Title
A High-Precision ultra-Low-Power hysteretic voltage Detector using Current-Based Comparison.
Abstract
This paper presented a high-precision, ultra-low-power hysteretic voltage detector (HVD) using current comparison to detect voltage default crossing moments for energy-harvesting systems (EHS) in wireless sensor network (WSN) applications. The HVD mainly consists of four parts: a specially designed voltage-to-current converter (VCC) with thermal stability improvement, a comparison core to make current-based comparison, a current pre-amplifier to improve its transient performance and a Schmitt inverter to provide the hysteresis characteristic. The prototype of this HVD has been implemented in SMIC 0.18 mu m CMOS process and occupies 0.036 mm(2) area without pads. The hysteresis window is about 120 mV wide. The temperature coefficient (TC) is about -170.2 ppm degrees C. The average variation to different process corners can be reduced to 1.4% by MOSFET and resistor trimming. The total power consumption is only 701.5 nW when VDD is around 1.8 V.
Year
DOI
Venue
2013
10.1142/S0218126613400057
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS
Keywords
Field
DocType
Voltage detector,hysteresis,ultra-low-power,high-precision,process independent,temperature insensitive,current-based comparison
Inverter,Computer science,Process corners,Voltage,Hysteresis,Electronic engineering,Resistor,MOSFET,Test light,Trimming,Electrical engineering
Journal
Volume
Issue
ISSN
22
SP9
0218-1266
Citations 
PageRank 
References 
0
0.34
2
Authors
5
Name
Order
Citations
PageRank
Wen-Xiao Gu100.34
Menglian Zhao2166.31
Xiaobo Wu356.74
Mingyang Chen401.01
Qing Liu551.98