NDLI: Design and implementation of MCU chip for automobile TPMS

Content Provider	IEEE Xplore Digital Library
Author	Bin Xiao Liji Wu Chen Jia Chun Zhang
Copyright Year	2009
Description	Author affiliation: Institute of Microelectronic, Tsinghua University, Beijing, 100084, China (Bin Xiao; Liji Wu; Chen Jia; Chun Zhang)
Abstract	Reliability, low cost and low power are key issues in automobile electronics. A Micro Controller Unit (MCU) applied in Tire Pressure Monitoring System (TPMS) is designed and taped out, and it is mainly composed of a special Low Dropout Voltage Linear Buck Regulator (LDO), A/D controller and DW8051. In this paper, the LDO design has been achieved to meet the power supply big variation of automobile, the supply of LDO is at wide range from 2.7 to 5.5V for Supply Voltage Compatibility (SVC) and the output of LDO is at 1.8V which is the DC power supply for control module. Low power is carefully considered in the LDO and control module design. Quiescent current in the LDO is 40µA with assuring the MCU works well at supply voltage 5.5V and load current 20mA by post simulation. The LDO design is proved to be feasible by post simulation, and integrated with 8051 core, etc. The MCU chip is taped out by 0.18µm CMOS process and the area is 3.5×3.5 $mm^{2}.^{1}$
Starting Page	1284
Ending Page	1287
File Size	5225212
Page Count	4
File Format	PDF
ISBN	9781424438686
DOI	10.1109/ASICON.2009.5351230
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automobiles Voltage control Pressure control Control systems Power supplies Power system reliability Costs Tires Monitoring Low voltage Automobile MCU LDO Reliability SVC
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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