Sensitivity Characteristics of Horizontal and Vertical Hall Sensors in the Voltage- and Current-Mode

Heidari, H. , Gatti, U. and Maloberti, F. (2015) Sensitivity Characteristics of Horizontal and Vertical Hall Sensors in the Voltage- and Current-Mode. In: IEEE Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), Glasgow, UK, 29 Jun - 02 Jul 2015, pp. 330-333. (doi: 10.1109/PRIME.2015.7251402)

Abstract

This paper analyses sensitivity of Hall devices in the horizontal and vertical forms operating in the current and voltage-mode. The 2D finite element model (FEM) implemented by COMSOL Multiphysics evaluates sensitivity efficiencies. Different geometries of horizontal and vertical Hall sensor plates have been studied and simulated. Among them, a twin cross shaped coupled horizontal Hall device and a four-folded three contacts vertical Hall device model displayed the best sensitivity. Simulations results of sensitivity performance, obtained in two different horizontal and vertical shapes, are compared and discussed with state-of-the-art. Simulations show that the current mode operation shows sensitivity better than 11 %T-1 and 16 %T-1 for cross-shaped horizontal Hall device and four-folded 3-contact vertical Hall device, respectively.

• Item Type: Conference Proceedings
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Heidari, Professor Hadi
• Authors: Heidari, H., Gatti, U., and Maloberti, F.
• College/School: College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering