A chopped Hall sensor with programmable "true power-on" function

Motz, Mario; Draxelmayr, D.; Werth, Tobias D.; Forster, B.

doi:10.1109/esscir.2004.1356713

Cited by 8 publications

(7 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…7 and 8, comprising a quad of elementary integrated HALL devices, fulfills simultaneously Eqs. (3), (5), (6), and (7). The diodes, in particular, model the behavior of the pnjunctions formed at the interfaces between: (a) the p-substrate and the n-well and (b) the p+ diffusion and the n-well of the JFET devices.…”

Section: The Elementary Integrated Hall Devicementioning

confidence: 98%

“…A symmetric combination of four such elements complying simultaneously with (3), (5), (6), and (7) is presented in Fig. 3.…”

Section: Theorymentioning

confidence: 98%

“…4 and 5, where a cross-shaped HALL sensor and a Corbino Disk [19] are presented, respectively. The application of Kirchoff's voltage and current laws assures that (3), (5), (6), and (7) are fulfilled throughout the complete HALL sensor. It should be noticed that the four-port basic model cells are connected at their four contacts C1 to C4, while the common reference node C is floating.…”

Section: Theorymentioning

confidence: 99%

“…The connection of these two-port elementary rectangular devices in the grid -composing the HALL sensor -is governed by the continuity equation (5), the Gauss' law (6), and the Faraday's law (7). In these equations ρ = 4·Q/L·W·t C and Q symbolize the spatial charge density and the total charge stored in the elementary rectangular HALL device.…”

Section: Theorymentioning

confidence: 99%

“…CMOS HALL effect devices [1][2][3][4] are currently used in a variety of applications ranging from direct magnetic field sensing -as in electronic compasses [5] -to indirect measurement of mechanical and electrical quantities such as displacement and current [6,7]. The growing importance of these components as sensor cells and the need to minimize the development time of new-generation products imposes the derivation of sophisticated device models that can be implemented in standard SPICE-like EDA tools providing simulation accuracy better than 1% [8].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Horizontal HALL devices: A lumped-circuit model for EDA simulators

Dimitropoulos

Drljaca

Popović

et al. 2008

Sensors and Actuators A: Physical

View full text Add to dashboard Cite

Section: The Elementary Integrated Hall Devicementioning

confidence: 98%

“…A symmetric combination of four such elements complying simultaneously with (3), (5), (6), and (7) is presented in Fig. 3.…”

Section: Theorymentioning

confidence: 98%

Section: Theorymentioning

confidence: 99%

Section: Theorymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Horizontal HALL devices: A lumped-circuit model for EDA simulators

Dimitropoulos

Drljaca

Popović

et al. 2008

Sensors and Actuators A: Physical

View full text Add to dashboard Cite

Hall effect instruments, evolution, implications, and future prospects

Goel

Babuta

Kumar

et al. 2020

Review of Scientific Instruments

View full text Add to dashboard Cite

Since the revolution in solid state electronics, many innovative principles were investigated for a better and simpler design. Thus, Hall effect-based sensors and instruments gained importance. To employ this principle in several operating conditions and with different setups, several researchers contributed significantly over the decades, which ultimately led to the establishment of industries producing a wide range of Hall devices. The objective of this paper is to review the available configurations and current status of the Hall effect-based technologies. A detailed discussion is carried out on the various types of existing Hall-based devices, such as linear sensors, field-programmable sensors, switches, latches, speed and directional sensors, and vane sensors. The effect of materials and the influence of several undesired effects (such as offset voltage, temperature, noise, and drift) are also investigated. The compensation/reduction techniques are mentioned therein, and interested researchers are encouraged for the development of new techniques. This paper concludes with the discussion on the market scenario (such as electronics sector and automotive industry) and progression in current research on Hall devices while projecting some new research directions in this field.

show abstract

A programmable hall sensor for camshaft applications

Motz

Draxelmayr

Werth

et al.

Proceedings of IEEE Sensors, 2004.

Self Cite

View full text Add to dashboard Cite

A chopped Hall sensor for camshaft applications is presented which provides a programmable "True Power-on" switching level. The proposed chopping technique and self-compensation methods for temperature drift and technology spread provide a correct output state immediately after power-on even at zero speed of the target wheel. An end-of-line calibration for the customer is implemented using surface micro-machined cavity fuses. A novel combination of chopping and enhanced selfcalibration algorithm adjusts the magnetic switching point and improves phase accuracy.

show abstract

A chopped Hall sensor with programmable "true power-on" function

Cited by 8 publications

References 1 publication

Horizontal HALL devices: A lumped-circuit model for EDA simulators

Horizontal HALL devices: A lumped-circuit model for EDA simulators

Hall effect instruments, evolution, implications, and future prospects

A programmable hall sensor for camshaft applications

Contact Info

Product

Resources

About