Research and design of vehicle inverter power supply based on DSP

Bing Quan; Gaili Yue

doi:10.1117/12.2592165

26 January 2021 Research and design of vehicle inverter power supply based on DSP

Bing Quan, Gaili Yue

Proceedings Volume 11767, 2020 International Conference on Optoelectronic Materials and Devices; 1176704 (2021) https://doi.org/10.1117/12.2592165
Event: 2020 International Conference on Optoelectronic Materials and Devices, 2020, Guangzhou, China

Abstract

This article designs a vehicle-mounted inverter power supply with TMS320F28335 as the main control chip, which converts 12V DC voltage to 220V/50Hz AC voltage. The system uses a two-stage conversion circuit structure, including a front-stage DC-DC push-pull boost circuit and a back-stage DC-AC full-bridge inverter circuit. The front stage pushpull selects the SG3525 chip as the main control chip of the push-pull circuit, which uses voltage closed-loop control; the rear-stage DC-AC inverter circuit adopts a dual closed-loop PI control strategy of output voltage outer loop and current inner loop. Finally, a 500W experimental prototype was built and various performance index tests were carried out. The test results show that the design in this paper. The indicators of the on-board inverter power supply meet the design requirements.

Citation Download Citation

Bing Quan and Gaili Yue "Research and design of vehicle inverter power supply based on DSP", Proc. SPIE 11767, 2020 International Conference on Optoelectronic Materials and Devices, 1176704 (26 January 2021); https://doi.org/10.1117/12.2592165

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