公开(公告)号：US20160118917A1

公开(公告)日：2016-04-28

申请号：US14922329

申请日：2015-10-26

Applicant: Melexis Technologies NV

Inventor： Christian PAINTZ

IPC: H02P6/14

CPC classification number: H02P27/08 ,  H02P6/085 ,  H02P6/15 ,  H02P6/182 ,  H02P2209/11 ,  H02P2209/13

Abstract: A method for assisting in operating a PWM driven motor comprising for at least one phase of the PWM driven motor: generating a pulse width modulated phase voltage scheme according to a desired phase profile with a base scaling factor, by time multiplexing a first pulse and at least a further pulse within a pulse width modulation period of the phase the first pulse having a pulse width according to a first profile, for that rotor position, multiplied with a first scaling factor, the first profile being in phase with the desired phase profile, and the at least a further pulse having a pulse width corresponds with a further profile, for that rotor position, multiplied with a further scaling factor, the further profile being not in phase with the desired phase profile, whereby the first pulse and the at least one further pulse are positioned within the pulse width modulation period of the phase in at least partially non-overlapping way.

Abstract translation: 一种用于辅助PWM驱动电机的操作的方法，所述PWM驱动电动机包括用于所述PWM驱动电动机的至少一个相位的步骤：通过对第一脉冲进行时间复用并根据所需的相位曲线产生具有基准比例因子的脉宽调制相电压方案 所述相位的脉冲宽度调制周期内的至少一个脉冲具有与所述转子位置相对应的第一轮廓的脉冲宽度乘以第一缩放因子的第一脉冲，所述第一轮廓与期望的相位轮廓同相， 并且具有脉冲宽度的至少另外的脉冲对应于另一个轮廓，对于该转子位置乘以另外的比例因子，另外的轮廓与期望的相位轮廓不同相，由此第一脉冲和至少 至少部分不重叠的方式将一个另外的脉冲定位在相位的脉冲宽度调制周期内。

公开(公告)号：US20160111631A1

公开(公告)日：2016-04-21

申请号：US14918704

申请日：2015-10-21

Applicant: Melexis Technologies NV ,  X-FAB Semiconductor Foundries AG

Inventor： Christian SCHOTT ,  Peter HOFMANN

IPC: H01L43/06 ,  H01L43/14 ,  G01R33/07 ,  H01L43/04

CPC classification number: H01L43/065 ,  G01R33/07 ,  G01R33/077 ,  H01L43/04 ,  H01L43/14

Abstract: A semiconductor chip for measuring a magnetic field based on the Hall effect. The semiconductor chip comprises an electrically conductive well having a first conductivity type, in a substrate having a second conductivity type. The semiconductor chip comprises at least four well contacts arranged at the surface of the well, and having the first conductivity type. The semiconductor chip comprises a plurality of buffer regions interleaved with the well contacts and having the first conductivity type. The buffer regions are highly conductive and the buffer region dimensions are such that at least part of the current from a well contact transits through one of its neighboring buffer regions.

Abstract translation: 一种用于基于霍尔效应测量磁场的半导体芯片。 在具有第二导电类型的衬底中，半导体芯片包括具有第一导电类型的导电阱。 半导体芯片包括布置在阱表面的至少四个阱触点，并且具有第一导电类型。 半导体芯片包括与阱触点交错并具有第一导电类型的多个缓冲区。 缓冲区域是高导电性的，并且缓冲区域尺寸使得来自阱接触点的电流的至少一部分经过其相邻缓冲区域之一。

公开(公告)号：US09310224B2

公开(公告)日：2016-04-12

申请号：US14479510

申请日：2014-09-08

Applicant: Melexis Technologies NV

Inventor： Christian Schott

IPC: G01B7/14 ,  G01D5/14 ,  G01R33/07

CPC classification number: G01D5/145 ,  G01R33/07 ,  G01R33/077

Abstract: A magnetic field sensor structure having a number of inner, outer and intermediate electrodes, arranged in a particular manner, such that groups of four electrodes can be used to form horizontal Hall elements, whereby neighboring Hall elements “share” one of the two readout electrodes. Multiple Hall elements may be biased and readout simultaneously. A modulated or unmodulated readout-technique may be used. Integrated magnetic concentrator may be added to the structure. The number of Hall elements may be odd or even. The structure can be used e.g. to measure the magnetic field of a 2-pole, 4-pole or 6-pole ring or disk magnet.

Abstract translation: 一种磁场传感器结构，其具有以特定方式布置的多个内部电极，外部电极和中间电极，使得可以使用四个电极组来形成水平霍尔元件，由此相邻的霍尔元件“共享”两个读出电极之一 。 多个霍尔元件可能被偏置并同时读出。 可以使用调制或未调制的读出技术。 集成磁选机可以添加到结构中。 霍尔元件的数量可能是奇数或偶数。 该结构可以例如使用。 以测量2极，4极或6极环或磁盘磁体的磁场。

公开(公告)号：US09267847B2

公开(公告)日：2016-02-23

申请号：US14744410

申请日：2015-06-19

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Viktor Kassovski ,  Luc Buydens ,  Sam Maddalena

IPC: G01J5/02 ,  G01J5/12 ,  G01J5/08 ,  G01J5/00

CPC classification number: G01J5/12 ,  G01J5/0803 ,  G01J5/16 ,  G01J2005/0048 ,  G01J2005/066

Abstract: An infrared sensor for temperature sensing comprises a cap covering a substrate; an IR-radiation filtering window in the cap transparent to IR radiation; a first sensing element comprising a set of N thermocouples on the substrate covered by the cap, whose hot junctions may receive radiation; a second sensing element comprising a set of N thermocouples on the substrate covered by the cap whose hot junctions may not receive radiation; first connection modules for connecting a number N1 of thermocouples of the first sensing element, second connection modules for connecting a number N2 of thermocouples of the second sensing; connecting means for connecting an output of the first connection modules of the first sensing element with an output of the second connection modules of the second sensing element, and an output of the combined outputs of the sensing elements.

Abstract translation: 用于温度感测的红外传感器包括覆盖基板的盖子; IR辐射中的IR辐射过滤窗对IR辐射透明; 第一感测元件包括在由帽盖覆盖的衬底上的一组N个热电偶，其热接点可以接收辐射; 第二感测元件，包括一组N个热电偶，所述N个热电偶在所述基板上被所述盖子覆盖，所述盖子的热接头可能不接收辐射; 用于连接第一感测元件的N1个热电偶的第一连接模块，用于连接第二感测的热电偶的数量N2的第二连接模块; 连接装置，用于将第一感测元件的第一连接模块的输出与第二感测元件的第二连接模块的输出连接，以及感测元件的组合输出的输出。

公开(公告)号：US20150311834A1

公开(公告)日：2015-10-29

申请号：US14669742

申请日：2015-03-26

Applicant: Melexis Technologies NV ,  DriveXpert GmbH

Inventor： Sandro PURFUERST ,  Heiko GRIMM ,  Viktor PETRI

IPC: H02P6/00

CPC classification number: H02P6/28 ,  H02P25/092

Abstract: A circuit for controlling a multiphase SRM motor, comprising for each winding a low-side and a high-side transistor, and a low-side and a high-side diode for, and at least one current sensor, e.g. a single current sensor, arranged in low-side or high-side implementation for measuring a current through a first and second winding, and a controller adapted for configuring the transistors such that: during a first time slot only the first winding is energized while the second winding is freewheeling via a selected freewheeling path, during a second time slot only the second winding is energized while the first winding is freewheeling via a selected freewheeling path, and measuring the first and second current in said time slots. A method of driving said transistors.

Abstract translation: 一种用于控制多相SRM电动机的电路，包括用于每个绕组低侧和高侧晶体管，以及用于和至少一个电流传感器的低侧和高侧二极管。 布置在低侧或高侧实施中的单电流传感器，用于测量通过第一和第二绕组的电流;以及控制器，适于配置晶体管，使得：在第一时隙期间，仅第一绕组被通电，而 第二绕组经由所选择的续流路径续流，在第二时隙期间，仅第二绕组通电，而第一绕组经由选定的续流路径续流，并测量所述时隙中的第一和第二电流。 一种驱动所述晶体管的方法。

公开(公告)号：US20150311353A1

公开(公告)日：2015-10-29

申请号：US14735369

申请日：2015-06-10

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Appolonius Jacobus VAN DER WIEL

IPC: H01L29/84 ,  G01L1/18

CPC classification number: G01L1/18 ,  G01L9/0055 ,  G01L9/065 ,  G01L19/02

Abstract: A semiconductor pressure sensor for measuring an external pressure exerted on the sensor, comprises: a membrane; a first resistor connected between a first bias node and a first output node; a second resistor connected between said first bias node and a second output node; a first and second current source connected to the first resp. second output node for generating a differential voltage signal indicative of the external pressure to be measured. The resistors comprise piezo-resistive strips arranged in particular crystallographic directions. The circuit may have a third and four resistor pair for compensating package stress. The Piezo-resistive strips may be formed as p-doped regions within an n-well, the biasing node being electrically connected to the n-well.

Abstract translation: 一种用于测量施加在传感器上的外部压力的半导体压力传感器，包括：膜; 连接在第一偏置节点和第一输出节点之间的第一电阻器; 连接在所述第一偏置节点和第二输出节点之间的第二电阻器; 连接到第一和第二电流源的第一和第二电流源。 第二输出节点，用于产生指示要测量的外部压力的差分电压信号。 电阻器包括布置在特定晶体方向上的压阻条。 电路可以具有用于补偿封装应力的第三和四个电阻器对。 压电阻带可以形成为n阱内的p掺杂区域，偏压节点电连接到n阱。

公开(公告)号：US09059651B2

公开(公告)日：2015-06-16

申请号：US13644539

申请日：2012-10-04

Applicant: Melexis Technologies NV

Inventor： Sandro Purfuerst ,  Thomas Freitag ,  Veit Zöppig ,  Tom Ströhla

IPC: H02P6/00 ,  H02K29/06 ,  H02P6/18 ,  H02P25/08

CPC classification number: H02P6/18 ,  H02P6/186 ,  H02P25/083 ,  H02P25/089

Abstract: A method for determining the position of a moving rotor in a switched reluctance motor includes the steps of applying a voltage to a phase winding of the reluctance motor, sampling a signal representative of the current magnitude in this phase winding, detecting a feature of the second temporal derivative of the signal, and determining the position of the moving rotor taking into account the occurrence of this feature. Apparatus for carrying out the method is described.

Abstract translation: 用于确定开关磁阻电动机中的移动转子的位置的方法包括以下步骤：向所述磁阻电动机的相绕组施加电压，对表示所述相绕组中的电流大小的信号进行采样，检测所述第二 信号的时间导数，并且考虑到该特征的发生来确定移动转子的位置。 描述用于执行该方法的装置。

公开(公告)号：US20150136985A1

公开(公告)日：2015-05-21

申请号：US14542745

申请日：2014-11-17

Applicant: Melexis Technologies NV

Inventor： Luc BUYDENS

IPC: H01L31/0232 ,  H01L31/0352 ,  G01J5/02

CPC classification number: H01L31/0232 ,  G01J1/0214 ,  G01J1/06 ,  G01J5/0265 ,  G01J5/06 ,  G01J5/0831 ,  G01J5/089 ,  H01L31/02325 ,  H01L31/0352

Abstract: A semiconductor device comprising an infrared sensor assembly for sensing infrared radiation is described. The infrared sensor assembly comprises a single sensing element for sensing infrared radiation and an aperture means comprising a plurality of apertures. The sensing element and the aperture means thereby are positioned with respect to each other so that the plurality of apertures are positioned in front of the same, single sensing element so that the plurality of apertures limit the field of view of the same, single sensing element for impinging radiation.

Abstract translation: 描述了包括用于感测红外辐射的红外传感器组件的半导体器件。 红外传感器组件包括用于感测红外辐射的单个感测元件和包括多个孔的孔装置。 因此，感测元件和孔装置相对于彼此定位，使得多个孔定位在相同的单个感测元件的前面，使得多个孔限制相同的单个感测元件的视场 用于冲击辐射。

公开(公告)号：US20140333301A1

公开(公告)日：2014-11-13

申请号：US14264635

申请日：2014-04-29

Applicant: Melexis Technologies NV

Inventor： Robert Racz ,  Mathieu Ackermann ,  Jian Chen

IPC: G01R19/00 ,  G01R33/07

CPC classification number: G01R19/0092 ,  G01R15/20 ,  G01R15/207 ,  G01R33/07

Abstract: A device for current measurement comprises a substrate with a first current conductor and a current sensor with a second current conductor. The current sensor is mounted above the first current conductor on the substrate. The second current conductor is formed with integrally attached first and second terminal leads through which the current to be measured is supplied and discharged. The current sensor further comprises a semiconductor chip with a magnetic field sensor mounted on the second current conductor on the side of the second current conductor facing the substrate. The magnetic field sensor is sensitive to a component of the magnetic field extending parallel to the surface of the semiconductor chip and perpendicular to the second current conductor. The second current conductor extends above and parallel to the first current conductor.

Abstract translation: 用于电流测量的装置包括具有第一电流导体的基板和具有第二电流导体的电流传感器。 电流传感器安装在基板上的第一电流导体上方。 第二电流导体形成有整体连接的第一和第二端子引线，待测量的电流通过该引线提供和放电。 电流传感器还包括具有磁场传感器的半导体芯片，该磁场传感器安装在面对衬底的第二电流导体一侧上的第二电流导体上。 磁场传感器对平行于半导体芯片的表面并垂直于第二电流导体的磁场分量敏感。 第二电流导体延伸到第一电流导体上方并平行。

公开(公告)号：US20140208190A1

公开(公告)日：2014-07-24

申请号：US14154570

申请日：2014-01-14

Applicant: MELEXIS TECHNOLOGIES NV ,  STMICROELECTRONICS (ROUSSET) SAS

Inventor： Thierry BOUSQUET ,  Oleksandr ZHUK

IPC: G06F11/10 ,  H04B5/00

CPC classification number: G06F11/1004 ,  H04B5/0031 ,  H04B5/0056 ,  H04L1/0045

Abstract: A method is for processing transmission errors during contactless communication of information between a device and a reader. The information may be transmitted in the form of frames sent to a send/receive module of the reader in contactless coupling with the device and controlled by a control module coupled to the send/receive module. The information may be extracted from the frames within the send/receive module so as to be delivered to the control module. The method may include a detection of transmission errors that are to be ignored.

Abstract translation: 一种在设备和读取器之间的无信息通信期间处理传输错误的方法。 信息可以以与发送/接收模块耦合的控制模块非接触式耦合的读取器发送/接收模块的帧的形式发送。 可以从发送/接收模块内的帧中提取信息，以将其传送到控制模块。 该方法可以包括将被忽略的传输错误的检测。