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X. Liu, Li, S., and Calhoun, B. H., An 802pW 93% Peak Efficiency Buck Converter with 5.5×106 Dynamic Range Featuring Fast DVFS and Asynchronous Load-Transient Control, in 2021 IEEE European Solid-State Circuits Conference (ESSCIRC), 2021.PDF icon An 802pW 93% Peak Efficiency Buck Converter with 5.5×106 Dynamic Range Featuring Fast DVFS and Asynchronous Load-Transient Control.pdf (580.42 KB)
X. Liu, Kamineni, S., Breiholz, J., Calhoun, B. H., and Li, S., A 194nW Energy-Performance-Aware IoT SoC Employing a 5.2nW 92.6% Peak Efficiency Power Management Unit for System Performance Scaling, Fast DVFS and Energy Minimization, in IEEE International Solid-State Circuits Conference (ISSCC), 2022.PDF icon A 194nW Energy-Performance-Aware IoT SoC Employing a 5.2nW 92.6% Peak Efficiency Power Management Unit for System Performance Scaling, Fa.pdf (4.4 MB)
X. Liu, Calhoun, B. H., and Li, S., A Sub-nW 93% Peak Efficiency Buck Converter with Wide Dynamic Range, Fast DVFS, and Asynchronous Load-Transient Control, IEEE Journal of Solid-State Circuits, (invited paper), 2022.PDF icon A SubnW 93 Peak Efficiency Buck Converter With Wide Dynamic Range Fast DVFS and Asynchronous Load Transient Control.pdf (3.94 MB)
X. Liu, Truesdell, D. S., Faruqe, O., Parameswaran, L., Rickley, M., Kopanski, A., Cantley, L., Coon, A., Bernasconi, M., Wang, T., and Calhoun, B. H., A Self-Powered SoC with Distributed Cooperative Energy Harvesting and Multi-Chip Power Management for System-in-Fiber, in IEEE International Solid-State Circuits Conference (ISSCC), 2023.PDF icon 15.1_A_Self-Powered_SoC_with_Distributed_Cooperative_Energy_Harvesting_and_Multi-Chip_Power_Management_for_System-in-Fiber.pdf (1.51 MB)
X. Liu, Chen, Z., Mim, N. Gahan, Agrawal, A., and Calhoun, B. H., A 1pJ/Bit Bypass-SPI Interconnect Bus with I2C Conversion Capability and 2.3nW Standby Power for Fabric Sensing Networks, in 2023 IEEE Biomedical Circuits and Systems Conference, 2023.PDF icon A 1pJbit Bypass-SPI Interconnect Bus with I2C Conversion Capability and 2.3nW Standby Power for Fabric Sensing Networks.pdf (2.54 MB)
X. Liu, Truesdell, D. S., Faruqe, O., Parameswaran, L., Rickley, M., Kopanski, A., Cantley, L., Coon, A., Bernasconi, M., Wang, T., and Calhoun, B. H., A 33nW Fully Autonomous SoC with Distributed Cooperative Energy Harvesting and Multi-Chip Power Management for mm-scale System-in-Fiber, in IEEE Transactions on Biomedical Circuits and Systems, Invited paper, 2023.PDF icon A_33nW_Fully_Autonomous_SoC_with_Distributed_Cooperative_Energy_Harvesting_and_Multi-Chip_Power_Management_for_mm-scale_System-in-Fiber.pdf (16.09 MB)
X. Liu, Agrawal, A., Tanaka, A., and Calhoun, B. H., A 6nA Fully-Autonomous Triple-Input Hybrid-Inductor-Capacitor Multi-Output Power Management System with Multi-Rail Energy Sharing, All-Rail Cold Startup, and Adaptive Conversion Control for mm-scale Distributed Systems, in 2024 IEEE International Solid-State Circuits Conference (ISSCC), 2024.
X. Liu, Kamineni, S., Breiholz, J., Calhoun, B. H., and Li, S., A Sub-µW Energy-Performance-Aware IoT SoC with a Triple-Mode Power Management Unit for System Performance Scaling, Fast DVFS, and Energy Minimization, IEEE Journal of Solid-State Circuits, 2024.PDF icon A_Sub-_mu_W_Energy-Performance-Aware_IoT_SoC_With_a_Triple_Mode_Power_Management_Unit_for_System_Performance_Scaling_Fast_DVFS_and_Energy_Minimization.pdf (7.38 MB)