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0.6-V-VIN 7.0-nA-IQ 0.75-mA-IL CMOS Capacitor-Less LDO for Low-Voltage Micro-Energy-Harvested Supplies

Identificadores del recurso

Ó. Pereira-Rial, P. López and J. M. Carrillo, "0.6-V-VIN 7.0-nA-IQ 0.75-mA-IL CMOS Capacitor-Less LDO for Low-Voltage Micro-Energy-Harvested Supplies," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 2, pp. 599-608, Feb. 2022, doi: 10.1109/TCSI.2021.3123057

1558-0806

http://hdl.handle.net/10347/32657

10.1109/TCSI.2021.3123057

Procedència

(Minerva. Repositorio Institucional da Universidade de Santiago de Compostela)

Fitxa

Títol:: 0.6-V-VIN 7.0-nA-IQ 0.75-mA-IL CMOS Capacitor-Less LDO for Low-Voltage Micro-Energy-Harvested Supplies
Tema:: bulk-driven MOS; capacitor-less LDO; energy harvesting; low-power; low-voltage
Descripció:: A capacitor-less (CL) low-dropout (LDO) regulator suitable to be incorporated in an on-chip system with low-voltage micro-energy-harvested supply, is proposed in this contribution. The differential input stage of the error amplifier includes bulk-driven MOS transistors, thus providing the LDO with an output voltage range that extends from the negative rail up to a level very close to the input voltage without the need of using a resistive feedback network. The circuit parameters relying on the feedback factor, , are maximized thanks to the use of a unitary value for this parameter. The CL-LDO has been designed and fabricated in standard 180-nm CMOS technology and optimized to operate with an input voltage equal to 0.6 V and a reference level of 0.5 V. The experimental characterization of the fabricated prototypes shows that, under these operating conditions, the LDO is able to deliver a load current above 0.75 mA with a total quiescent current of only 7.0 nA. Furthermore, the proposed voltage regulator is able to operate from input voltages as low as 0.4 V, delivering in this case a maximum load current of 30 μA.; RTI2018- 095994-B-I00 ED431G-2019/04 GRC2021/48 IB18079; SI
Idioma:: English
Relació:: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9610622; info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-097088-B-C32/ES/SENSORES CMOS DE VISION, GESTION DE ENERGIA Y SEGUIMIENTO DE OBJETOS SOBRE GPUS EMPOTRADAS/
Autor/Productor:: Pereira Rial, Óscar; López, Paula; Carrillo, Juan M.
Editor:: IEEE
Otros colaboradores/productores:: Universidade de Santiago de Compostela. Centro de Investigación en Tecnoloxías da Información; Área de Enxeñaría e Arquitectura
Drets:: © 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.; open access
Data:: 2024-02-09T11:35:34Z; 2021-11-10
Tipo de recurso:: journal article; AM

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2. <dc:creator>Pereira Rial, Óscar</dc:creator>
3. <dc:creator>López, Paula</dc:creator>
4. <dc:creator>Carrillo, Juan M.</dc:creator>
5. <dc:contributor>Universidade de Santiago de Compostela. Centro de Investigación en Tecnoloxías da Información</dc:contributor>
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7. <dc:subject>bulk-driven MOS</dc:subject>
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12. <dc:description>A capacitor-less (CL) low-dropout (LDO) regulator suitable to be incorporated in an on-chip system with low-voltage micro-energy-harvested supply, is proposed in this contribution. The differential input stage of the error amplifier includes bulk-driven MOS transistors, thus providing the LDO with an output voltage range that extends from the negative rail up to a level very close to the input voltage without the need of using a resistive feedback network. The circuit parameters relying on the feedback factor, , are maximized thanks to the use of a unitary value for this parameter. The CL-LDO has been designed and fabricated in standard 180-nm CMOS technology and optimized to operate with an input voltage equal to 0.6 V and a reference level of 0.5 V. The experimental characterization of the fabricated prototypes shows that, under these operating conditions, the LDO is able to deliver a load current above 0.75 mA with a total quiescent current of only 7.0 nA. Furthermore, the proposed voltage regulator is able to operate from input voltages as low as 0.4 V, delivering in this case a maximum load current of 30 μA.</dc:description>
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17. <dc:date>2021-11-10</dc:date>
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20. <dc:identifier>Ó. Pereira-Rial, P. López and J. M. Carrillo, "0.6-V-VIN 7.0-nA-IQ 0.75-mA-IL CMOS Capacitor-Less LDO for Low-Voltage Micro-Energy-Harvested Supplies," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 2, pp. 599-608, Feb. 2022, doi: 10.1109/TCSI.2021.3123057</dc:identifier>
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27. <dc:rights>© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.</dc:rights>
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