Highly integrated intelligent power distribution safety switch circuit

A technology of intelligent power distribution and safety switch, which is applied in the direction of circuit devices, emergency protection circuit devices, electrical components, etc., can solve the problems of large volume, unable to meet the requirements of intelligence, miniaturization, and modularization, and achieve volume reduction , The effect of circuit size reduction

Pending Publication Date: 2022-03-29
XIAN MICROELECTRONICS TECH INST
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the intelligent power distribution products in the prior art are large in size and cannot meet the intelligent, miniaturized, and modular requirements of power distribution management requirements for satellites, vehicles, and missiles.

Method used

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  • Highly integrated intelligent power distribution safety switch circuit

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0028] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0029] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are us...

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Abstract

The invention provides a highly integrated intelligent power distribution safety switch circuit, which is characterized in that each part of the intelligent power distribution safety switch circuit is subjected to chip collection design and integrated design to form three main chips, namely an isolation control chip, an isolation driving chip and a VDMOS (Vertical Double-diffused Metal Oxide Semiconductor) tube, and the three main chips are subjected to integrated assembly through a hybrid integrated circuit process; main circuit isolation control, I2T over-current protection, short-circuit protection, over-temperature protection, switch state feedback and tripping state feedback of the intelligent power distribution switch are integrated into two special chips, and the special chips and a VDMOS tube are adopted to develop the intelligent power distribution safety switch circuit, so that the size of the power distribution switch is greatly reduced; according to the invention, full-localized 0V-100V and 1A-25A intelligent power distribution safety switch series products suitable for aerospace models can be developed, and the circuit size is reduced by more than 1/3 compared with that of foreign like products. The requirements of intelligence, miniaturization and localization of the aerospace intelligent power distribution safety switch are met.

Description

technical field [0001] The invention belongs to the design technology of semiconductor hybrid integrated circuits, in particular to a highly integrated intelligent power distribution safety switch circuit. Background technique [0002] Smart power distribution is a major development direction of power electronics technology. Smart power distribution can realize self-detection of power distribution equipment, autonomous management of loads, effective isolation and recovery in the event of partial faults, and improve the intelligence of power distribution systems. With the integration and intelligentization of power distribution systems such as satellites and missiles, the development trend of intelligent power distribution is developing in the direction of high power, integration, intelligence and systematization. [0003] Most of the intelligent power distribution products in the prior art are large in size, which cannot meet the intelligent, miniaturized, and modular requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/08H02H5/04
CPCH02H3/08H02H5/04
Inventor 刘建红王昌鹏苏斌吴悦李逍王俊峰阳方林徐蓓谢浩
Owner XIAN MICROELECTRONICS TECH INST
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