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Scalable protection voltage generator

一种保护电压、发生器的技术，应用在仪器、电气元件、调节电变量等方向，能够解决不能工艺技术降低等问题

Active Publication Date: 2016-06-01
STMICROELECTRONICS SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in many cases the externally supplied high voltage is fixed by past usage, convention or industry specifications and cannot be easily scaled down for process technologies that tolerate lower voltages

Method used

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Embodiment Construction

[0014] The making and using of the current embodiments are discussed in detail below. It should be appreciated, however, that the present disclosure provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the disclosed subject matter, and do not limit the scope of the various embodiments.

[0015] Embodiments will be described with respect to embodiments in a specific context, namely, a voltage protection circuit and a method of operating a voltage protection circuit. Certain of the embodiments herein include a scalable USB for use in a Universal Serial Bus (USB) device, a high-speed serial link, a computer, or any system capable of utilizing high-voltage signal processing using a low-voltage device. type voltage protection circuit. In other embodiments, aspects may also be applied to other applications involving any type of voltage pro...

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PUM

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Abstract

The invention relates to a scalable protection voltage generator. According to an embodiment, a circuit includes a protection voltage generator coupled to a first voltage node, a second voltage node, and a ground voltage node, the protection voltage generator configured to generate a plurality of protection voltages at a first plurality of nodes based on the first voltage node and the second voltage node, and a voltage protection ladder coupled between the first voltage node and a low voltage circuit, the voltage protection ladder coupled to the plurality of protection voltages at the first plurality of nodes, the voltage protection ladder configured to generate a first low voltage based on the first voltage node and the plurality of protection voltages.

Description

technical field [0001] The present invention generally relates to scalable protection voltage generation, and in particular to a design for a protection voltage generating circuit and a voltage protection ladder structure to protect low-voltage circuits and equipment. Background technique [0002] Most integrated circuits and devices are designed to run using a specific voltage supply (eg, 5V ± 10%) that their internal processing technology is designed to withstand. In modern integrated circuits and memories, as process feature sizes (eg, transistors) decrease and operating speeds increase, the need for higher voltage supplies decreases. However, in many cases the externally supplied high voltage is fixed by past usage, convention or industry specifications and cannot be easily reduced for process technologies that tolerate lower voltages. [0003] Therefore, there is a need in the art for a step-down circuit and voltage regulator for low voltage process integrated circuits...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/565
CPCG05F1/565H02M3/06H02M1/0022
Inventor P·巴拉H·阿德瓦尼
Owner STMICROELECTRONICS SRL