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《Journal of Hubei University for Nationalities(Natural Science Edition)》 2018-01
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Microchip Power Supply Circuit Based on Solar Photovoltaic Battery Module

ZHONG Wanxiong;XU Pengfei;ZHU Li;YAO Zhiwei;HUANG Dingyi;School of Information Engineering,Hubei University for Nationalities;Lichuan Power Supply Company,State Grid Hubei Electric Power Company;  
The use of wireless communication technology to achieve solar photovoltaic components of the current,voltage,temperature and other important data collection,transmission,aggregation,the general must be installed data acquisition and communication control circuit board in the solar PV module board.The main working voltage of the microchip on the circuit board is about 3.3 volts.If the solar photovoltaic cell module is used to generate electric power for the microchip,it is necessary to study and design a special power supply circuit.The circuit must have a suitable input voltage range,to ensure that the output of the low voltage unchanged,high efficiency,consider the full use of micro-chip resources,simplify the design and reduce costs.In this paper,an adaptive wide dynamic power supply circuit is designed for CC2530 microchip design.The circuit utilizes the MCU in CC2530 chip to generate PWM control to realize power supply control and obtain stable 3.3 V output voltage value to solve the solar PV module data acquisition circuit board safe and stable power supply problem.Its innovation lies in the realization of a CC2530 chip to collect data,wireless communications and power management purposes,simplifying the circuit,eliminating the need for the traditional use of independent DC-DC power supply module.Experiments show that the adaptive wide dynamic power supply circuit based on CC2530 chip design has high working efficiency and stable output voltage.
【Fund】: 国家自然科学基金项目(61771188);; 恩施州2016年科技计划项目(XYJ2016000155)
【CateGory Index】: TM914.4
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