公开(公告)号：US11281576B2

公开(公告)日：2022-03-22

申请号：US16878962

申请日：2020-05-20

Applicant: Melexis Technologies NV

Inventor： Nicolas Vielcanet ,  Philippe Laugier ,  Thomas Freitag ,  Benoit Heroux

IPC: G06F12/14 ,  G06F12/02 ,  G06F9/30 ,  G06F9/48 ,  G06F11/07 ,  G06F11/32

Abstract: A memory device includes a non-volatile memory block, a protection unit arranged for connecting to a communication bus, and a sequencer arranged to receive commands from the protection unit. A logic circuit is arranged to output an enabling signal, and includes first and second logic subcircuits, and a combiner logic circuit.

公开(公告)号：US11193835B2

公开(公告)日：2021-12-07

申请号：US16190384

申请日：2018-11-14

Applicant: Melexis Technologies NV

Inventor： Viktor Kassovski ,  Kostadin Bobchev ,  Ivan Lesichkov

IPC: G01K7/00 ,  G01K7/10 ,  G01K1/08 ,  G01K7/02 ,  G01R31/28 ,  G01R27/08 ,  G01K15/00

Abstract: A circuit for determining and/or compensating for a measurement error of a sheathed sensor due to a property of a sheath of that sheathed sensor comprises a first and a second terminal for connecting to a pair of sensor signal leads of a sensor element in a sheathed sensor and a voltage measurement circuit. A switching unit controls switching an electrical connection between a first and a second state. A correction measurement circuit generates a correction signal indicative of that a measured current running from the first terminal through the switching unit. A controller receives the measurement and correction signal in both the first and second state, and calculates an error value indicative of the measurement error and/or a sensor readout value that is corrected for the measurement error by taking the measurement and correction signal into account as obtained in both the first and second state.

公开(公告)号：US20210376839A1

公开(公告)日：2021-12-02

申请号：US17329814

申请日：2021-05-25

Applicant: Melexis Technologies NV

Inventor： Johan VERGAUWEN

IPC: H03L7/099 ,  G01R19/252 ,  G01D3/00 ,  G01D5/16

Abstract: An oscillator-based sensor interface circuit includes first and second input nodes arranged to receive first and second electrical signals representative of an electrical quantity, respectively; an analog filter; a first oscillator arranged to receive a first oscillator input signal and a second oscillator different from the first oscillator and arranged to receive a second oscillator input signal; a comparator arranged to compare signals coming from the first and second oscillators; a first feedback element arranged to receive a representation of the digital comparator output signal and to convert the representation into a first feedback signal to be applied to the oscillation means; a digital filter arranged to yield an output signal, being an filtered version of the digital comparator output signal; a second feedback element arranged to receive the output signal and to convert the output signal into a second feedback signal.

公开(公告)号：US20210351309A1

公开(公告)日：2021-11-11

申请号：US17314417

申请日：2021-05-07

Applicant: Melexis Technologies NV

Inventor： Volodymyr SELIUCHENKO

IPC: H01L31/0352 ,  H01L27/146 ,  G01S17/894 ,  G01S7/4865 ,  G01S17/06

Abstract: A photonic mixer device for multiplying an impinging optical signal with a reference electrical signal includes: a semiconductor substrate of a first conductivity type; two detector regions of a second conductivity type different from the first conductivity type; two biasing regions of the first conductivity type with a higher dopant concentration than the dopant concentration of the semiconductor substrate, each biasing region positioned near one of the respective detector regions, wherein an electrical field can be formed in the semiconductor substrate by applying a voltage bias between the biasing regions; two bias electrodes, which are isolated from the substrate and the biasing regions, wherein each bias electrode is only locally, partially or completely, covering an outer edge of one of the respective biasing regions.

公开(公告)号：US20210239839A1

公开(公告)日：2021-08-05

申请号：US17161918

申请日：2021-01-29

Applicant: Melexis Technologies NV

Inventor： Volodymyr SELIUCHENKO

IPC: G01S17/894 ,  G01S17/18

Abstract: A depth mapping system includes a time of flight ranging system including structured and unstructured light sources, an optical sensor unit and a signal processing unit. The system time employs first and second time of flight ranging technique in respect of the optical sensor unit. The first and second time of flight techniques measure respective first and second distance ranges over a first and a second respective field of view. Measurement of the first and second distance ranges are respectively at a first angular resolution and a second angular resolution greater than the first angular resolution. The structured and unstructured light sources respectively operate in respect of the first and second time of flight techniques. First and second regions of the optical sensor unit respectively have the first and second fields of view associated therewith, and the structured source has a greater emission radiant intensity than the unstructured source.

公开(公告)号：US20210239810A1

公开(公告)日：2021-08-05

申请号：US17160724

申请日：2021-01-28

Applicant: Melexis Technologies NV

Inventor： Andreas OTT

IPC: G01S7/4913 ,  G01S17/32 ,  G01S7/48

Abstract: An apparatus (100) comprises a light source that emits light modulated selectively at first and second modulation frequencies. A photonic mixer cell (102) generates and stores a plurality of electrical output signals respectively corresponding to phase offset values applied in accordance with an indirect time of flight technique and in respect of the selected modulation frequency. A signal processing circuit processes a first number of the electrical output signals at the first modulation frequency to calculate a first measurement phase angle (φ1) from a calculated first measurement vector, and a second number of the electrical output signals at the second modulation frequency to calculate a second measurement phase angle (φ2) from a second calculated measurement vector. A phase angle difference (Δφ) between the first and second measurement phase angles (φ1, φ2) is then calculated and a correction value (φcorr) applied to the phase angle difference (Δφ) to yield an extended range phase angle (φext) for calculating a range.

公开(公告)号：US10964611B2

公开(公告)日：2021-03-30

申请号：US15819260

申请日：2017-11-21

Applicant: Melexis Technologies NV

Inventor： Gunnar Munder ,  Heiko Grimm ,  Thomas Freitag

IPC: H01L21/66 ,  H01L23/00 ,  H01L25/00 ,  H01R31/02 ,  G01R31/26 ,  G01R31/28 ,  G01R19/00 ,  H01L23/66 ,  H01L23/64

Abstract: An edge crack monitoring system for an integrated circuit provided on a die, comprises a conductive trace comprising at least a first conductive path for allowing current in a first direction, and a second adjacent conductive path for allowing current in a second direction opposite to the first direction. Both adjacent conductive paths form at least one loop surrounding a semiconductor device on a die. The arrangement of the trace is adapted to provide compensation of EM interferences. The trace comprises two terminals being connectable to a detection circuit for detecting damages by generating a fault signal upon detection of disruption of the conductive trace due to a damage. The conductive trace comprises high resistance portions with a resistance of at least 1 kΩ, adapted for reducing self-resonance.

公开(公告)号：US10830612B2

公开(公告)日：2020-11-10

申请号：US16385215

申请日：2019-04-16

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Christian Schott ,  Samuel Huber

IPC: G01R33/06 ,  G01D5/14 ,  G01D5/244

Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.

公开(公告)号：US20200144139A1

公开(公告)日：2020-05-07

申请号：US16735117

申请日：2020-01-06

Applicant: Melexis Technologies NV

Inventor： Gunnar MUNDER ,  Heiko GRIMM ,  Thomas FREITAG

IPC: H01L21/66 ,  H01L23/00 ,  G01R31/28 ,  H01L23/64 ,  H01L23/66

Abstract: An edge crack monitoring system for an integrated circuit provided on a die, comprises a conductive trace comprising at least a first conductive path for allowing current in a first direction, and a second adjacent conductive path for allowing current in a second direction opposite to the first direction. Both adjacent conductive paths form at least one loop surrounding a semiconductor device on a die. The arrangement of the trace is adapted to provide compensation of EM interferences. The trace comprises two terminals being connectable to a detection circuit for detecting damages by generating a fault signal upon detection of disruption of the conductive trace due to a damage. The conductive trace comprises high resistance portions with a resistance of at least 1 kΩ, adapted for reducing self-resonance.

公开(公告)号：US20200091415A1

公开(公告)日：2020-03-19

申请号：US16575640

申请日：2019-09-19

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Jan-Willem Burssens ,  Appolonius Van Der Wiel

IPC: H01L43/04 ,  G01R33/07 ,  G01R33/24 ,  H01L43/06

Abstract: A semiconductor device includes an electronic circuit, an interconnection contact such as a solder ball, and a plate configured to concentrate magnetic flux to a predetermined area. The plate is electrically conductive, and it is electrically connected to the electronic circuit.