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公开(公告)号：US10461810B2
公开(公告)日：2019-10-29
申请号：US15638212
申请日：2017-06-29
Applicant: Texas Instruments Incorporated
Inventor： Benjamin Stassen Cook , Nathan Brooks , Swaminathan Sankaran , Bradley Allen Kramer , Mark W. Morgan , Baher Haroun
Abstract: A system is provided in which a set of modules each have a substrate on which is mounted a radio frequency (RF) transmitter and/or an RF receiver coupled to a near field communication (NFC) coupler located on the substrate. Each module has a housing that surrounds and encloses the substrate. The housing has a port region on a surface of the housing. Each module has a field confiner located between the NFC coupler and the port region on the housing configured to guide electromagnetic energy emanated from the NFC coupler through the port region to a port region of an adjacent module. A reflective surface is positioned adjacent the backside of each NFC coupler to reflect back side electromagnetic towards the port region.
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公开(公告)号：US09780689B2
公开(公告)日：2017-10-03
申请号：US14961440
申请日：2015-12-07
Applicant: Texas Instruments Incorporated
Inventor： Lei Chen , Rajarshi Mukhopadhyay , Mark W. Morgan , Joseph A. Sankman
CPC classification number: H02M7/217 , H02M3/158 , H02M3/28 , H02M2001/123 , Y02B70/1425 , Y02B70/1441
Abstract: A method and device for providing isolated power transfer to a low-power load across a capacitor of a series resonance circuit are shown. The method includes comparing an output voltage received via a feedback loop with a desired output voltage. Responsive to determining that the output voltage is not equal to the desired output voltage, the method determines a sub-harmonic order of the resonant frequency of the series resonance circuit to use as a switching frequency and switches the series resonance circuit at substantially the determined subharmonic order of the resonant frequency.
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公开(公告)号：US20160308691A1
公开(公告)日：2016-10-20
申请号：US15195687
申请日：2016-06-28
Applicant: Texas Instruments Incorporated
Inventor： Mark W. Morgan , Rajarshi Mukhopadhyay
CPC classification number: H04L25/0272 , H04B3/54 , H04B3/56 , H04B2203/5425 , H04B2203/5491
Abstract: In described examples, a first isolation element electrically isolates a first circuit from a second circuit and passes AC signals between the first circuit and the second circuit. A second isolation element electrically isolates the first circuit from the second circuit and passes AC signals between the first circuit and the second circuit. A ground of the second circuit electrically floats relative to a ground of the first circuit, so that a digital signal is able to pass from the second circuit through a third isolation element to the first circuit. A supply voltage generation device converts AC signals from the first isolation element and the second isolation element into at least one DC voltage to power the second circuit.
Abstract translation: 在所述示例中，第一隔离元件将第一电路与第二电路电隔离并在第一电路和第二电路之间传递AC信号。 第二隔离元件将第一电路与第二电路电隔离并在第一电路和第二电路之间传递AC信号。 第二电路的接地相对于第一电路的接地电浮动，使得数字信号能够从第二电路通过第三隔离元件传递到第一电路。 电源电压产生装置将来自第一隔离元件和第二隔离元件的交流信号转换为至少一个直流电压以为第二电路供电。
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公开(公告)号：US10742134B2
公开(公告)日：2020-08-11
申请号：US15685007
申请日：2017-08-24
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Lei Chen , Rajarshi Mukhopadhyay , Mark W. Morgan , Joseph A. Sankman
Abstract: A method and device for providing isolated power transfer to a low-power load across a capacitor of a series resonance circuit are shown. The method includes comparing an output voltage received via a feedback loop with a desired output voltage. Responsive to determining that the output voltage is not equal to the desired output voltage, the method determines a sub-harmonic order of the resonant frequency of the series resonance circuit to use as a switching frequency and switches the series resonance circuit at substantially the determined subharmonic order of the resonant frequency.
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公开(公告)号：US09973220B2
公开(公告)日：2018-05-15
申请号：US15166426
申请日：2016-05-27
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradley Allen Kramer , Mark W. Morgan , Swaminathan Sankaran
CPC classification number: H04B1/0475 , H01L2224/48091 , H03F1/02 , H03F3/24 , H04B2001/0408 , H04B2001/045 , H04L25/0266 , H04L25/069 , H04L25/49 , H01L2924/00014
Abstract: Isolation circuits for digital communications and methods to provide isolation for digital communications are disclosed. An example isolation circuit includes an isolation barrier, a burst encoder in a first circuit, and an edge pattern detector in a second circuit. The example isolation barrier electrically isolates the first circuit from the second circuit. The example burst encoder generates a first pattern in response to receiving a rising edge on an input signal and generates a second pattern in response to receiving a falling edge on the input signal. The example edge pattern detector detects the first pattern or the second pattern received from the burst encoder via the isolation barrier, sets an output signal at a first signal level in response to detecting the first pattern, and sets the output signal at a second signal level in response to detecting the second pattern.
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Patent Agency Ranking
公开(公告)号：US20170033614A1
公开(公告)日：2017-02-02
申请号：US15292156
申请日：2016-10-13
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bharadvaj Bhamidipati , Swaminathan Sankaran , Mark W. Morgan , Gregory E. Howard , Bradley A. Kramer
CPC classification number: H02J50/12 , H02J50/23 , H04B5/005 , H04B5/0087
Abstract: A system on a package (SOP) can include a galvanic isolator. The galvanic isolator can include an input stage configured to transmit an input RF signal in response to receiving an input modulated signal. The galvanic isolator can also include a resonant coupler electrically isolated from the input stage by a dielectric. The resonant coupler can be configured to filter the input RF signal and transmit an output RF signal in response to the input RF signal. The galvanic isolator can further include an output stage electrically isolated from the resonant coupler by the dielectric. The output stage can be configured to provide an output modulated signal in response to receiving the output RF signal.
Abstract translation: 封装上的系统（SOP）可以包括电隔离器。 电流隔离器可以包括输入级，其被配置为响应于接收到输入调制信号而发送输入RF信号。 电流隔离器还可以包括通过电介质与输入级电隔离的谐振耦合器。 谐振耦合器可以被配置为对输入的RF信号进行滤波，并响应输入的RF信号传输输出的RF信号。 电流隔离器还可以包括通过电介质与谐振耦合器电隔离的输出级。 输出级可以被配置为响应于接收输出RF信号而提供输出调制信号。
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7.发明申请公开(公告)号：US20160277048A1
公开(公告)日：2016-09-22
申请号：US15166426
申请日：2016-05-27
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradley Allen Kramer , Mark W. Morgan , Swaminathan Sankaran
CPC classification number: H04B1/0475 , H01L2224/48091 , H03F1/02 , H03F3/24 , H04B2001/0408 , H04B2001/045 , H04L25/0266 , H04L25/069 , H04L25/49 , H01L2924/00014
Abstract: Isolation circuits for digital communications and methods to provide isolation for digital communications are disclosed. An example isolation circuit includes an isolation barrier, a burst encoder in a first circuit, and an edge pattern detector in a second circuit. The example isolation barrier electrically isolates the first circuit from the second circuit. The example burst encoder generates a first pattern in response to receiving a rising edge on an input signal and generates a second pattern in response to receiving a falling edge on the input signal. The example edge pattern detector detects the first pattern or the second pattern received from the burst encoder via the isolation barrier, sets an output signal at a first signal level in response to detecting the first pattern, and sets the output signal at a second signal level in response to detecting the second pattern.
Abstract translation: 公开了用于数字通信的隔离电路和用于提供用于数字通信的隔离的方法。 示例性隔离电路包括隔离栅，第一电路中的突发编码器和第二电路中的边缘图案检测器。 示例性隔离屏障将第一电路与第二电路电隔离。 响应于在输入信号上接收上升沿，示例性突发编码器产生第一模式，并且响应于在输入信号上接收到下降沿而产生第二模式。 示例性边缘模式检测器经由隔离屏障检测从脉冲串编码器接收的第一模式或第二模式，响应于检测到第一模式而将输出信号设置在第一信号电平，并将输出信号设置在第二信号电平 响应于检测到第二图案。
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公开(公告)号：US20140159814A1
公开(公告)日：2014-06-12
申请号：US14048750
申请日：2013-10-08
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Weicheng Zhang , Huanzhang Huang , Yanli Fan , Mark W. Morgan
IPC: H03F3/45
CPC classification number: H03F3/45219 , H03F3/45632 , H03F2203/45466 , H03F2203/45646 , H03F2203/45648
Abstract: A differential receiver with reduced common mode induced propagation delay variance. One implementation of a differential receiver includes a first differential amplifier, a second differential amplifier, and a first current source. The first differential amplifier includes a first transistor pair. The second differential amplifier includes a second transistor pair. The first current source is coupled to a drain node of a first transistor of the first transistor pair. The first current source is configured to generate a variable first current at the drain node as of function of a sum of a variable tail current of the first differential amplifier and a variable tail current of the second differential amplifier.
Abstract translation: 具有降低的共模感应传播延迟方差的差分接收机。 差分接收机的一个实施方式包括第一差分放大器，第二差分放大器和第一电流源。 第一差分放大器包括第一晶体管对。 第二差分放大器包括第二晶体管对。 第一电流源耦合到第一晶体管对的第一晶体管的漏极节点。 第一电流源被配置为根据第一差分放大器的可变尾电流和第二差分放大器的可变尾电流的和的函数，在漏极节点处产生可变的第一电流。
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公开(公告)号：US10594162B2
公开(公告)日：2020-03-17
申请号：US15292156
申请日：2016-10-13
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bharadvaj Bhamidipati , Swaminathan Sankaran , Mark W. Morgan , Gregory E. Howard , Bradley A. Kramer
Abstract: A system on a package (SOP) can include a galvanic isolator. The galvanic isolator can include an input stage configured to transmit an input RF signal in response to receiving an input modulated signal. The galvanic isolator can also include a resonant coupler electrically isolated from the input stage by a dielectric. The resonant coupler can be configured to filter the input RF signal and transmit an output RF signal in response to the input RF signal. The galvanic isolator can further include an output stage electrically isolated from the resonant coupler by the dielectric. The output stage can be configured to provide an output modulated signal in response to receiving the output RF signal.
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公开(公告)号：US10389410B2
公开(公告)日：2019-08-20
申请号：US15638163
申请日：2017-06-29
Applicant: Texas Instruments Incorporated
Inventor： Nathan Brooks , Benjamin Stassen Cook , Swaminathan Sankaran , Bradley Allen Kramer , Mark W. Morgan , Baher S Haroun
Abstract: A system is provided in which a set of modules each have a substrate on which is mounted a radio frequency (RF) transmitter and/or an RF receiver coupled to a near field communication (NFC) coupler located on the substrate. Each module has a housing that surrounds and encloses the substrate. The housing has a port region on a surface of the housing. Each module has a field confiner located between the NFC coupler and the port region on the housing configured to guide electromagnetic energy emanated from the NFC coupler through the port region to a port region of an adjacent module. An artificial magnetic conductor surface is positioned adjacent the backside of each NFC coupler to reflect back side electromagnetic energy with a phase shift of approximately zero degrees.
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