present application relates to the technical field of electronic devices, in particular to a system on chip. Background technique [0002] System on Chip (System on Chip, SOC) is a technology commonly used in the field of integrated circuits. Its purpose is to combine multiple integrated circuits with specific functions on one chip to form a system or product, which includes the completed hardware system and the Embedded Software. SoCs have obvious advantages in performance, cost, power consumption, reliability, and life cycle and scope of use. [0003] However, the system on a chip also has safety problems, such as circuit static electricity or external power reverse connection. The static electricity in the circuit is rapidly generated with extremely high intensity, up to several thousand volts, which can generate enough heat to melt the internal circuit of the system-on-chip in a short period of time, causing irreversible damage. And when the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/78
CPCG06F15/7807H01L27/0266H01L27/0255H01L27/0248H01L29/0611
Inventor 宋利军宋朋亮穆娅娅党希
Owner SHENZHEN WINSEMI MICROELECTRONICS