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Voltage-stabilizing circuit of multi-power system

A technology of voltage stabilizer circuit and multiple power supply

Inactive Publication Date: 2008-09-24
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the operating voltages of the first load RL1 and the second load RL2 are respectively reduced from the original first operating voltage VL1 and the second operating voltage VL2 to the first operating voltage VL1 minus the voltage Vg and the second operating voltage VL2 minus the voltage Vg, unlike the original design, the first reference voltage VREF1 is equal to the first working voltage VL1, and the second reference voltage VREF2 is equal to the second working voltage VL2. The problem of voltage instability, some design methods shorten the path of the power circuit, but this cannot meet the design requirements of long-distance remote voltage control

Method used

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Embodiment Construction

[0051] Please refer to FIG. 2 , which is a schematic circuit block diagram of an embodiment of the present invention. As shown in Figure 2, the voltage stabilizing circuit of the multi-power supply system of the present invention includes a first power supply controller 10, a first voltage stabilizing unit 11, a second power supply controller 20, a second voltage stabilizing unit 21, a first load RL1 and the second load RL2.

[0052] The first power controller 10 has an output terminal, a signal feedback terminal and a return terminal, wherein the output terminal outputs a current signal to the first load RL1, and the signal feedback terminal receives the first feedback signal output by the first voltage stabilizing unit 11 and returns The terminal is electrically coupled to the ground terminal.

[0053] The first voltage stabilizing unit 11 has two input terminals and one output terminal, the first input terminal of the first voltage stabilizing unit 11 is electrically coupl...

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Abstract

The invention discloses a voltage regulator circuit with a multiple-power-supply system, which comprises a plurality of power supply controllers; each powers supply controller is provided with an output end and a signal feedback end; each output end outputs a current signal and is electrically coupled with a load so as to receive the current signal, wherein, the output end of each power supply controller and the path of the signal feedback end are provided a voltage regulator which is used for respectively obtaining the two-end voltage difference of the load and is used for respectively outputting one feedback signal to the signal feedback end of the power supply controller according to the two-end voltage difference, wherein, each power supply controller respectively regulates the output current signal according to the feedback signal.

Description

technical field [0001] The invention relates to a voltage stabilizing circuit, in particular to a voltage stabilizing circuit of a multi-power supply system. Background technique [0002] In a multi-power supply system, usually multiple groups of power supplies share a reference potential (ground), and individual power supplies will cause a voltage difference on the path of the reference potential when they are working, making the voltage of the load unstable, and will also affect the sharing. other power supplies on the same ground. [0003] The current power supply design uses single-ended feedback to stabilize the load voltage, but sharing a reference potential at the same time will cause mutual influence between the power supplies and cause the load voltage to be more unstable. Please refer to Figure 1 for the current multi-group power supply. The block diagram of the voltage stabilizing circuit of the system is illustrated in Fig. 1 with two groups of power supply syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/46
Inventor 连进龙陈伟毅
Owner INVENTEC CORP
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