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A 0.1–0.6 V input range voltage boost converter with low-leakage driver for low-voltage energy harvesting

机译:一个0.1-0.6 V输入范围电压升压转换器,具有低泄漏驱动器,用于低压能量收集

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This paper proposes a fully integrated voltage boost converter (VBC) for low-voltage energy harvesting. The proposed VBC consists of three stage charge pumps (CPs) with a low-leakage driver, ring oscillator, and 4-phase clock generator. The output voltage is four times higher than an input voltage Fin. The low-leakage driver generates control signals to operate CPs with low leakage current. The amplitude of the control signals is 2VINand does not depend on the load current. The proposed VBC achieves a wide load current, high output voltage, and high efficiency, even with a low-voltage input of the harvester. Simulation results demonstrated that the proposed VBC converted 0.1-V input to 0.362-V output and 0.6-V input to 2.38-V output, when the load current is zero. The peak efficiency was 70.3% at a 0.6-V input and 1-mA load current.
机译:本文提出了一种完全集成的电压升压转换器(VBC),用于低压能量收集。所提出的VBC由具有低漏电驱动器,环形振荡器和4相时钟发生器的三级电荷泵(CPS)组成。输出电压比输入电压翅片高四倍。低泄漏驱动器产生控制信号以操作具有低漏电流的CP。控制信号的幅度为2V 中并且不依赖于负载电流。即使采用收割机的低压输入,所提出的VBC也实现了宽负载电流,高输出电压和高效率。仿真结果表明,当负载电流为零时,所提出的VBC将0.1V输入到0.362-V输出和0.6V输入到2.38-V输出。峰值效率为0.6V输入和1-MA载荷电流为70.3 %。

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