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公开(公告)号：US20200169284A1
公开(公告)日：2020-05-28
申请号：US16521170
申请日：2019-07-24
Applicant: Texas Instruments Incorporated
Inventor： Sri Navaneethakrishnan Easwaran , Ted F. Lekan , Michael J. Zroka , Darren J. Rollman
Abstract: Multiple sensors are coupled to a first pin of a PSI5 transceiver to receive a sensor bus signal. A Manchester decoder is coupled to a second pin and a battery is coupled to a third pin. A comparator receives a first voltage that is proportional to a current on the sensor bus signal and a second voltage that is proportional to a base current on the sensor bus signal and sends a data output signal to the second pin. A sample-and-hold circuit captures a third voltage used to effect the second voltage responsive to a high value on a base current sampling signal. A base-current-renewal circuit detects edge transitions on the data output signal and when the data output signal has no edge transitions for a period of time greater than a gap time defined in a PSI5 standard, sets the base current sampling signal high.
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公开(公告)号：US10784917B2
公开(公告)日：2020-09-22
申请号：US16521170
申请日：2019-07-24
Applicant: Texas Instruments Incorporated
Inventor： Sri Navaneethakrishnan Easwaran , Ted F. Lekan , Michael J. Zroka , Darren J. Rollman
Abstract: Multiple sensors are coupled to a first pin of a PSI5 transceiver to receive a sensor bus signal. A Manchester decoder is coupled to a second pin and a battery is coupled to a third pin. A comparator receives a first voltage that is proportional to a current on the sensor bus signal and a second voltage that is proportional to a base current on the sensor bus signal and sends a data output signal to the second pin. A sample-and-hold circuit captures a third voltage used to effect the second voltage responsive to a high value on a base current sampling signal. A base-current-renewal circuit detects edge transitions on the data output signal and when the data output signal has no edge transitions for a period of time greater than a gap time defined in a PSI5 standard, sets the base current sampling signal high.
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公开(公告)号：US11469788B2
公开(公告)日：2022-10-11
申请号：US16991553
申请日：2020-08-12
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Sri Navaneethakrishnan Easwaran , Ted F. Lekan , Michael J. Zroka , Darren J. Rollman
Abstract: Multiple sensors are coupled to a first pin of a PSI5 transceiver to receive a sensor bus signal. A Manchester decoder is coupled to a second pin and a battery is coupled to a third pin. A comparator receives a first voltage that is proportional to a current on the sensor bus signal and a second voltage that is proportional to a base current on the sensor bus signal and sends a data output signal to the second pin. A sample-and-hold circuit captures a third voltage used to effect the second voltage responsive to a high value on a base current sampling signal. A base-current-renewal circuit detects edge transitions on the data output signal and when the data output signal has no edge transitions for a period of time greater than a gap time defined in a PSI5 standard, sets the base current sampling signal high.
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公开(公告)号：US20200373960A1
公开(公告)日：2020-11-26
申请号：US16991553
申请日：2020-08-12
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Sri Navaneethakrishnan Easwaran , Ted F. Lekan , Michael J. Zroka , Darren J. Rollman
Abstract: Multiple sensors are coupled to a first pin of a PSI5 transceiver to receive a sensor bus signal. A Manchester decoder is coupled to a second pin and a battery is coupled to a third pin. A comparator receives a first voltage that is proportional to a current on the sensor bus signal and a second voltage that is proportional to a base current on the sensor bus signal and sends a data output signal to the second pin. A sample-and-hold circuit captures a third voltage used to effect the second voltage responsive to a high value on a base current sampling signal. A base-current-renewal circuit detects edge transitions on the data output signal and when the data output signal has no edge transitions for a period of time greater than a gap time defined in a PSI5 standard, sets the base current sampling signal high.
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