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11.发明授权公开(公告)号：US10770971B2
公开(公告)日：2020-09-08
申请号：US16428525
申请日：2019-05-31
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Gary Franklin Chard , Ariel Dario Moctezuma , Hasibur Rahman , Alex Kwasi Nyavor Titriku , Srinath Hosur
Abstract: A system includes an inductor and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches. The controller is configured to provide an inductor charge mode, a positive boost mode, a negative boost mode, a first rest state involving the first switch, and a second rest state involving the fourth switch.
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公开(公告)号：US20250112540A1
公开(公告)日：2025-04-03
申请号：US18375214
申请日：2023-09-29
Applicant: Texas Instruments Incorporated
Inventor： Ariel Dario Moctezuma , Sethu Mathavan Meikandamuthu Ayanar , Nimidev Kovilparambil Prasannan
Abstract: An example apparatus includes: error detection circuitry having an input and an output, the error detection circuitry configured to integrate a difference between a voltage of the input of the error detection circuitry and a reference voltage to produce an integrated error voltage; peak controller circuitry coupled to the error detection circuitry, the peak controller circuitry to compare a control current to a first reference current to generate a peak control current, the control current based on an integrated error voltage, the peak control current to increase an output current of converter circuitry; and valley controller circuitry coupled to the error detection circuitry and the peak controller circuitry, the valley controller circuitry to compare the control current to a second reference current to generate a valley control current, the valley control current to decrease the output current of the converter circuitry.
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Patent Agency Ranking
公开(公告)号：US20220368576A1
公开(公告)日：2022-11-17
申请号：US17319850
申请日：2021-05-13
Applicant: Texas Instruments Incorporated
Inventor： Hasibur Rahman , Yang Xu , Ariel Dario Moctezuma
Abstract: An example apparatus includes: a receiver operable to receive a modulated input signal at a receiver input and output a demodulated signal at a receiver output, the receiver comprising a switch having a first current terminal and a first control terminal, the first current terminal coupled to the receiver output. The example apparatus includes a capacitor having a first terminal and a second terminal, the second terminal coupled to the first control terminal and the first terminal coupled to the receiver input. The example apparatus includes a resistor having a third terminal and a fourth terminal, the fourth terminal coupled to the first control terminal. The example apparatus includes a voltage offset source having an input and an output, the output coupled to the third terminal. The example apparatus includes a current source coupled to the first current terminal.
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公开(公告)号：US11496342B1
公开(公告)日：2022-11-08
申请号：US17319850
申请日：2021-05-13
Applicant: Texas Instruments Incorporated
Inventor： Hasibur Rahman , Yang Xu , Ariel Dario Moctezuma
Abstract: An example apparatus includes: a receiver operable to receive a modulated input signal at a receiver input and output a demodulated signal at a receiver output, the receiver comprising a switch having a first current terminal and a first control terminal, the first current terminal coupled to the receiver output. The example apparatus includes a capacitor having a first terminal and a second terminal, the second terminal coupled to the first control terminal and the first terminal coupled to the receiver input. The example apparatus includes a resistor having a third terminal and a fourth terminal, the fourth terminal coupled to the first control terminal. The example apparatus includes a voltage offset source having an input and an output, the output coupled to the third terminal. The example apparatus includes a current source coupled to the first current terminal.
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公开(公告)号：US11018670B2
公开(公告)日：2021-05-25
申请号：US16773273
申请日：2020-01-27
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Ariel Dario Moctezuma
Abstract: An output buffer circuit includes an output terminal, a transistor, and a resistor. The transistor includes a first terminal coupled to the output terminal, a second terminal coupled to a ground rail, and a third terminal coupled to an output signal source. The resistor includes a first terminal coupled to a fourth terminal of the transistor, and a second terminal coupled to the ground rail.
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公开(公告)号：US10673423B2
公开(公告)日：2020-06-02
申请号：US15234722
申请日：2016-08-11
Applicant: Texas Instruments Incorporated
IPC: G05F1/10 , H03K5/08 , H03K17/042
Abstract: In described examples, in response to a voltage at an external power terminal falling below a safe limit: a charge pump is operated at a first frequency to produce a voltage at a charge pump node; and a first controlled current is coupled from the charge pump node to a control terminal of a power switch transistor. The power switch transistor has a conduction path coupled between the external power terminal and an internal power terminal at which an internal power source is connected. In response to the voltage at the external power terminal reaching a selected level: the charge pump is operated at a second frequency, lower than the first frequency; and a second controlled current, lower than the first controlled current, is coupled from the charge pump node to the control terminal of the power switch transistor.
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公开(公告)号：US20170012617A1
公开(公告)日：2017-01-12
申请号：US15206014
申请日：2016-07-08
Applicant: Texas Instruments Incorporated
Inventor： Ariel Dario Moctezuma , Srinath Hosur
IPC: H03K17/082 , H02H3/26
CPC classification number: H03K17/0822 , H02H3/087 , H02H3/10 , H03K2217/0027
Abstract: In described examples, a switch has: a first current handling terminal coupled to a supply source terminal; and a second current handling terminal coupled to an output terminal. A comparator has: a first input coupled to the second current handling terminal; and a second input. A voltage reference source has: a first terminal coupled to the first current handling terminal; and a second terminal coupled to the second input of the comparator. A slew rate detector has an input coupled to the second current handling terminal. A switch controller has: a first input coupled to the comparator output; and a second input coupled to an output of the slew rate detector. The switch controller is coupled to output a signal to cause the switch to open when the comparator detects an over-current condition through the switch while the slew rate detector detects a negative slew rate.
Abstract translation: 在所述示例中，开关具有：耦合到电源端子的第一电流处理端子; 以及耦合到输出端子的第二电流处理终端。 比较器具有：耦合到第二电流处理终端的第一输入; 和第二个输入。 电压参考源具有：耦合到第一电流处理终端的第一端子; 以及耦合到比较器的第二输入端的第二端子。 转换速率检测器具有耦合到第二电流处理终端的输入。 开关控制器具有：耦合到比较器输出的第一输入; 以及耦合到转换速率检测器的输出的第二输入。 当转换速率检测器检测到负的压摆率时，比较器通过开关检测到过电流状态时，开关控制器被耦合以输出信号以使开关断开。
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