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Burst mode-type power supply method and burst mode-type power supply device

A power supply device and power supply technology, which are applied in pulse processing, pulse technology, output power conversion devices, etc., can solve problems such as difficulties in designing power supply devices, and achieve the effect of saving energy

Inactive Publication Date: 2016-12-07
CHICONY POWER TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When a related art power supply device operates in the burst mode and a load connected to the related art power supply device changes (increases or decreases), each burst clump of the related art power supply device The number of pulses (pulse quantity), the pulse frequency (pulse frequency) in each pulse group of the power supply device of the related art, the pulse duty cycle of each pulse group of the power supply device of the related art (pulse duty cycle) or the burst frequency (burst frequency) of the pulse group of the power supply device of the related technology may change; therefore, it is difficult to optimize between saving energy and reducing ripple noise. technical power supply devices made difficult

Method used

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  • Burst mode-type power supply method and burst mode-type power supply device
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  • Burst mode-type power supply method and burst mode-type power supply device

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Embodiment Construction

[0036] For the detailed description and technical content of the present invention, please refer to the following detailed description and accompanying drawings as follows, and the accompanying drawings and detailed description are for illustration purposes only, and are not intended to limit the present invention.

[0037] Please refer to figure 1 , which is a flow chart of the first embodiment of the pulse intermittent mode power supply method of the present invention. The pulse intermittent mode power supply method of the present invention comprises the following steps:

[0038] S02: When a power supply device is working in a burst mode (burst mode), fix the pulse quantity (pulse quantity) in each burst clump of the power supply device, each pulse quantity of the power supply device The pulse frequency (pulse frequency) in the pulse group and the pulse duty cycle (pulse duty cycle) in each pulse group of the power supply device.

[0039] S04: Detect a load connected to th...

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Abstract

The invention provides a burst mode-type power supply method and a burst mode-type power supply device. The burst mode-type power supply device comprises a voltage input end, a power switching circuit, a voltage output end and a pulse width modulation signal generation circuit, wherein the pulse width modulation signal generation circuit controls the power switching circuit through a pulse width modulation signal, so that the burst mode-type power supply device enters a burst mode. After the burst mode-type power supply device enters the burst mode, the pulse quantity in each burst clump of the burst mode-type power supply device, the pulse frequency in each burst clump of the burst mode-type power supply device and the pulse duty cycle in each burst clump of the burst mode-type power supply device are fixed.

Description

technical field [0001] The invention relates to a power supply method and a power supply device, in particular to a pulse intermittent mode power supply method and a pulse intermittent mode power supply device. Background technique [0002] When the power supply device is in the standby mode or the light load mode, the power supply device will enter a burst mode to save energy. [0003] When a related art power supply device operates in the burst mode and a load connected to the related art power supply device changes (increases or decreases), each burst clump of the related art power supply device The number of pulses (pulse quantity), the pulse frequency (pulse frequency) in each pulse group of the power supply device of the related art, the pulse duty cycle of each pulse group of the power supply device of the related art (pulse duty cycle) or the burst frequency (burst frequency) of the pulse group of the power supply device of the related technology may change; therefo...

Claims

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Application Information

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IPC IPC(8): H02M1/00H03K5/00
Inventor 萧永鸿萧正昌
Owner CHICONY POWER TECH CO LTD
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