太陽能光伏電池外文翻譯-閱讀頁
2025-06-06 04:18本頁面
【正文】 the chip is in discharge mode. Design Two charge protection module structure diagram, the circuit can be divided into four parts: the power detection circuit (undervoltage detection circuit), part of the bias circuit (sampling circuit, the reference circuit and bias circuit), the parator (including the overcharge detection /overdischarge detection parator, overcurrent detection and load shortcircuit detection circuit) and the logic control part. This paper describes the undervoltage detection circuit (Figure 5), and gives the bandgap reference circuit (Figure 6). Battery charging, voltage stability is particularly important, undervoltage, 內蒙古工業(yè)大學畢業(yè)論文外文翻譯 overvoltage protection is essential, therefore integrated overvoltage, undervoltage protection circuit inside the chip, to improve power supply reliability and security. And protection circuit design should be simple, practical, here designed a CMOS process, the undervoltage protection circuit, this simple circuit structure, process and easy to implement and can be used as highvoltage power integrated circuits and other power protection circuit. Undervoltage protection circuit schematic shown in Figure 5, a total of five ponents: the bias circuit, reference voltage, the voltage divider circuit, differential amplifier, the output circuit. The circuit supply voltage is 10V。s operating point, the M0, M1, M2 form a current mirror。 the rest of the M3, M4 and M5, M6, M7, M8, M9, M10, M11, M12, M13, M14, posed of four amplification parator。 undervoltage occurs, the voltage divider of R1, R2, R3, reaction is more sensitive, lost to the inverting input voltage is less than V when the resistor divider, the parator the output voltage is high, this signal will be M14 open, the voltage across R into M at both ends of the saturation voltage close to 0V, thereby further driving down the R1 R2, the partial pressure of the output voltage, the formation of the undervoltage positive feedback. Output, undervoltage lockout, and plays a protective role. 5. Simulation results and analysis The design of the circuit in CSMC μm in digital CMOS process simulation and analysis of the circuit. In the overall simulation of the circuit, the main observation is that the protection module on the battery charge and discharge process 內蒙古工業(yè)大學畢業(yè)論文外文翻譯 by monitoring Vdd potential and Vm potential leaving chip CO side and DOside changes accordingly. The simulation waveform diagram shown in Figure 7, the overall protection module with the battery voltage changes from the usual mode conversion into overcharge mode, and then return to normal working mode, and then into the discharge mode, and finally back to normal working mode. As the design in the early stages of the various parameters to be optimized, but to provide a preliminary simulation results. Designed a set of battery charging and protection functions in one IC. This design not only can reduce the product, they can reduce the peripheral circuit ponents. The circuit uses the lowpower design. This project is underway to design optimization stage, a plete simulation can not meet the requirements, but also need to optimize the design of each module circuit.
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