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引用次数: 0
摘要
本文提出了一种具有四种工作模式的DC-DC转换电路，可用于物联网中的能量收集。当输入电压在较大范围内变化时，电路不受干扰，实现平滑过渡。采用中芯国际0.18 um CMOS工艺实现，采用Cadence Spectre仿真工具进行系统级和模块级电路仿真验证。仿真结果表明，该变换器工作在0.4 ~ 3.3V的宽输入电压范围内，输出电压为1.8V，最大负载电流为100mA，开关频率为1MHz。
A Four Modes and Smooth Transition Non-inverting Buck-Boost Converter
This paper presents a DC-DC converter circuit with four operation modes which can be used for energy harvesting in the IoT. When the input voltage varies in a wide range, the circuit is not disturbed and smooth transition is achieved. It is implemented in SMIC 0.18 um CMOS process and the Cadence Spectre simulation tool is used for system-level and module circuit simulation verification. The simulation results show that the converter operates with a wide input voltage range from 0.4V to 3.3V, 1.8V output voltage, maximum load current of 100mA and switching frequency of 1MHz.
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