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Low ripple switching power supply for thermoelectric driving based on resonance analysis

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A low ripple switching power supply with 0-12 V voltage and 35 A maximum current outputs is developed for the application of high-precision thermoelectric circulating water cooling. In order to suppress the voltage ripple in the output caused by voltage and current spikes generated when the switching mode of full-bridge converter changes, which is further resulted from parasitic capacitance and inductance of MOSFET circuit and rectifier diode circuit in the power supply, resonance analysis and optimization design is carried out. Equivalent models of MOSFET circuit and rectifier diode circuit are established, and absorption circuits are designed to absorb the voltage and current spikes, thus to effectively suppress the voltage ripple in the output of the switching power supply. Experimental results show that the output voltage ripple is reduced from 190 mV to 88 mV after optimization of key parameter.

Original languageEnglish
Title of host publication2019 14th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2019
EditorsJuan Wu, Jiali Yin, Zhang Qi
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages698-704
Number of pages7
ISBN (Electronic)9781728105093
DOIs
StatePublished - Nov 2019
Event14th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2019 - Changsha, China
Duration: 1 Nov 20193 Nov 2019

Publication series

Name2019 14th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2019

Conference

Conference14th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2019
Country/TerritoryChina
CityChangsha
Period1/11/193/11/19

Keywords

  • circulating water cooling
  • resonance analysis
  • switching power supply
  • thermoelectric chips
  • voltage ripple

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