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首页> 外文会议>IEEE Custom Integrated Circuits Conference >An AC-Coupled Stacked Dual Active Bridge Hybrid DC-DC Converter for Battery-to-Processor Power Delivery with 87.2 Peak Efficiency and High Accuracy Loadline Regulation
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An AC-Coupled Stacked Dual Active Bridge Hybrid DC-DC Converter for Battery-to-Processor Power Delivery with 87.2 Peak Efficiency and High Accuracy Loadline Regulation

机译：交流耦合堆叠双有源桥混合DC-DC转换器，用于电池到处理器的电源传输，具有87.2％的峰值效率和高精度的负载线调节

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摘要

This work presents a hybrid 3:1 DC-DC converter topology for power conversion directly from Li-ion battery to processor. The proposed topology enables the use of standard CMOS switches for achieving high voltage conversion ratios while utilizing the package interconnection as the effective inductor with minimum off-chip capacitors. The prototype achieves 87.2% peak efficiency with 83.4% at a power density of 0.46W/mm2 including the area of off-chip capacitors and demonstrates 50mV voltage perturbanion under a 0.4A on-die load step. Compared with state-of-the-art switched-capacitor and hybrid converters that operate under similar conversion ratios, this work demonstrates a wide voltage regulation range with competitive efficiency, power density and by-far the best transient performance.
机译：这项工作提出了一种混合3：1 DC-DC转换器拓扑，用于直接从锂离子电池到处理器的功率转换。所提出的拓扑结构允许使用标准CMOS开关来实现高电压转换率，同时利用封装互连作为具有最少片外电容器的有效电感器。该原型在0.46W / mm的功率密度下达到87.2％的峰值效率和83.4％的峰值效率 2 包括片外电容器的面积，并在0.4A的片上负载阶跃下表现出50mV的电压扰动。与以相似的转换比工作的最新型开关电容器和混合转换器相比，这项工作证明了宽电压调节范围，具有极高的效率，功率密度和迄今为止最佳的瞬态性能。

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