Unlock instant, AI-driven research and patent intelligence for your innovation.

A multi-port chip with voltage detection circuit

A voltage detection circuit and multi-port technology, applied in the direction of measuring current/voltage, measuring devices, measuring electrical variables, etc., can solve the problems of complicated process and waste of time, and achieve the effect of reducing test time and improving test efficiency

Active Publication Date: 2021-08-17
SHANGHAI AWINIC TECH CO LTD
View PDF15 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current test method is to test each signal pin individually, so when there are multiple pins, multiple pins need to be tested serially, the process is complicated and time-consuming

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A multi-port chip with voltage detection circuit
  • A multi-port chip with voltage detection circuit
  • A multi-port chip with voltage detection circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0047] refer to figure 1 , figure 1 A schematic structural diagram of a multi-port chip with a voltage detection circuit provided by an embodiment of the present invention, the multi-port chip includes a pluralit...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a multi-port chip with a voltage detection circuit, the voltage detection circuit mainly includes a first voltage division module, a second voltage division module, a trimming module, a comparison module and a calibration logic module, and the calibration logic module is used for changing the fine-tuning signal according to the output signal of the comparison module to control the fine-tuning module, so that the difference between the voltage of the signal pin and the reference voltage satisfies the threshold, thereby realizing automatic detection, and the multiple The voltage detection circuit can simultaneously detect the corresponding signal pins, which greatly reduces the test time and improves the test efficiency compared with the serial detection method in the prior art.

Description

technical field [0001] The invention relates to the technical field of semiconductor integrated circuits, and more specifically relates to a multi-port chip with a voltage detection circuit. Background technique [0002] With the continuous advancement of semiconductor technology, various electronic devices have been used in people's daily life, and the application of integrated circuits in electronic devices has become more and more extensive. And as people have higher and higher requirements for equipment safety, the requirements for the integrated circuits used in them, especially the integrated circuits connected to the ports, are also getting higher and higher. [0003] For example, many high-end mobile phones require the interface to have a high-voltage protection function, that is, when the signal line of the port is exposed to high voltage, it can protect the internal low-voltage working devices from damage. The usual solution is to add an analog switch with overvol...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/257
Inventor 何永强罗旭程胡建伟程剑涛杜黎明孙洪军
Owner SHANGHAI AWINIC TECH CO LTD