The invention provides a switching power supply device, a switching control method and a vehicle, in a switching power supply device with a variable switching frequency, the switching power supply device using a general-purpose, low-performance and low-cost microcomputer is realized. The switching power supply device includes: a switching element that is ON/OFF controlled by input of a control signal; a target frequency determination unit (9) that determines, from among the plurality of frequency candidates, a target frequency to be a target to be taken in the next cycle, on the basis of a monitoring signal value based on one or more of the value of the input voltage, the value of the output voltage, or the value of the output current; a control signal generation unit (3) that generates a control signal in accordance with the target frequency; and a spread spectrum instruction unit (12) that instructs whether or not the control signal generation unit spreads the target frequency.

    本发明提供开关电源装置、开关控制方法以及车辆,在开关频率可变的开关电源装置中,实现使用了通用的、低性能以及低成本的微型计算机的开关电源装置。开关电源装置具有:开关元件,其通过控制信号的输入而被接通/断开控制;目标频率决定部(9),其根据基于输入电压的值、输出电压的值或输出电流的值中的任意1个以上的监视信号值,从多个频率候选中决定成为在下一个周期中应取的目标的目标频率;控制信号生成部(3),其根据目标频率而生成控制信号;以及扩频指示部(12),其指示控制信号生成部是否对目标频率进行扩频。


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    Title :

    Switching power supply device, switching control method, and vehicle


    Additional title:

    开关电源装置、开关控制方法以及车辆


    Contributors:

    Publication date :

    2023-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04B TRANSMISSION , Übertragung



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