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Hall
sensors, hall switches,
hall-effect sensors,
hall-effect switches
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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New hall sensor for applications in
rolling stock |
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 Baumer’s
new MTRM 16 hall sensor was specifically developed for the contact-free
pulse detection of fast-spinning gear wheels. With its robust metal
housing it is predestined for the use in harsh conditions. The sensor
was particularly optimized for applications in railway gear boxes and
therefore meets all of the demanding requirements for the employment in
this industry. The very compact hall sensor picks up the rotational
direction as well as rpm speed of gear wheels with up to 20,000 pulses
per second. Due to the non-contact measuring principle, the sensor is
maintenance-free, thereby guaranteeing long-term trouble-free use. At
the same time it is very robust and temperature-resistant. Thanks to the
completely sealed and coated all-metal housing, the sensor may be
exposed continuously to gear box lubrication oils. Its optimized housing
design with integrated O-ring allows fast and easy installation. The
notably robust housing design qualifies the hall sensor not only for the
direct integration into the railway gear box or the engine ... |
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+ Info |
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Micronas supplying the 500 millionth
linear Hall-effect sensor |
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 Micronas,
a leading supplier of innovative application-specific sensor and IC
system solutions for automotive electronics, today announced the supply
of the 500 millionth Hall sensor from the HAL 8xy family. The success
story of these programmable linear Hall sensors is based on the
groundbreaking new function of making the sensors programmable via a
chip-integrated EEPROM and their use in an extended temperature range of
TJ=-40 to 170°C. In 2001, Micronas won the PACE Award (Premier
Automotive Suppliers’ Contributions to Excellence) for its innovative
HAL 8xy family. “The programming option allows our customers for the
first time to match their sensor modules at the end of production with
the mechanical production tolerances of their systems, resulting in a
clear reduction in system and production costs. ... |
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+ Info |
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Tyco Electronics Presents Hall Sensors
for Convertible Roof Systems |
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 Tyco
Electronics: Requirements for convertible roof systems increased
dramatically over the last twenty years. The system of textile roofs has
been developed continuously and complemented by retractable hard tops
since the beginning of the nineties. The complete kinematics has high
mechanical tolerances, but the robustness of the complete system must be
provided every time. In order to provide availability and accuracy, non
contacting position sensors are being used either for on/off position
detection or angular positions detection. For a proper working
kinematics in a roof system, position and angular sensors are designed
in. Depending on the mechanical design, different types of sensors are
being used for these applications, such as on/off position detection at
kinematics, angular detections at swivel joints, and end position
detections at hydraulic cylinders. Separate cable assemblies are used
frequently which provide a simple and precise mounting in the complex
mounting process of a roof system. For over ten years, Tyco Electronics
has provided hall sensor cable assemblies ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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Hall Latch Manages Extreme Environments |
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 Melexis
releases the MLX92211, second generation of Automotive Hall-Effect Latch
sensors. The MLX92211 comes as a great successor of the worldwide famous
USx88x series by Melexis. This brand new platform has been meticulously
designed to deliver a standard product with tremendous performance and
exceptional robustness for more and more stringent automotive
requirements such as Electrical Power Steering (EPS), Window
lifters/Sunroof, Seat Adjusters, Wipers or Motor Commutation. The
MLX92211 features a very sensitive Hall-Effect sensor operating from 2.7
to 24 volts, covering automotive, consumer and industrial applications.
With Latching magnetic behavior, the open drain output is switched ON
and OFF by applying South and North magnetic field perpendicularly to
the package top side, typically the case with rotary applications using
“on-shaft” multi-poles ring magnet. Especially designed for automotive
applications, the device integrates all protections required when using
“integrated” or “remote” sensors like very high electro-static discharge
(ESD) rating, reverse supply voltage protection, output short circuit
protection and even more. ... |
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+ Info |
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Hall-effect current transducer for
contactless AC/DC measurement in automotive and industrial applications |
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 Micronas,
a leading manufacturer and supplier of innovative and
application-specific sensor and IC system solutions for automotive
electronics, presents its Hall-effect transducer CUR 3105. The CUR 3105
targets applications, such as battery monitoring e.g. in hybrid /
electrical cars, DC-DC converters, start-stop-systems or metering
systems. In combination with a flux concentrator the CUR 3105 is able to
measure currents in the milliampere range. Currents in the hundred
ampere range can be measured without flux concentrator using special
conductor designs. The CUR 3105 is able to measure currents with a
bandwidth of up to 1 kHz. The operating magnetic field range can be
adjusted from ±30 to ±100 mT. Various programmable parameters can be set
to adapt the output characteristics which are stored in the highly
reliable on-chip EEPROM. ... |
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+ Info |
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Tyco Electronics Presents Hall Travel-
and Rotary Sensor Platforms for Automotive Applications |
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 Tyco
Electronics: In the automotive industry, development time is a key
factor for successful market positioning. Tyco Electronics’ answer for
this is a platform strategy for non-contact switches and angular- and
travel sensors. Standardized designs and production processes offer
short-term availability of fully functional sensors for functional
testing. One highlight is the hall technology based travel- and angular
sensor platform for measurement ranges up to 40mm or angle ranges of
360° (see picture). Travel and angle measurement can be realized within
one sensor package. The applied hall technology is a 2D measurement
principle which results in a significant measurement performance
increase compared to existing Hall sensors. These sensors show a high
performance related to a linearity error of only 2-3% and a temperature
drift of lower than 2%. ... |
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+ Info |
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Micronas showcases system solution for
brushless DC motor control applications |
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 Micronas,
a leading supplier of innovative application-specific sensor and IC
system solutions for automotive electronics, today announced that it
will showcase an innovative system solution for brushless DC motor (BLDC)
drive applications. The system solution comprises Micronas Hall-effect
sensors for the motor commutation and the Micronas embedded
microcontroller HVC 2480A, a flash-based 8-Bit microcontroller directly
working on 12V supplies. With the introduced system solution Micronas is
addressing the fast growing market on sensor-based brushless motor
applications. Many EC (electrical commutated) motor applications will
switch to brushless solutions due to its overall better performance –
especially in the automotive environment. Many BLDC applications today
are using Hall-effect sensors for the motor commutation. ... |
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+ Info |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
hall sensors,
hall-effect sensors,
hall-effect switches |
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Linear Hall Sensors from Micronas offering cost benefits through preset
sensitivity levels |
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Low-cost
magnetic field sensors with ultimate reliability for use in automobile,
domestic and industrial applications. Micronas (SIX Swiss
Exchange: MASN), a leading manufacturer and supplier of innovative and
user-specific IC and sensor system solutions for use in automobiles and
in industry, presents three new value-optimized variants of the HAL 182x
family. “The linear Hall sensors HAL 1821, HAL 1822 and HAL 1823 are
available with different levels of sensitivity to match application
requirements. In contrast to the HAL 1820, the programming functionality
has been dropped with the new types in order to achieve the better
price-performance ratio. The sensors can be used to determine position,
direction of motion, fluid level and for current measurements. ... |
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Micronas Introduces Hall Sensors with New
Temperature Ranges |
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Micronas,
a leading supplier of innovative application-specific IC system
solutions for automotive electronics, introduced the new Hall sensor
family HAL 1xy, specifically intended for use in home appliances and
industrial applications, and based on its predecessors, which are
already successful on the automotive market. Micronas is a leading
supplier of integrated Hall sensors and has a well-founded knowledge of
the development and production of these sensors. The design and features
of the newly introduced Hall sensors are proven over the years in
automotive applications, for instance, in safety belt locks, electric
window lifters, sliding roofs, and so on. Based on these, the Hall
sensor family HAL 1xy was devised by means of a cost and feature
downgrade. Peter Zimmermann, Director Marketing at Micronas, states: “On
the basis of the field-proven building blocks of the globally extremely
popular HAL 5xy sensor family, an excellent price-performance ratio is
achieved with the HAL 1xy sensor family. Micronas is therefore able to
offer a robust Hall switch at an attractive price ... |
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Find
all manufacturers and suppliers of
hall sensors,
hall-effect sensors,
hall-effect switches |
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Micronas presenting 3D Hall sensor,
Innovative sensor with vertical Hall elements designed for automotive
and industrial applications, as well as for use in home appliances |
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Micronas,
a leading supplier of innovative application-specific IC and sensor
system solutions for automotive electronics, launched the new HAL 36xy
family with their HAL 3625 Hall-effect sensor based on Micronas’ 3D-Hall
technology and equipped with vertical Hall elements. This technology
allows rotation angles from 0° to 360° to be detected directly with
minimum measuring efforts. Unlike today’s usual Hall sensors, which use
one Hall element to measure at one level only (Z-axis), the new
technology allows the detection of an additional X and Y axis. Combining
different axes and using the appropriate signal processing, a so-called
3D Hall sensor has been realized. The great advantage of these vertical
Hall-effect sensors is that they can be manufactured in a standard CMOS
process without additional post-processing. This process delivers
products with ultimate quality and reliability, especially for the
demanding automotive market. The HAL 36xy product family will include
several versions which will also differ in a number of essential
characteristics and properties. The first member of this family offered
by Micronas will be the HAL 3625 which delivers a ratiometric output
format. The 3D Hall sensor HAL 3625 features integrated signal
processing. ... |
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mySENS® – Micronas Announces Major
Breakthrough In Gas Sensing Technology Based On Standard CMOS |
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Micronas,
a leading supplier of innovative application-specific IC and sensor
system solutions for automotive electronics, announces a major
breakthrough in gas sensing technology. Based on Micronas’ mySENS
platform, this innovative technology rests upon standard CMOS technology
which has been utilized and proven in Micronas’ current products for
automotive and industrial applications for many years. “Leveraging its
extensive experience in Hall-effect sensors, Micronas is in an ideal
position to use existing know-how for developing new sensor technologies
for a broad range of markets and applications,” says Peter Zimmermann,
Director Marketing at Micronas. “With the mySENS technology we are
expanding our sensor expertise towards the field of gas sensing to
target industrial as well as automotive applications.” Similar to its
success story within the Hall-effect sensor market, where Micronas
pioneered the CMOS Hall-effect sensor, mySENS technology enables the
combination of sensing elements with standard electronic devices such as
amplifiers, logic circuits, and memories. Such integration capability
will significantly contribute to the miniaturization of existing gas
sensing applications and – as a result of its small size – enable
completely new ... |
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Green Latch Enables Great Power-Saving
For Contact-Less Magnetic Scrolling Applications |
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Melexis
announces the release of the MLX92213. This newly designed low voltage
Hall-Effect Latch sensor integrates advanced power management providing
micropower-efficient solutions for battery or handheld applications.
With its ingenious magnetic design, the MLX92213 offers a breakthrough
contact-less and reliable solid-state solution for incremental rotary
encoders. The device enhances the efficiency and power consumption of
all scrolling or trackball-type applications found in computer
peripherals, mobile phones or other handheld consumer electronics. The
MLX92213 features an ultra-sensitive Hall-effect Latch operating from
1.6V to 3.6V. The output is a “Push-Pull” type so that an external
pull-up resistor is not needed for proper operation, hence reducing PCB
component count. The device is primarily targeting battery-operated
applications. The MLX92213 employs an awake/sleep strategy to reduce its
power consumption versus a standard Hall-Effect latch sensor. This
Micropower Hall-effect Latch is ideally suited for use in speed and
direction detection applications based on multipole magnets. Low Voltage
Hall-Effect Latch ... |
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Throttle position sensor with dual outputs launched at Professional
Motorsport World Expo |
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Penny
+ Giles, designer and manufacturer of high reliability position
sensors for the motorsport industry, has launched a new throttle
position sensor with dual outputs, TPS280DP, at Professional Motorsport
World Expo 2009. The new sensor, which incorporates a factory
programmable Hall effect sensor has two outputs that can be programmed
individually for angular range, output range and direction. TPS280DP is
mechanically interchangeable with most existing throttle potentiometers
using 32mm mounting centers and is designed to interface with most
common throttle body D type spindles. The sensor is available with 200mm
or 500mm cable lengths, with or without an MSS4P Mini Sure Seal
connector fitted to the DR25 sheathed spec 55A cable. TPS280DP can
operate from either a 5Vdc regulated or 9-30Vdc unregulated power supply
and has over-voltage protection to 40Vdc. It can be supplied programmed
with any one of 341 different angles in the range 0-20 to 0-360 degrees
in one degree increments and has a 12 bit resolution (0.025%) over the
selected angular range. TPS280DP has no contacting sensor parts, which
ensures there is no signal degradation over the lifetime of the sensor.
The sensor has ... |
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New Generation Green Switch drives Lower
Voltage, Deeper Micropower and Higher ESD |
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Omnipolar™
Switching Industry’s lowest current consuming magnetic, contactless,
solid-state switching. Melexis releases the New Generation of its
Micropower & Omnipolar™ Hall-Effect Switch: the MLX90248. Consistent
with Melexis’ ‘Green’ initiative, the device employs enhanced CMOS
technology, producing a non-contact magnetic switch with microwatt power
consumption. Achieving an industry standard for minimal power
consumption, this product satisfies the stringent demands of consumer
applications like flip, slide and clamshell portable handsets, PDA’s and
personal entertainment devices. Driving transistor dimensions to
sub-micron levels, the MLX90248 New Generation delivers notable
performance improvements while reducing power consumption in portable
and handheld devices. Previously specified down to 2.5V operating
voltage, the MLX90248 New Generation requires only 1.5V. Suitable for
existing 3V applications, the MLX90248 can now address the growing
number of 1.8V applications as well as meet the reduced power
consumption challenges presented by emerging markets. Additionally the
MLX90248 New Generation offers dramatically increased protection against
ESD (Electro-Static Discharge) up to 8kV, safeguarding the IC within its
production ... |
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Find
all manufacturers and suppliers of
hall sensors,
hall-effect sensors,
hall-effect switches |
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Hall effect position sensor gives maximum
performance in extreme environments |
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Penny
+ Giles has launched an upgrade to its popular SRH280 contactless
rotary position sensor. The new SRH280P incorporates a factory
programmable Hall effect rotary sensor to provide reliable and accurate
rotary measurement in extreme motorsport environments, such as steering
position monitoring, throttle position sensing and suspension feedback.
The sensor is also highly suited to a wide range of other industrial
applications. Unlike potentiometer sensors, the SRH280P can operate in
high dither vibration conditions with no deterioration of the sensing
element due to the non-contacting operating principle. As a result it
offers maximum performance in a variety of high duty cycle applications
on racing vehicles, including single-seat cars, sports cars, touring
cars and motorcycles. With no electrical sliding contacts SRH280P offers
an almost limitless sensor life. SRH280P operates from either a 5Vdc
regulated or 9-30Vdc unregulated power supply and for ease of
configuration, is available with analogue (0.5 to 4.5Vdc) or digital
(Pulse Width Modulated) signal output. The sensor is factory
programmable, allowing ... |
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Micronas presenting the smallest linear
Hall sensor with integrated EEPROM |
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Micronas,
a leading manufacturer and supplier of innovative and user-specific IC
and sensor system solutions for use in automobiles and in industry,
presents its HAL 1820, the first member of a new family of
value-optimized linear Hall sensors. The HAL 1820 is Micronas’ answer to
the market demand for an adaptable, robust and cost-effective sensor
with low space requirement for detecting the position, the direction of
movement or fluid levels, for current measurements and as an alternative
to conventional potentiometers. The HAL 1820 meets every quality
criteria of an automotive component, has best-in-class EMC capability
and features internal overvoltage and reverse voltage protection at the
power supply terminal. “The electrical characteristics of the sensor
such as field strength, sensitivity, offset and temperature coefficient
are stored in an internal EEPROM. ... |
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Hall sensors - Show them your teeth |
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Baumer
Electric: Hall sensors are particularly well suited for scanning
gears and racks made of ferromagnetic materials. Their high resolution
allows them to reliably detect gear teeth starting at module level 1.
Their maximum switching frequency is 20 kHz, making them up to five
times faster than inductive sensors employed for similar applications.
Thanks to two phase-shifted signals, Hall sensors are even capable of
detecting rotational direction or direction of travel. Hall sensors thus
offer themselves for use as replacements for incremental encoders. And
since, in contrast to encoders, they contain no ball bearings or other
moving parts, the sensors are subject to practically no wear, even at
high rotational speeds. The units themselves are vibration and shock
resistant. The front face of the M12 full metal jacket made of 1.4305
stainless steel corresponds to protection class IP 68. The operating
temperature range lies between -40 °C and +120 °C. Hall sensors are
designed for employment in harsh industrial environments subject to
extreme dust and oil contamination. Examples of such applications
include textile, tobacco and cement processing as well as agricultural
equipment. Keyways at either housing end allow them to be easily
adjusted to the gearing being scanned. ... |
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High performance DUAL OUTPUT
contactless rotary position sensor |
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Penny
+ Giles, the position sensor specialist, has launched a new
contactless rotary position sensor with dual outputs, SRH280DP. The new
sensor incorporates a factory programmable Hall effect sensor and has
two outputs that can be programmed individually. As a result, it
provides reliable and accurate rotary position measurement in extreme
industrial and off-highway environments, allowing users to improve the
safety and integrity of their control systems. OEMs can choose from a
wide selection of parameters so they can best configure the sensor to
suit their needs and achieve maximum performance. They can specify the
measurement range and output in a clockwise or anticlockwise direction.
For example, one signal can be used in a control function while the
other is used for position monitoring or display purposes. The sensor
operates from either a 5Vdc regulated or 9-30Vdc unregulated power
supply and has an over-voltage protection to 40Vdc. It can be supplied
programmed with any one of 341 different angles in the range 0-20 to
0-360 degrees in one degree increments and it has a 12 bit resolution
(0.025%) over the selected measuring range. For ease of configuration,
SRH280DP is ... |
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New measuring principle for low cost
displacement sensors |
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Micro-Epsilon
has developed a completely new displacement measurement principle with
its new Magnetic Displacement Sensor (MDS). In contrast to the widely
used Hall Effect principle, the MDS is based on a method patented by
Micro-Epsilon, which is based on a linear relationship between the
position of the magnet and the output signal. As printed coils are used
for this measurement principle, the manufacturing method does not depend
on semiconductor processes. This makes customer-specific adaptations
considerably easier. The sensors have an extremely high basic
sensitivity, which enables a very simple and low cost evaluation
circuit. With an eddy current sensor as the technological core, very
fast, high resolution versions can be achieved. Compared to Hall Effect
sensors, much larger measuring ranges (currently 60mm limit) can be
achieved. ... |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
hall sensors,
hall-effect sensors,
hall-effect switches |
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