Title: Practical Design of a Self-Hosted Bandgap Voltage Reference for Automotive Applications
Authors: Kadlčík, Libor
Citation: Electroscope. 2014, č. 3, EDS 2014.
Issue Date: 2014
Publisher: Západočeská univerzita v Plzni
Document type: článek
article
URI: http://147.228.94.30/images/PDF/Rocnik2014/Cislo3_2014/r8c3c2.pdf
http://hdl.handle.net/11025/11818
ISSN: 1802-4564
Keywords: automobilové aplikace;referenční zdroje napětí;bandgap;simulace
Keywords in different language: automotive application;voltage reference;bandgap;simulation
Abstract: Practical design of a voltage reference based on the well-known self-biased Brokaw bandgap core with bipolar-junction transistors (BJTs) is presented. The voltage reference has its own start-up circuit and a voltage regulator, which is capable of operation even under fast input supply voltage transients and its voltage regulation also removes an impact of the Early effect of the BJTs. The voltage reference operates with an external supply voltage from 5 V to 40 V in the temperatures from –50 °C to 200 °C; it occupies layout area of 0.011 mm2 if the 0.35 μm I3T50 ON Semiconductor technology is used. Simulation results show reference voltage of (1.20 ± 0.08) V is generated across process, temperature and supply voltage spread, including components mismatch.
Rights: Copyright © 2014 Electroscope. All Rights Reserved.
Appears in Collections:Číslo 3 (2014)
Číslo 3 (2014)

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