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Adjustable-voltage output device and adjustment method for operation voltage

A technology of operating voltage and voltage output, which is applied in the conversion device of output power, regulating electric variable, converting DC power input to DC power output, etc., to achieve the effect of reducing production costs

Inactive Publication Date: 2014-09-24
INVENTEC PUDONG TECH CORPOARTION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the voltage generation unit generates the operating voltage according to the pulse width modulation signal

Method used

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  • Adjustable-voltage output device and adjustment method for operation voltage
  • Adjustable-voltage output device and adjustment method for operation voltage
  • Adjustable-voltage output device and adjustment method for operation voltage

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Embodiment Construction

[0033] figure 1 It is a schematic diagram of an adjustable voltage output device according to an embodiment of the present invention. Please refer to figure 1 , the adjustable voltage output device 100 includes a voltage generating unit 102 , a basic input and output system 104 and a pulse width modulation signal generating unit 106 . The pulse width modulation signal generation unit 106 is coupled between the voltage generation unit 102 and the BIOS 104 , and the pulse width modulation signal generation unit 106 can be, for example, a chipset or an embedded controller.

[0034] The adjustable voltage output device 100 is used for supplying the operation voltage required by the downstream device (not shown) connected to the adjustable voltage output device 100 . The voltage generating unit 102 is used for generating the operating voltage Vout according to the pulse width modulation signal S1. The PWM signal generating unit 106 is used for generating the PWM signal S1. The ...

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Abstract

The invention discloses an adjustable-voltage output device and an adjustment method for an operation voltage. A basic input and output system is used to adjust the work cycle of pulse-width modulation signals output by a pulse-width modulation signal generation unit so as to change the operation voltage output by a voltage generation unit.

Description

technical field [0001] The present invention relates to an adjustable voltage output device and a method for adjusting the operating voltage, and in particular relates to an adjustable voltage output device and a method for adjusting the operating voltage through a basic input and output system. Background technique [0002] With the advancement of science and technology, electronic products with various functions have been developed one after another. Since electronic products usually include multiple integrated circuits and different loads, their operating voltages are not all the same. Therefore, electronic products often need to be equipped with a power converter to convert a fixed level voltage into the operating voltage required by each integrated circuit. [0003] A power converter is a voltage conversion circuit that uses the alternating charging of an inductor and a capacitor. Power converters have various architectures, such as boost, buck, inverting, transformer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/155
CPCH02M3/156
Inventor 池生龙
Owner INVENTEC PUDONG TECH CORPOARTION