Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Khondker Zakir Ahmed"'
Autor:
William J. Lambert, Huong Do, Harish K. Krishnamurthy, Sheldon Weng, Nachiket Desai, Vivek De, Christopher Schaef, Kim Suhwan, Khondker Zakir Ahmed, Krishnan Ravichandran, Kaladhar Radhakrishnan, James W. Tschanz, Xiaosen Liu
Publikováno v:
IEEE Journal of Solid-State Circuits. 54:3316-3325
Fully integrated voltage regulators (FIVRs) offer many advantages, such as fine-grained power management, fast transient response, and reduced form factor. This article addresses light-load efficiency in FIVRs with nH-scale air-core inductors. The ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e43e2c51031c7a663f2d1766e86a16ae
https://doi.org/10.1109/jssc.2019.2946218
https://doi.org/10.1109/jssc.2019.2946218
Autor:
Kaladhar Radhakrishnan, Nachiket Desai, Khondker Zakir Ahmed, James W. Tschanz, Sheldon Weng, Huong Do, Harish K. Krishnamurthy, Vivek De, Xiaosen Liu, Krishnan Ravichandran, Kim Suhwan
Publikováno v:
ISSCC
High-performance many-core processors and GPUs demand 100s of Watts of power in a single voltage/power domain on chip, operating below 1V. High-frequency and highcurrent-density fully integrated voltage regulators (FIVRs) with in-package air core ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee24cae47a57ce96fec7f0ab62f38778
https://doi.org/10.1109/isscc42613.2021.9365957
https://doi.org/10.1109/isscc42613.2021.9365957
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 64:2295-2307
This paper presents a single-chip image sensor node with energy harvesting from the pixel array. The design includes a $128 \times 96$ pixel array that can be reconfigured to form an on-chip photovoltaic cell to harvest energy. An on-chip power manag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d70bfe4cc7625282e03cb4b2ffbf02d
https://doi.org/10.1109/tcsi.2017.2703869
https://doi.org/10.1109/tcsi.2017.2703869
Autor:
Charles Augustine, James W. Tschanz, Khondker Zakir Ahmed, Krishnan Ravichandran, Harish K. Krishnamurthy, Sheldon Weng, Xiaosen Liu, Vivek De
Publikováno v:
VLSI Circuits
A variation-adaptive computational digital low dropout (CDLDO) regulator featuring an event-driven computational controller (CC) is presented, which computes the required number of power gates (PGs) unlike the traditional IIR filter-based control tec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52b3a40127353efa04ade22774441d2c
https://doi.org/10.23919/vlsic.2019.8778070
https://doi.org/10.23919/vlsic.2019.8778070
Autor:
Taesik Na, Harish K. Krishnamurthy, Vivek De, Khondker Zakir Ahmed, Sheldon Weng, James W. Tschanz, Xiaosen Liu, Krishnan Ravichandran
Publikováno v:
ISSCC
Complex SoCs in scaled CMOS processes integrate a large variety of digital, SRAM and noise-sensitive mixed-signal/analog circuit blocks such as PLLs, wireline/wireless/RF transceivers, sensor front-ends, etc. The on-die low-dropout regulators (LDO) u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e0b1ccf453001d5ee66d2c1bdf32a3e
https://doi.org/10.1109/isscc.2019.8662343
https://doi.org/10.1109/isscc.2019.8662343
Publikováno v:
IEEE Transactions on Power Electronics. 31:1857-1862
This paper presents a voltage regulator topology, implemented using low-voltage devices, for converting high input voltage (>4.5 V) to low output voltages with fine-grain control (0.3 to 1 V). The topology merges a Dickson's switched-capacitor stage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c8d9a4144e6bb51dbe16adb9a87bac1
https://doi.org/10.1109/tpel.2015.2480424
https://doi.org/10.1109/tpel.2015.2480424
Publikováno v:
IEEE Transactions on Power Electronics. 31:1322-1333
Self-powered wireless sensors require power delivery systems capable of harvesting from very low input voltage while consuming minimal bias current. This paper presents a multistage boost regulator capable of generating 3 V to supply RF blocks in sel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f00e4bb2a00474c3572086f980ffde57
https://doi.org/10.1109/tpel.2015.2423666
https://doi.org/10.1109/tpel.2015.2423666
Publikováno v:
IEEE Transactions on Power Electronics. 29:4776-4786
An inductive boost regulator is presented that can harvest energy over a wide input voltage range. The wide input range is enabled by a current-based analog oscillator capable of providing very high duty cycle. The analog control circuits are designe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f4e786f1f7ec69ada73308cc7945bfa
https://doi.org/10.1109/tpel.2013.2287194
https://doi.org/10.1109/tpel.2013.2287194
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 4:37-45
Thermal system identification (TSI) is presented as a methodology to characterize and estimate the transient thermal field of a packaged IC for various workloads considering chip-to-chip variations in electrical and thermal properties. The time-frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1cdacebabf95c7f3e102ab808e2a7d
https://doi.org/10.1109/tcpmt.2013.2271504
https://doi.org/10.1109/tcpmt.2013.2271504
Autor:
Michael Barth, G. B. Rayner, Ashish Agrawal, Roman Engel-Herbert, Suman Datta, Y. X. Zheng, Khondker Zakir Ahmed
Publikováno v:
IEEE Electron Device Letters. 36:881-883
In situ spectroscopic ellipsometry was utilized in an atomic-layer-deposition (ALD) reactor for rapid and rational gate stack process optimization of the trilayer dielectric HfO2/Al2O3/GeO x on Ge. The benefit of this approach was demonstrated by dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::662238dc06cbc7f089fe920449e8403c
https://doi.org/10.1109/led.2015.2459663
https://doi.org/10.1109/led.2015.2459663