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公开(公告)号：US20180160233A1
公开(公告)日：2018-06-07
申请号：US15826484
申请日：2017-11-29
Applicant: SILICON INTEGRATED SYSTEMS CORP.
Inventor： Ssu-Che YANG , Wen-Chi LIN , Keng-Nan CHEN
CPC classification number: H04R19/005 , B81B2201/0257 , H04R3/00 , H04R19/04
Abstract: A sensing device comprises a charge pump, a MEMS sensor, a source follower and a PGA. The charge pump is configured to provide a pump voltage. The MEMS sensor is electrically connected to the charge pump and configured to generate an input voltage according to environment variations. The source follower is electrically connected to the MEMS sensor and configured to generate a followed reference voltage according to the pump voltage and to generate a followed input voltage according to the input voltage. The PGA has an input end of the PGA electrically connected to the source follower and is configured to generate two-ended differential output voltages outputted through a first output end and a second output end according to a difference between the followed reference voltage and the followed input voltage.
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公开(公告)号：US20180152157A1
公开(公告)日：2018-05-31
申请号：US15669798
申请日：2017-08-04
Applicant: SILICON INTEGRATED SYSTEMS CORP.
Inventor： Ssu-Che YANG , Wen-Chi LIN , Keng-Nan CHEN
CPC classification number: H03G1/0088 , H03F1/0233 , H03F1/26 , H03F3/45 , H03F3/45183 , H03F3/45215 , H03F3/45273 , H03F3/45475 , H03F2203/45026 , H03G1/0029 , H03G3/001
Abstract: A programmable gain amplifier includes an active load module, a first differential pair, a second differential pair and a power source module. The first and second differential pairs are electrically connected to the active load module. The power source module is electrically connected to the first current source end of the first differential pair and the second current source end of the second differential pair. The power source module supplies a first current to the first differential pair through the first current source end. The power source module supplies a second current to the second differential pair through the second current source end. The power source module adjusts the potential of the first current, the potential of the second current, or both.
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公开(公告)号：US20230376102A1
公开(公告)日：2023-11-23
申请号：US18200602
申请日：2023-05-23
Applicant: Silicon Integrated Systems Corp.
Inventor： Wen-Chi LIN , Keng-Nan CHEN
IPC: G06F1/3231 , G06F1/3296
CPC classification number: G06F1/3231 , G06F1/3296
Abstract: An electronic wake-up device and a wake-up method thereof are provided. The electronic wake-up device includes: a power switch device, an electronic device, a gravity sensor, and a wake-up circuit. The wake-up circuit is coupled to the gravity sensor and the electronic device. The wake-up circuit is configured to generate an execution signal according to a sensing activation signal, and generate an electronic device control signal according to the execution signal and a gravity signal to wake up the electronic device.
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公开(公告)号：US20180155187A1
公开(公告)日：2018-06-07
申请号：US15828044
申请日：2017-11-30
Applicant: SILICON INTEGRATED SYSTEMS CORP.
Inventor： Wen-Chi LIN , Ssu-Che YANG , Keng-Nan CHEN
CPC classification number: B81B7/02 , B81B7/007 , B81B2201/02 , B81C1/00301 , G01N27/4148 , G01P15/125 , G05F3/02 , G06G7/184 , H02M3/073 , H03H9/1057
Abstract: A sensing device includes a MEMS sensor and an adjustable amplifier. The MEMS sensor is configured to generate an input signal according to environmental changes. The adjustable amplifier has a first input terminal, a second input terminal, a third input terminal, a fourth input terminal and a first output terminal. The first input terminal is electrically connected to the MEMS sensor for receiving the input signal. The second input terminal is electrically connected to a first signal terminal for receiving a first common-mode signal. The third input terminal is electrically connected to the first output terminal. The fourth input terminal is electrically connected to a second signal terminal. An electric potential of a first output signal output by the first output terminal of the adjustable amplifier is related to electric potentials of the input signal, the first signal terminal and the second signal terminal.
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公开(公告)号：US20240388114A1
公开(公告)日：2024-11-21
申请号：US18665138
申请日：2024-05-15
Applicant: SILICON INTEGRATED SYSTEMS CORP.
Inventor： Song Sheng LIN , Keng-Nan CHEN
Abstract: A constant current charging device is configured to charge a device to be charged and includes: a reference current source; a current mirror electrically coupled to the reference current source and configured to output a mirror current; a current adjustment control unit electrically coupled to the current mirror and the device to be charged; and a current compensation unit electrically coupled to the current mirror and the current adjustment control unit. The current adjustment control unit includes a control transistor and a control contact connected to an output terminal of the current compensation unit and the control transistor, wherein the current adjustment control unit controls the control transistor according to a charging voltage to reduce current flows through the control contact.
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Patent Agency Ranking
公开(公告)号：US20190356272A1
公开(公告)日：2019-11-21
申请号：US16416230
申请日：2019-05-19
Applicant: Silicon Integrated Systems Corp.
Inventor： Ssu-Che YANG , Wen-Chi LIN , Keng-Nan CHEN
IPC: H03F1/02
Abstract: A configurable amplifier module is disclosed. The configurable amplifier module includes a first amplifier having a non-inverting input, an inverting input, and a first output; a second amplifier having a non-inverting input, an inverting input, and a second output; a first resistor; a second resistor; a third resistor; a detecting unit connected to the second output of the second amplifier and configured to detect whether a current flows through the detecting unit; and a control unit connected to the second resistor and the detecting unit and configured to control the second resistor to be connected to the third resistor or a direct current signal.
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公开(公告)号：US20190155441A1
公开(公告)日：2019-05-23
申请号：US16198145
申请日：2018-11-21
Applicant: Silicon Integrated Systems Corp.
Inventor： Ching-Lin JEN , Ssu-Che YANG , Chia-Yi CHU , Chung-Lin CHIANG , Yao-Jui CHANG , Keng-Nan CHEN
Abstract: A circuit for touch sensing includes a driving unit, a self-capacitive sensor circuit, a mutual-capacitive sensor circuit and a control circuit. The driving is configured to generate a driving signal. The self-capacitive sensor circuit is configured to generate a self-capacitance sensing result. The mutual-capacitive sensor circuit is configured to receive the driving signal in order to generate a mutual-capacitance sensing result when the voltage of a node between the self-capacitive sensor circuit and the mutual-capacitive sensor circuit reaches a reference voltage. The control circuit receives and computes the self-capacitance sensing result and the mutual-capacitance sensing result in order to generate a sensing result. By utilizing the circuit for touch sensing of present disclosure, the accuracy and the efficiency of touch sensing can be enhanced.
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公开(公告)号：US20240388113A1
公开(公告)日：2024-11-21
申请号：US18664966
申请日：2024-05-15
Applicant: SILICON INTEGRATED SYSTEMS CORP.
Inventor： Song Sheng LIN , Keng-Nan CHEN
IPC: H02J7/00
Abstract: A constant current charging device is configured to charge a device to be charged and includes: a reference current source configured to provide a reference current; a current mirror electrically coupled to the reference current source and configured to output a mirror current; a current adjustment control unit electrically coupled to the current mirror and the device to be charged wherein the current adjustment control unit is configured to output a charging current according to the mirror current to charge the device to be charged; and a current compensation unit electrically coupled to the current mirror and the current adjustment control unit. The current adjustment control unit includes a voltage follower unit, and the current adjustment control unit tracks a charging voltage through the voltage follower unit to stabilize the charging current.
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公开(公告)号：US20210305835A1
公开(公告)日：2021-09-30
申请号：US17205002
申请日：2021-03-18
Applicant: Silicon Integrated Systems Corp.
Inventor： Song-Sheng LIN , Keng-Nan CHEN
Abstract: A constant current charging device is configured to charge a device to be charged and includes: a reference current source configured to provide a reference current; a current mirror electrically coupled to the reference current source and configured to output a mirror current; a current adjusting unit electrically coupled to the current mirror and the device to be charged and configured to output a charging current according to the mirror current to charge the device to be charged; and a current compensation unit electrically coupled to the current mirror and the current adjusting unit and configured to adjust the charging current according to a reference voltage.
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公开(公告)号：US20210305834A1
公开(公告)日：2021-09-30
申请号：US17205017
申请日：2021-03-18
Applicant: Silicon Integrated Systems Corp.
Inventor： Song-Sheng LIN , Keng-Nan CHEN
IPC: H02J7/00
Abstract: A constant current charging device is configured to charge a device to be charged and includes: a current regulating unit electrically coupled to the device to be charged and configured to provide a regulating current and a charging current according to a reference voltage; a current-to-voltage converting unit electrically coupled to the current regulating unit and configured to output a regulating voltage according to the regulating current; and a first operational amplifier electrically coupled to the current regulating unit, the current-to-voltage converting unit, and the device to be charged and configured to regulate the regulating current.
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