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High voltage power apparatus

A technology of high-voltage power supply and current source, applied in the field of high-voltage devices, can solve the problems of collapse of medium-voltage switching elements, limited range, limited output voltage range, etc.

Active Publication Date: 2018-08-03
ILI TECHNOLOGY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, medium-voltage switching elements in high-voltage installations may not be able to withstand the high voltage and collapse
In addition, the current high-voltage devices using medium-voltage switching elements generally have a limited range of internal operating voltages, resulting in a limited range of output voltages

Method used

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  • High voltage power apparatus
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Embodiment Construction

[0084] In order to make the content of the present invention easier to understand, the following specific embodiments are taken as examples in which the present invention can actually be implemented. In addition, wherever possible, elements / members using the same reference numerals in the drawings and embodiments represent the same or similar parts.

[0085] Please refer to the following figure 1 , figure 1 It is a schematic diagram of a circuit structure of a high voltage power supply device according to an embodiment of the present invention. The high voltage power supply device 100 may include two first medium voltage switches MP11 and one first medium voltage switch MP12 , two first switch series groups 110 , a second switch series group 120 and a first current source 130 , but is not limited thereto. It is worth mentioning that the number of first switch series groups configured in the present invention is equal to the number of first medium voltage switches. Furthermo...

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Abstract

The invention provides a high voltage power supply device, comprising M first medium voltage switches, M first switch series groups, second switch series groups and L first current sources, wherein Mis an integer greater than or equal to 2, and L=M-1. The M first switch series groups include an auxiliary switch series group and L bias switch series groups. The M first medium voltage switches areserially connected between the power supply voltage and the output end of the high voltage power supply device, and are respectively controlled by M first bias voltages to transmit the power supply voltage to the output end. The first end of each of the first switch series is coupled to the power supply voltage, and the second end generates a corresponding first bias voltage. The second switch series is coupled between the second end of the auxiliary switch series group and the ground voltage and controlled by a control signal. Each of the first current sources is coupled between the second end of the corresponding bias switch series groups and the ground voltage.

Description

technical field [0001] The invention relates to a high-voltage device, in particular to a high-voltage power supply device which adopts a medium-voltage switch to transmit high voltage. Background technique [0002] Theoretically, a high voltage switch element can be used in a high voltage device, so that the high voltage device can provide the high voltage required by the load. However, compared with the medium voltage switching element, the circuit area of ​​the high voltage switching element is usually much larger than that of the medium voltage switching element, and the on-resistance value of the high voltage switching element is also smaller than that of the medium voltage switching element. big. In addition, the critical voltage of the high-voltage switching element is relatively high, the speed is relatively slow, and the matrix effect is serious, so that the cost of the high-voltage device using the high-voltage switching element is relatively high, and the perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/00
CPCH02M1/00H02M1/0083
Inventor 黄耀德高振凯胡志佳林家庆
Owner ILI TECHNOLOGY CORPORATION