公开(公告)号：US11581810B2

公开(公告)日：2023-02-14

申请号：US17376549

申请日：2021-07-15

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Neil Gibson ,  Stefan Herzer

IPC: H02M3/158 ,  H02M1/00 ,  H02M3/156

Abstract: A voltage regulation circuit includes a switching output terminal, a high-side output transistor, a low-side output transistor, a high-side replica transistor, a low-side replica transistor, and a comparator circuit. The high-side output transistor is configured to drive the switching output terminal. The low-side output transistor is configured to drive the switching output terminal. The high-side replica transistor is coupled to the high-side output transistor. The low-side replica transistor is coupled to the high-side replica transistor and the low-side output transistor. The comparator circuit is coupled to the high-side replica transistor and the low-side replica transistor, and is configured to compare a signal received from both the high-side replica transistor and the low-side replica transistor to a ramp signal.

公开(公告)号：US20190123641A1

公开(公告)日：2019-04-25

申请号：US16225771

申请日：2018-12-19

Applicant: Texas Instruments Incorporated

Inventor： Michael Couleur ,  Neil Gibson ,  Antonio Priego

IPC: H02M3/07 ,  H03L7/089 ,  H03L5/02 ,  H03L7/081

Abstract: Disclosed examples include a transient event detector circuit to detect transient events in a switching converter, including a DLL circuit to detect changes in a duty cycle of a pulse width modulation signal used to operate a switching converter, and an output circuit to provide a status output signal in a first state when no transient event is detected, and to provide the status output signal in a second state indicating a transient event in the switching converter in response to a detected change in the duty cycle of the pulse width modulation signal.

公开(公告)号：US20240153938A1

公开(公告)日：2024-05-09

申请号：US18148658

申请日：2022-12-30

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Neil Gibson ,  Jerry L. Doorenbos ,  Gerald Gradl ,  VIOLA Schaeffer ,  Archana Venugopal ,  Henry L. Edwards

IPC: H01L27/02 ,  H01L27/088 ,  H01L27/12

CPC classification number: H01L27/0207 ,  H01L27/088 ,  H01L27/1207

Abstract: An integrated circuit includes a first transistor array over a semiconductor substrate and is distributed among a first plurality of first transistor banks. A second transistor array in or over the semiconductor substrate is distributed among a second plurality of second transistor banks. A first one of the first transistor banks is located between a first one and a second one of the second transistor banks, and the second one of the second transistor banks is located between the first one of the first transistor banks and a second one of the first transistor banks. The first transistor array and the second transistor array may be alternately operated to implement a voltage-conversion integrated circuit.

公开(公告)号：US11695320B2

公开(公告)日：2023-07-04

申请号：US17214527

申请日：2021-03-26

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Zhangyi Xie ,  Neil Gibson ,  Stefan Herzer

IPC: H02M3/158 ,  H02M1/00 ,  H02M1/08

CPC classification number: H02M1/0087 ,  H02M1/0025 ,  H02M1/08 ,  H02M3/158 ,  H02M1/0003 ,  H02M1/0083

Abstract: In some examples, a circuit includes a resistor network, a filter, a current generator, and a capacitor. The resistor network has a resistor network output and is adapted to be coupled between a switch terminal of a power converter (104) and a ground terminal. The filter has a filter input and a filter output, the filter input coupled to the resistor network output. The current generator has a current generator output and first and second current generator inputs, the first current generator input configured to receive an input voltage and the second current generator input coupled to the filter output. The capacitor is coupled between the current generator output and the ground terminal.

公开(公告)号：US20170343622A1

公开(公告)日：2017-11-30

申请号：US15169639

申请日：2016-05-31

Applicant: Texas Instruments Incorporated

Inventor： Erika Lynn Mazotti ,  Dok Won Lee ,  William David French ,  Byron J R Shulver ,  Thomas Dyer Bonifield ,  Ricky Alan Jackson ,  Neil Gibson

IPC: G01R33/04 ,  G01R33/00

CPC classification number: G01R33/04 ,  G01R33/0052

Abstract: An integrated fluxgate device has a magnetic core on a control circuit. The magnetic core has a volume and internal structure sufficient to have low magnetic noise and low non-linearity. A stress control structure is disposed proximate to the magnetic core. An excitation winding, a sense winding and a compensation winding are disposed around the magnetic core. An excitation circuit disposed in the control circuit is coupled to the excitation winding, configured to provide current at high frequency to the excitation winding sufficient to generate a saturating magnetic field in the magnetic core during each cycle at the high frequency. An isolation structure is disposed between the magnetic core and the windings, sufficient to enable operation of the excitation winding and the sense winding at the high frequency at low power.

公开(公告)号：US11569741B2

公开(公告)日：2023-01-31

申请号：US16950660

申请日：2020-11-17

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Neil Gibson ,  Stefan Herzer

IPC: H02M3/158

Abstract: In some examples, a circuit comprises a first field effect transistor (FET) having a first gate adapted to couple to a reference voltage source, a first source coupled to a first current source, and a first drain coupled to a second current source. The circuit comprises a second FET having a second gate coupled to the first drain, a second drain coupled to the first current source, and a second source coupled to a first resistor. The circuit comprises a third FET having a third gate adapted to couple to a feedback loop of a voltage converter, a third source coupled to a third current source, and a third drain coupled to a fourth current source. The circuit comprises a fourth FET having a fourth gate coupled to the third drain, a fourth drain coupled to the third current source, and a fourth source coupled to a second resistor.

公开(公告)号：US10199929B2

公开(公告)日：2019-02-05

申请号：US15284262

申请日：2016-10-03

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Michael Couleur ,  Neil Gibson ,  Antonio Priego

IPC: H02M3/07 ,  H03L7/081 ,  H03L7/089 ,  H03L5/02 ,  H02M3/158 ,  H02M1/14

Abstract: Disclosed examples include a transient event detector circuit to detect transient events in a switching converter, including a DLL circuit to detect changes in a duty cycle of a pulse width modulation signal used to operate a switching converter, and an output circuit to provide a status output signal in a first state when no transient event is detected, and to provide the status output signal in a second state indicating a transient event in the switching converter in response to a detected change in the duty cycle of the pulse width modulation signal.

公开(公告)号：US20190324097A1

公开(公告)日：2019-10-24

申请号：US16502317

申请日：2019-07-03

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Erika Lynn Mazotti ,  Dok Won Lee ,  William David French ,  Byron J.R. Shulver ,  Thomas Dyer Bonifield ,  Ricky Alan Jackson ,  Neil Gibson

IPC: G01R33/04 ,  G01R33/00

Abstract: An integrated fluxgate device has a magnetic core disposed over a semiconductor substrate. A first winding is disposed in a first metallization level above and a second metallization level below the magnetic core, and is configured to generate a first magnetic field in the magnetic core. A second winding is disposed in the first and second metallization levels and is configured to generate a second magnetic field in the magnetic core. A third winding is disposed in the first and second metallization levels and is configured to sense a magnetic field in the magnetic core that is the net of the first and second magnetic fields.

公开(公告)号：US10270346B2

公开(公告)日：2019-04-23

申请号：US15853494

申请日：2017-12-22

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Antonio Priego ,  Neil Gibson ,  Syed Wasif Mehdi

IPC: H02M3/158 ,  H02M3/156 ,  H02M1/00

Abstract: A multiphase power regulator includes a plurality of phases coupled in parallel to provide a load current as a combination of phase currents at an output voltage, each phase including at least one power transistor switched to provide a respective phase current based at least in part on a comparator output signal, and a current-sense low pass filter to sense the phase current. The regulator further includes a gm stage to generate the current set point voltage based at least in part on the output voltage, a comparator to compare a voltage from the current-sense low pass filters to the current set point voltage and a current set point adjustment circuit to provide an auxiliary control signal to decrease the current set point voltage responsive to a change in comparator output and then to increase the current set point voltage responsive to another change in comparator output.

公开(公告)号：US10243464B2

公开(公告)日：2019-03-26

申请号：US15854061

申请日：2017-12-26

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Syed Wasif Mehdi ,  Neil Gibson ,  Antonio Priego

IPC: H02M3/158 ,  G05F1/62 ,  H02M1/08 ,  H02J1/10 ,  H02M3/338 ,  H03K17/16 ,  H02M3/137

Abstract: A controller including a voltage synthesizer for a switching regulator includes a synthesizer input to be coupled to an input of the regulator. First and second replica switching transistors are connected at a first node. A resistor couples between the first node and a second node, and a capacitor couples between the second node and ground. A transconductance stage compares a voltage sampled onto the capacitor to the output voltage of the regulator and generates an output signal in response to the comparison. A first switch couples between first and second inputs of the transconductance stage. The first switch is turned on during each cycle of operation of the voltage synthesizer to reset the capacitor voltage to the output voltage of the regulator.