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Distributed small-scale electronics for IoT applications are on the rise. Power delivery for such electronics requires innovative design techniques to improve energy efficiency. This paper summarizes energy delivery challenges for IoT devices and discusses several design techniques for efficient power delivery units. Such design solutions cover challenges like energy harvesting from very low input...
This paper presents an on-chip digitally programmable test structure, referred to as the field programmable thermal emulator (FPTE), for on-line characterization of power pattern, time-varying thermal field, and associated changes in the electrical characteristics of the transistors. A test chip was designed in 130nm CMOS to validate the test structure. The measurement results demonstrated the ability...
Thermoelectric (TE) devices have shown promise for on-demand cooling of ICs. However, the additional energy required for cooling remains a challenge for the successful deployment of these devices. This paper presents a closed loop control system that dynamically switches a TE module between Peltier and Seebeck modes depending on chip temperature. The autonomous system harvests energy during regular...
This paper presents an on-chip thermoelectric (TE) energy management system for energy-efficient on-demand active cooling of integrated circuits. Embedding a TE module (TEM) within the package has shown potential for on-demand cooling of integrated circuits (ICs); however, the additional cooling energy limits the effectiveness of TE coolers (TEC). The proposed on-chip system monitors the IC temperature...
An autonomously bias gated synchronous boost regulator consuming 110nA at 1V is demonstrated in 130nm CMOS. The IC generates regulated 1V output from 30mV input, starts up autonomously (battery-less) at 265mV, and regulates output ranging from 0.78V-3.3V. The peak efficiency is 83% with 10μA and 85% with 10mA load.
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