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Power supply system, electronic system and power on method thereof

A technology for electronic systems and power systems, applied in data processing power supplies, measuring devices, measuring flow/mass flow, etc., to solve the damage to internal components, the inability of electronic systems to reach the temperature range where active components work normally, and the inability of active components to work. normal work, etc.

Active Publication Date: 2014-07-16
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in an ultra-low temperature environment (for example, below 0 degrees Celsius), the active components in the electronic system may not work normally, which may easily cause the electronic system to start abnormally
Before the electronic system is turned on, the electronic system itself does not generate heat energy, so the temperature of the electronic system will not reach the temperature range where the active components can work normally
Therefore, in an ultra-low temperature environment, the electronic system may not be able to start up normally, and may even cause damage to internal components

Method used

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  • Power supply system, electronic system and power on method thereof
  • Power supply system, electronic system and power on method thereof

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Embodiment

[0022] figure 1 It shows the electronic system 100 according to an embodiment of the invention. In this embodiment, the electronic system 100 is a computer system, including a power supply 110, a central processing unit (CPU) 120, a chipset 130, a power switch 140, a delay unit 150, and a temperature sensor 160. Low Dropout regulator (LDO) 170. In other embodiments, the delay unit 150 can also be configured in the power supply 110 or in the chipset 130. First, when the power supply 110 receives the AC power ACin, it will generate a voltage signal V1 to the low dropout regulator 170. Then, the low-dropout voltage regulator 170 generates a low-dropout voltage signal VLDO to the chipset 130 according to the voltage signal V1 to serve as the operating / working voltage for the detection circuit 135 in the chipset 130. Then, when the user presses the power switch 140, the detection circuit 135 receives the start signal BTN from the power switch 140, and generates a start signal STAR...

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Abstract

An electronic system includes an integrated circuit, a delay unit and a power supply. The power supply generates a first voltage signal to the integrated circuit and a second voltage signal to the delay unit according to a start signal. When the integrated circuit generates heat according to the first voltage signal, the delay unit delays the second voltage signal for a specific time and then transmits the second voltage signal to the integrated circuit. The integrated circuit starts operating according to the second voltage signal.

Description

Technical field [0001] The present invention relates to an electronic system, in particular to an electronic system that can be turned on in an ultra-low temperature environment. Background technique [0002] Generally speaking, the electronic system must work in a certain temperature range to ensure the correct operation. However, the operating temperature of active components (such as integrated circuits, etc.) in electronic products mostly falls above 0 degrees Celsius. For example, the minimum operating temperature of integrated circuits is usually 0 degrees Celsius. [0003] Under the normal power-on condition, heat energy is generated inside the electronic system, which can keep the components inside the electronic system within the normal operating temperature range. However, in an ultra-low temperature environment (for example, below 0 degrees Celsius), the active components in the electronic system may not work properly, which may easily cause the electronic system to boo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/26
Inventor 郭能安杨良臣
Owner VIA TECH INC