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Power module of digital cluster baseband board

A technology of power modules and digital clusters, applied in simulators, energy industries, instruments, etc., can solve problems such as crashes and system paralysis, and achieve the effects of low cost, improved reliability, and low power ripple interference

Inactive Publication Date: 2017-01-25
许亚夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the power supply of the baseband board fails and cannot be detected and dealt with in time, it will cause partial paralysis or even collapse of the entire system

Method used

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  • Power module of digital cluster baseband board
  • Power module of digital cluster baseband board

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Embodiment Construction

[0013] like figure 1 As shown, it is an overall functional block diagram of a power supply module of a digital trunking baseband board according to the present invention. Adopt CPU+DSP+FPGA architecture, including power interface, power management chip DC-DC chip, LDO chip, power supply hot-swappable controller, anti-lightning and anti-surge circuit; the main points of its structure are: the power interface is 12V The power supply is connected to the power supply hot-swap controller through a resettable fuse and a π-type filter circuit; the power management chip DC-DC chip is monitored by a single-chip microcomputer, and the number of the DC-DC chips is 4, wherein, The model of one DC-DC chip is PTH12000W / L, the model of two DC-DC chips is LTC3615, and the model of one DC-DC chip is LM20215; the number of said LDO chips is two, and the models are TPS79525 and NCP565D2T respectively; The output end of the power supply hot-swap controller is connected to the DC-DC chip PTH12000...

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Abstract

The invention discloses a power module of a digital cluster baseband board. The power module adopting a CPU+DSP+FPGA architecture comprises a power interface, a power management chip DC-DC chip, LDO chips, a power supply hot plug controller and a lightning-preventing and anti-surge circuit, wherein the power interface is a 12V power supply connected with the power supply hot plug controller through a self-recovery type fuse and a pi type filter; the power supply management chip DC-DC chip is monitored by a single-chip microcomputer; the output end of the power supply hot plug controller is connected with the DC-DC chip PTH12000W / L, and the output end of the DC-DC chip PTH12000W / L is respectively connected with the LDO chips TPS79525 and NCP565D2T. The power module has the advantages that the power-on reliability and monitoring instantaneity of the baseband board are increased, maintenance efficiency is increased at the same time, and production cost is lowered.

Description

technical field [0001] The invention belongs to the technical field of trunking communication systems, and in particular relates to a power supply module of a digital trunking baseband board. Background technique [0002] With the rapid development of wireless high-speed services, the demand for broadband services of military trunking equipment is also becoming more and more significant. The trunking communication command and dispatch system is also moving towards the development direction of data broadband, business diversification, terminal multi-mode, and system IP. This puts high demands on the bandwidth and processing capacity of the baseband board in the trunking communication system. To ensure the baseband board's long-term and stable operation, the power supply system is very important. If the power supply of the baseband board fails and cannot be detected and dealt with in time, it will cause partial paralysis or even collapse of the entire system. In order to ensu...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/042G05B2219/25314Y02P80/10
Inventor 许亚夫
Owner 许亚夫