系列连接的储能系统的高效降级/升级转换器
K Suresh1, E Parimalasundar2, A Arunraja3
1Department of EEE, Christ University, Bangalore, India.
Scientific reports
|March 5, 2025
概括
这种新型电源转换器通过有效地管理电压波动,延长了设备中的电池寿命. 它可以自动调整升级和降级模式,提高性能和设备寿命.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 集成电路 集成电路
背景情况:
- 连续连接的电池在使用时经历电压下降,限制了设备运行时间.
- 传统的功率转换器很难维持电池退化设备的最佳电压水平.
研究的目的:
- 开发一种新的下降/上升转换器,以优化串联电池的运行时间.
- 为了提高电池的性能和寿命,在紧的电子设备.
主要方法:
- 一个新的转换器设计自动在基于输入/输出电压比较的下降,上升和下降/上升模式之间进行过渡.
- 整合一个电容合水平转移电路来保护功率晶体管.
- 使用180纳米BCD技术制造,从而产生一个紧的芯片大小 (1.44毫米x0.73毫米).
主要成果:
- 实现了高达93%的功率转换效率,比传统型号提高了11%.
- 支持高达500mA的输出电流,增加了67%.
- 在2.5V至8V的输入电压范围内证明有效运行.
结论:
- 拟议的转换器显著提高了电池性能,并延长了紧型电子设备的使用寿命.
- 适应式电压调节和高效率使其适用于电池驱动的应用.
- 紧的设计和保护电路确保了可靠性和小型化.
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