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This paper presents a precision bandgap reference with an innovative adjusted-temperature-curvature compensation circuit that obtains a good temperature coefficient (TC) over a wide temperature range. The proposed compensation circuit for enhancing the voltage accuracy of the bandgap reference combines an addition circuit, subtraction circuit, and current mirror to achieve an adjusted piecewise linear...
This paper presents a high performance AC-DC rectifier for vibration energy harvesting application that has been designed and implemented with TSMC 0.18 μm 1P6M 1.8/3.3 V CMOS process. The proposed fully actively controlled switches and unbalanced-biasing comparators are employed to eliminate reverse leakage current and minimum the drain-source voltage drop of the power MOS transistors under a wide...
This paper presents 3D IC design of a fully integrated four-phase buck converter. The control circuit was implemented in the TSMC 0.18μm CMOS Mixed Signal RF General Purpose MiM Al 1P6M 1.8 & 3.3V process while the passive components were implemented in the tMt Glass Substrate Integrated Passive Device (IPD) Process, and then these two dies are stacked. Thus, a high output loading current can...
This paper presents a single-inductor multi-output (SIMO) dc-dc converter for gigascale systems, which includes two different kinds of control loops, the comparator loop and the error amplifier (EA) loop. The proposed converter can provide four output voltages with only five power switches, two comparator loops, and two error amplifier loops. To save additional power switches and lower the complexity,...
This research describes an integrated multi-channel high accuracy current control LED driver with low dropout regulator implemented in a 0.35um TSMC 2P4M CMOS process. With the new trend of backlighting applications for mobile electronics and portable devices requiring a smaller size, lower cost, lesser noise and accurate current control LED driver, it came up with the idea of integrating more than...
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