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公开(公告)号：US20200049760A1
公开(公告)日：2020-02-13
申请号：US16655657
申请日：2019-10-17
Applicant: Allegro MicroSystems, LLC
Inventor： Shaun D. Milano , Georges El Bacha , Michael C. Doogue , David J. Haas , Gregory Delmain , Michael Gaboury , William P. Taylor
Abstract: Methods and apparatus for providing an integrated circuit having a drive current source, a magnetic sensing element coupled to the drive current source, the magnetic sensing element having first and second differential outputs, and first and second current elements to provide respective currents in relation to the drive current source, wherein the first current element is coupled to the first differential output and the second current element is coupled to the second differential output. In illustrative embodiments, an IC output can output a voltage corresponding to the currents of the first and second current elements.
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公开(公告)号：US10473486B2
公开(公告)日：2019-11-12
申请号：US15655403
申请日：2017-07-20
Applicant: Allegro MicroSystems, LLC
Inventor： Michael C. Doogue , P. Karl Scheller
Abstract: In one aspect, an integrated circuit (IC) includes a magnetic field sensor to detect speed and direction of angular rotation of a rotating magnetic structure. The magnetic field sensor includes at least two magnetic field sensing elements configured to sense changes in a magnetic field caused by rotation of the magnetic structure. The IC also includes an output port configured to provide an output signal of the magnetic field sensor. A duty cycle percentage of the output signal indicates the speed and the direction or indicates a fault.
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公开(公告)号：US10324141B2
公开(公告)日：2019-06-18
申请号：US15606262
申请日：2017-05-26
Applicant: Allegro MicroSystems, LLC
Inventor： Alexander Latham , Michael C. Doogue , Jason Boudreau
IPC: G01R33/09 , G01R33/12 , G01R35/00 , G01D5/14 , G01D5/20 , G01N27/72 , G01N27/82 , H01F5/04 , G01R33/00 , G01R33/025 , G01R33/032 , G01N27/90 , H01F5/00 , H01F27/34
Abstract: An apparatus comprises one or more substrates and one or more coils. At least one of the coils is configured to produce a first magnetic field that induces eddy currents in a conductive target, which generates a reflected magnetic field. One or more magnetic field sensing elements supported by the one or more substrates detect the reflected magnetic field. A conductive support structure supports the one or more substrates. The support structure includes a gap in an area adjacent to the one or more coils so that the support structure does not generate a reflected magnetic field in response to the first magnetic field.
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44.发明授权公开(公告)号：US09787495B2
公开(公告)日：2017-10-10
申请号：US14645957
申请日：2015-03-12
Applicant: Allegro MicroSystems, LLC
Inventor： Richard Vreeland , Nevenka Kozomora , Michael C. Doogue , Ricardo Scheinkerman
IPC: H04L12/28 , H04L12/403 , H04L29/08
CPC classification number: H04L12/403 , H04L67/125
Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may include an address to identify the network slave device on the network. It may also include a communication circuit configured to process a command received by the transceiver and generate a reply for transmission over the communication bus if an address included in the command matches the address of the slave device. A master device communicating on the network may send commands including the address of the slave device in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.
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公开(公告)号：US09739846B2
公开(公告)日：2017-08-22
申请号：US14506024
申请日：2014-10-03
Applicant: Allegro Microsystems, LLC
Inventor： Craig S. Petrie , Bryan Cadugan , David Toebes , Michael C. Doogue , William P. Taylor
CPC classification number: G01R33/072 , G01D5/145 , G01D18/00 , G01R33/091
Abstract: A system includes a magnetic target and a magnetic field sensor. The magnetic field sensor comprises an output node; a circuit to detect a magnetic field produced by the magnetic target; and a processor. The processor may be configured to transmit a signal onto the output node representing the detected magnetic field; detect whether the transmitted signal is interrupted by an external source; and, if the signal is interrupted, initiate a self-test of the apparatus. Corresponding methods and apparatuses are also disclosed.
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Patent Agency Ranking
公开(公告)号：US20170179377A1
公开(公告)日：2017-06-22
申请号：US15447320
申请日：2017-03-02
Applicant: Allegro MicroSystems, LLC
Inventor： Shaun D. Milano , Michael C. Doogue , William P. Taylor
CPC classification number: H01L43/04 , G01R33/0029 , G01R33/0052 , G01R33/0076 , G01R33/07 , G01R33/09 , H01L23/3107 , H01L23/3142 , H01L23/49503 , H01L23/49506 , H01L23/49541 , H01L23/49575 , H01L24/17 , H01L43/02 , H01L43/06 , H01L43/065 , H01L43/08 , H01L43/12 , H01L43/14 , H01L2224/16 , H01L2224/16245 , H01L2224/45144 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2224/4826 , H01L2224/49171 , H01L2224/73204 , H01L2224/73265 , H01L2924/15311 , H01L2924/15747 , H01L2924/181 , H01L2924/30107 , H01L2924/3025 , H01L2924/00014 , H01L2924/00
Abstract: Methods for providing a sensor integrated circuit package including employing a conductive leadframe and forming a non-conductive die paddle in relation to the leadframe. The method can further include placing a die on the non-conductive die paddle to form an assembly, forming at least one electrical connection between the die and the leadframe, and overmolding the assembly to form an integrated circuit package.
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公开(公告)号：US20160097825A1
公开(公告)日：2016-04-07
申请号：US14506024
申请日：2014-10-03
Applicant: Allegro Microsystems, LLC
Inventor： Craig S. Petrie , Bryan Cadugan , David Toebes , Michael C. Doogue , William P. Taylor
CPC classification number: G01R33/072 , G01D5/145 , G01D18/00 , G01R33/091
Abstract: A system includes a magnetic target and a magnetic field sensor. The magnetic field sensor comprises an output node; a circuit to detect a magnetic field produced by the magnetic target; and a processor. The processor may be configured to transmit a signal onto the output node representing the detected magnetic field; detect whether the transmitted signal is interrupted by an external source; and, if the signal is interrupted, initiate a self-test of the apparatus. Corresponding methods and apparatuses are also disclosed.
Abstract translation: 系统包括磁性靶和磁场传感器。 磁场传感器包括输出节点; 用于检测由磁性靶产生的磁场的电路; 和处理器。 处理器可以被配置为将信号发送到表示检测到的磁场的输出节点上; 检测发送信号是否被外部源中断; 并且如果信号被中断，则启动设备的自检。 还公开了相应的方法和装置。
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48.发明申请Signaling Between Master and Slave Components Using a Shared Communication Node of the Master Component 有权使用主组件的共享通信节点在主从组件之间进行信令公开(公告)号：US20150236746A1
公开(公告)日：2015-08-20
申请号：US14645946
申请日：2015-03-12
Applicant: Allegro MicroSystems, LLC
Inventor： Ricardo Scheinkerman , Nevenka Kozomora , Michael C. Doogue , Richard Vreeland
CPC classification number: H04B1/40 , G06F3/00 , H04L67/104 , H04L67/12 , H04W84/20
Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may have an address to identify the network slave device on the network. It may also have a communication circuit configured to process a series of commands received by the transceiver and respond to a command if a position of the command in the series of commands corresponds to the address of the network slave device. A master device communicating on the network may send the series of command in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.
Abstract translation: 网络从设备包括用于根据点到点网络协议通过通信总线进行通信的收发器。 网络从设备可以具有用于标识网络上的网络从设备的地址。 还可以具有通信电路，其被配置为处理由收发器接收的一系列命令，并且如果一系列命令中的命令的位置对应于网络从设备的地址，则响应命令。 在网络上通信的主设备可以根据点到点网络协议发送一系列命令。 在一个实施例中，点到点协议是SENT协议。
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公开(公告)号：US08952471B2
公开(公告)日：2015-02-10
申请号：US13918064
申请日：2013-06-14
Applicant: Allegro Microsystems, LLC
Inventor： Michael C. Doogue , William P. Taylor , Vijay Mangtani
CPC classification number: H01L43/02 , B82Y25/00 , G01R15/08 , G01R15/207 , G01R33/02 , G01R33/06 , G01R33/07 , G01R33/09 , G01R33/093 , H01L23/49541 , H01L25/162 , H01L43/04 , H01L43/065 , H01L43/08 , H01L2224/48091 , H01L2224/48137 , H01L2224/48247 , H01L2924/3025 , H01L2924/00014 , H01L2924/00
Abstract: An integrated circuit can have a first substrate supporting a magnetic field sensing element and a second substrate supporting another magnetic field sensing element. The first and second substrates can be arranged in a variety of configurations. Another integrated circuit can have a first magnetic field sensing element and second different magnetic field sensing element disposed on surfaces thereof.
Abstract translation: 集成电路可以具有支撑磁场感测元件的第一基板和支撑另一磁场感测元件的第二基板。 第一和第二基板可以以各种配置布置。 另一个集成电路可以具有设置在其表面上的第一磁场感测元件和第二不同的磁场感测元件。
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50.发明申请公开(公告)号：US20130335066A1
公开(公告)日：2013-12-19
申请号：US13969702
申请日：2013-08-19
Applicant: Allegro Microsystems, LLC
Inventor： Juan Manuel Cesaretti , Gerardo A. Monreal , William P. Taylor , Michael C. Doogue
IPC: G01R35/00
CPC classification number: G01R35/005 , G01R33/0035
Abstract: A magnetic field sensor includes a diagnostic circuit that allows a self-test of most of, or all of, the circuitry of the magnetic field sensor, including a self-test of a magnetic field sensing element used within the magnetic field sensor. The magnetic field sensor can generate a diagnostic magnetic field to which the magnetic field sensor is responsive.
Abstract translation: 磁场传感器包括诊断电路，其允许对磁场传感器的电路的大部分或全部进行自检，包括在磁场传感器内使用的磁场感测元件的自检。 磁场传感器可以产生磁场传感器响应的诊断磁场。
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