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TDK introduces 3D HAL® technology-based position sensor with analog output and SENT interface
  • The new Hall-effect sensor, HAL 3927, offers ratiometric analog output and digital SENT protocol according to SAE J2716 rev. 4
  • Superior angular measurement and ISO 26262 compliant development to support safety-critical automotive and industrial applications in a small SOIC8 SMD package

TDK Corporation (TSE:6762) announces the portfolio expansion of its Micronas direct-angle Hall-effect sensor family with the new HAL® 3927* sensor for automotive and industrial applications. HAL 3927 features a linear, ratiometric analog output with integrated wire-break detection as well as an SAE J2716 compliant SENT interface according to rev. 4. Samples are already available. The start of production is planned for the first quarter of 2024.

The new device is a high-resolution position sensor for highly accurate position measurements. Thanks to the sensor’s versatile programming characteristics and its high accuracy, the HAL 3927 is a potential solution for linear movement measurements in transmissions, in clutch pedals, as an engine stroke sensor, for liquid level sensing, and for cylinder and valve position measurements. Furthermore, HAL 3927 is well suited for rotary position measurement in gear selectors, as a rotary selector with push function or in rear-axis, etc.** Its accurate integrated temperature sensor allows customers to replace other external temperature sensors if the application is using the SENT interface.

The HAL 3927 is based on Hall technology and can measure horizontal and vertical magnetic-field components BX, BY and BZ. Based on the signals of two out of three magnetic-field components, the device can measure 360° angular range and linear movements. On-chip signal processing calculates one angle out of two orthogonal magnetic-field components and converts this value into an output signal. In addition to the built-in signal processing, the sensor features an arbitrary programmable output characteristic, e.g. for linearization of the output signal via up to 33 setpoints (17 variable- or 33 fixed). Major characteristics like gain and offset, reference position, etc. can be adjusted to the magnetic circuitry by programming the non-volatile memory. This product is defined as ASIL B ready SEooC (Safety Element out of Context) according to ISO 26262. The sensor is available in the eight-pin SOIC8 SMD package.

Glossary

  • 3D HAL® pixel cell: Enables the direct measurement of magnetic fields in three directions X, Y, Z.

Main applications

  • Detection of angle of rotation in automotive applications, rotary shifters (with push-function), liquid-level measurement, as well as rear-axis steering systems
  • Detection of linear position in applications like clutch or brake pedal stroke, transmission system, cylinder and valve position sensing

Main features and benefits

  • Very low angular error of ±1.0° @ 30 mT amplitude
  • End-of-shaft and off-axis 360° angular measurement
  • Direct measurement of magnetic-field amplitude (BX, BY, BZ)
  • Customer-selectable analog or SENT output
  • Very accurate internal temperature sensor and temperature information transmission via SENT
  • ASIL B ready SEooC according to ISO 26262 to support functional-safety applications
  • Suitable for automotive applications, due to a wide ambient temperature range from -40 °C to 160 °C

Key data***

 
TypeHAL 3927
PackageSOIC8
Output formatsAnalog, SENT SAE J2716 rev. 4
Angular error±1° @ ±30 mT for rotary end-of-shaft setups
Magnetic-field amplitude range±20 to ±130 mT. Down to 5 mT with reduced accuracy.
SafetyASIL B ready, developed according to ISO 26262

* HAL/HAR 39xy uses licenses of Fraunhofer Institute for Integrated Circuits (IlS).
** Any mention of target applications for our products are made without a claim for fit for purpose as this has to be checked at system level.
*** All operating parameters must be validated for each customer application by customers’ technical experts.

 Further information on the products can be found https://www.micronas.tdk.com/en/products/direct-angle-sensors/hal-39xy.

2023101203 / 12.10.2023 / Electronic-components / TDK Corporation /

TDK introduces new stray-field robust 3D-magnetic position sensor with capabilities for processing external signals

TDK announces new 3-axis accelerometer, finalizing transition of SmartAutomotive™ non-safety product family to 105°C

TDK introduces 3D HAL® technology-based position sensor with analog output and SENT interface

TDK offers mechanically decoupled ultrasonic modules for collision avoidance
TDK Corporation presents the ultrasonic sensor module USSM1.0 PLUS-FS, in which the sensor element is mechanically decoupled from the housing. This makes the IP65/67 protected sensor with the order number B59110W2111W032 immune to external mechanical vibrations that can falsify the measurement result. The module, which is supplied with a nominal voltage of 12 V, can be mounted in a front chassis via a M19 thread with a locking nut or via snap hooks.

TDK offers compact high-current chokes for automotive and industrial applications
TDK Corporation presents the B82559A*A033 series of new shielded EPCOS ERU33 high-current chokes for through-hole mounting. Designed for very high saturation currents from 32 A to 83 A at 100 °C, the six new types cover a range of inductance values from 3.2 µH to 10 µH.

EMC Components: TDK develops industry’s first high-reliability chip beads for automotive
TDK Corporation announced the development and mass production of the MMZ1608-HE series of high-reliability chip beads for automotive use, compatible with high-durability solder in 150 ℃ environments.

Surge protection: Failsafe chip varistors for automotive battery lines
TDK Corporation presents a new range of Open Mode chip varistors for electronic automotive assemblies that are directly connected to the battery. The new chip varistors offer reliable protection against transient surge voltages according to ISO 7637-2, and meet the failsafe requirements according to the VW standard VW 80808. Even when subject to excessive bending stress, short-circuits are avoided, which is particularly important for unswitched battery terminals (e.g. terminal 30).

Inductors: Compact dual inductors with high saturation current
TDK Corporation has extended its range of dual inductors to include the new EPCOS series B82477D6*. The seven series types cover an inductance range from 2 x 3.9 µH to 2 x 47 µH and are designed for maximum rated currents from 2.83 A to 7.05 A. A special feature of the inductors, which are certified according to AEC-Q200 and compatible with RoHS, are the high saturation currents of up to 16.1 A.

Aluminum electrolytic capacitors: Compact design with high ripple current capability
TDK Corporation (TSE:6762) presents the new B43707* and B43727* series of EPCOS aluminum electrolytic capacitors with screw terminals. They are designed for rated voltages of between 400 V DC and 450 V DC and cover a capacitance range from 1800 µF to 18,000 µF.

TDK announces world’s first MIPI standard SoundWire® microphone
TDK Corporation (TSE: 6762) introduces the world’s first MIPI Standard SoundWire® microphone for mobile, IoT and other consumer devices. This multimode microphone pushes the boundaries of digital microphone acoustic performance while providing advanced feature sets with very low power.

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electronica 2024, 12.11.-15.11.2024, Munich, DE
DistribuTECH, 11.2.-13.2.2025, Dallas, TX

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