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公开(公告)号：US20220146329A1
公开(公告)日：2022-05-12
申请号：US17095800
申请日：2020-11-12
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradford Lawrence HUNTER
Abstract: An integrated circuit includes: a resistor terminal adapted to be coupled to a first end of a first resistor; a ground terminal adapted to be coupled to a second end of the first resistor; a second resistor in series with the first resistor and having a first end and a second end, the second end coupled to the resistor terminal; a first capacitor having a first capacitor terminal and a second capacitor terminal, the first capacitor terminal is coupled to: the first end of the second resistor via a first switch; and the ground terminal via a second switch; a second capacitor having a third capacitor terminal and a fourth capacitor terminal, the third capacitor terminal is coupled to: the first end of the second resistor via a third switch; the resistor terminal via a fourth switch; and the ground terminal via a fifth switch.
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Patent Agency Ranking
公开(公告)号：US20230003810A1
公开(公告)日：2023-01-05
申请号：US17363626
申请日：2021-06-30
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradford Lawrence HUNTER , Eric Frank ESTES , Wallace Edward MATTHEWS
IPC: G01R31/396 , G01R31/52 , G01R31/3835
Abstract: In some examples, apparatus comprises a multiplexer (MUX) adapted to be coupled to a set of battery cells and configured to provide a voltage of a different battery cell in the set of battery cells based on a MUX control signal. Apparatus comprises a comparator coupled to the MUX and configured to compare a MUX output signal to a threshold voltage to provide a comparator output signal. Apparatus comprises a digital control circuit configured to provide the MUX control signal to the MUX, to store the comparator output signal, and to use a logic AND gate to provide an AND gate output signal based on the stored comparator output signal.
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公开(公告)号：US20240223076A1
公开(公告)日：2024-07-04
申请号：US18149557
申请日：2023-01-03
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradford Lawrence HUNTER , Jing YE
Abstract: In an example, a system includes a charge pump. The system includes a transistor coupled to a power terminal, the transistor gate coupled to a charge pump output. The system includes current sense circuitry having a power input, a load input and a sense output, where the power input is coupled to the power terminal, the current sense circuitry is configured to provide a sense signal at the sense output, and the sense signal represents a polarity and a magnitude of a current at the load input. The system includes a controller having a sense input coupled to the sense output and a control output coupled to the control input, where the controller is configured to provide a control signal at the control output responsive to the sense signal, and the charge pump is configured to adjust a voltage at the charge pump output responsive to the control signal.
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公开(公告)号：US20200266813A1
公开(公告)日：2020-08-20
申请号：US16279642
申请日：2019-02-19
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradford Lawrence HUNTER , Karthik NANDIMANDALAM VENKATA , Quanqing HU
IPC: H03K17/0812 , H02J7/00 , H02M1/08 , H02H9/04 , H02H1/00
Abstract: Aspects of the present disclosure provide for a circuit comprising a switch coupled between a first node and a second node, a first transistor having a gate terminal, a drain terminal coupled to the second node, and a source terminal coupled to a ground terminal, a logic gate having a first input, a second input coupled to a third node, and an output coupled to the gate terminal of the first transistor, and a comparator having a first input coupled to the second node, a second input coupled to a fourth node, and an output coupled to the first input of the logic gate.
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公开(公告)号：US20240183915A1
公开(公告)日：2024-06-06
申请号：US18442152
申请日：2024-02-15
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bradford Lawrence HUNTER , Eric Frank ESTES , Wallace Edward MATTHEWS
IPC: G01R31/396 , G01R31/3835 , G01R31/52
CPC classification number: G01R31/396 , G01R31/3835 , G01R31/52
Abstract: In some examples, apparatus comprises a multiplexer (MUX) adapted to be coupled to a set of battery cells and configured to provide a voltage of a different battery cell in the set of battery cells based on a MUX control signal. Apparatus comprises a comparator coupled to the MUX and configured to compare a MUX output signal to a threshold voltage to provide a comparator output signal. Apparatus comprises a digital control circuit configured to provide the MUX control signal to the MUX, to store the comparator output signal, and to use a logic AND gate to provide an AND gate output signal based on the stored comparator output signal.
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公开(公告)号：US20230170864A1
公开(公告)日：2023-06-01
申请号：US17538163
申请日：2021-11-30
Applicant: Texas Instruments Incorporated
Inventor： Bradford Lawrence HUNTER
CPC classification number: H03F3/45183 , H03F3/45273 , G05F3/262 , G05F1/461
Abstract: An amplifier circuit includes an amplifier, a resistor, and an adaptive bias circuit. The amplifier includes an output and a tail input. The amplifier is configured to generate an output signal representative of a difference of a first input signal and a second input signal. The resistor is coupled to the output of the amplifier. The resistor is configured to lower an output resistance of the amplifier. The adaptive bias circuit is coupled between the output of the amplifier and the tail input of the amplifier. The adaptive bias circuit is configured to generate a detection current based on the output signal, and provide the detection current to the tail input of the amplifier to increase the gain of the amplifier based on the output signal.
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