Patents Assigned to STMicroelectronics (Tours) SAS
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Publication number: 20220103062Abstract: An AC capacitor is coupled to a totem-pole type PFC circuit. In response to detection of a power input disconnection, the PFC circuit is controlled to discharge the AC capacitor. The PFC circuit includes a resistor and a first MOSFET and a second MOSFET coupled in series between DC output nodes with a common node coupled to the AC capacitor. When the disconnection event is detected, one of the first and second MOSFETs is turned on to discharge the AC capacitor with a current flowing through the resistor and the turned on MOSFET. Furthermore, a thyristor may be simultaneously turned on, with the discharge current flowing through a series coupling of the MOSFET, resistor and thyristor. Disconnection is detected by detecting a zero-crossing failure of an AC power input voltage or lack of input voltage decrease or input current increase in response to MOSFET turn on for a DC input.Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Applicants: STMicroelectronics (Tours) SAS, STMicroelectronics LTDInventors: Ghafour BENABDELAZIZ, Laurent GONTHIER
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Patent number: 11289391Abstract: A device comprising a semiconductor substrate, an electrically-conductive layer covering the substrate, and an insulating sheath, the conductive layer being in contact with the insulating sheath on the side opposite to the substrate.Type: GrantFiled: February 26, 2020Date of Patent: March 29, 2022Assignee: STMICROELECTRONICS (TOURS) SASInventor: Olivier Ory
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Patent number: 11283153Abstract: The invention relates to an antenna comprising: an elongate conducting band; an antenna socket; a connection to earth; at least one first capacitive element of adjustable capacitance; and at least one first inductive element in series with the first capacitive element.Type: GrantFiled: August 2, 2019Date of Patent: March 22, 2022Assignee: STMICROELECTRONICS (TOURS) SASInventor: Benoit Bonnet
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Publication number: 20220077850Abstract: A control device includes a triac and a first diode that is series-connected between the triac and a first terminal of the device that is configured to be connected to a cathode gate of a thyristor. A second terminal of the control device is configured to be connected to an anode of the thyristor. The triac has a gate connected to a third terminal of the device that is configured to receive a control signal. The thyristor is a component part of one or more of a rectifying bridge circuit, an in-rush current limiting circuit or a solid-state relay circuit.Type: ApplicationFiled: September 3, 2021Publication date: March 10, 2022Applicant: STMicroelectronics (Tours) SASInventors: Romain PICHON, Yannick HAGUE
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Patent number: 11271561Abstract: A thyristor or triac control circuit includes a first capacitive element that is series-connected with a first diode between a first terminal and a second terminal intended to be coupled to a gate of the thyristor or triac. A second capacitive element is coupled between the second terminal and a third terminal intended to be connected to a conduction terminal of the thyristor or triac on the gate side of the thyristor or triac. A second diode is coupled between the third terminal and a node of connection of the first capacitive element and first diode.Type: GrantFiled: May 20, 2020Date of Patent: March 8, 2022Assignee: STMicroelectronics (Tours) SASInventors: Ghafour Benabdelaziz, Cedric Reymond
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Publication number: 20220069110Abstract: A device includes a controllable current source connected between a first node and a first terminal coupled to a cathode of a controllable diode. A capacitor is connected between the first node and a second terminal coupled to an anode of the controllable diode. A first switch is connected between the first node and a third terminal coupled to a gate of the controllable diode. A second switch is connected between the second and third terminals. A first diode is connected between the third terminal and the second terminal, an anode of the first diode being preferably coupled to the third terminal.Type: ApplicationFiled: August 26, 2021Publication date: March 3, 2022Applicant: STMicroelectronics (Tours) SASInventor: Frederic GAUTIER
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Publication number: 20220068866Abstract: The present disclosure relates to a die comprising metal pillars extending from a surface of the die, the height of each pillar being substantially equal to or greater than 20 ?m, the pillars being intended to raise the die when fastening the die by means of a bonding material on a surface of a support. The metal pillars being inserted into the bonding material at which point the bonding material is annealed to be cured and hardened solidifying the bonding material to couple the die to the surface of the support.Type: ApplicationFiled: August 26, 2021Publication date: March 3, 2022Applicant: STMICROELECTRONICS (TOURS) SASInventors: Olivier ORY, Christophe LEBRERE
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Patent number: 11251478Abstract: An electronic device includes a base substrate, and a plurality of battery substrates constructed from mica and being attached to the base substrate. An aggregate area of the base substrate is greater than an aggregate area of the plurality of battery substrates. The electronic device also includes a plurality of active battery layers, each active battery layer being attached to a different respective battery substrate, with each active battery layer having a smaller area than its corresponding battery substrate. A film is disposed over the plurality of active battery layers and sized such that the film extends beyond each active battery layer to contact each battery substrate, and such that the film extends beyond each battery substrate to contact the base substrate.Type: GrantFiled: April 2, 2019Date of Patent: February 15, 2022Assignee: STMicroelectronics (Tours) SASInventor: Vincent Jarry
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Patent number: 11239376Abstract: The present disclosure relates to a structure comprising, in a trench of a substrate, a first conductive region separated from the substrate by a first distance shorter than approximately 10 nm; and a second conductive region extending deeper than the first region.Type: GrantFiled: September 26, 2019Date of Patent: February 1, 2022Assignee: STMicroelectronics (Tours) SASInventor: Frederic Lanois
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Publication number: 20220020652Abstract: The invention concerns a device comprising a support, an electrically-conductive layer covering the support, a semiconductor substrate on the conductive layer, and an insulating casing.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Applicant: STMICROELECTRONICS (TOURS) SASInventors: Olivier ORY, Romain JAILLET
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Patent number: 11228239Abstract: An AC capacitor is coupled to a totem-pole type PFC circuit. In response to detection of a power input disconnection, the PFC circuit is controlled to discharge the AC capacitor. The PFC circuit includes a resistor and a first MOSFET and a second MOSFET coupled in series between DC output nodes with a common node coupled to the AC capacitor. When the disconnection event is detected, one of the first and second MOSFETs is turned on to discharge the AC capacitor with a current flowing through the resistor and the turned on MOSFET. Furthermore, a thyristor may be simultaneously turned on, with the discharge current flowing through a series coupling of the MOSFET, resistor and thyristor. Disconnection is detected by detecting a zero-crossing failure of an AC power input voltage or lack of input voltage decrease or input current increase in response to MOSFET turn on for a DC input.Type: GrantFiled: April 27, 2020Date of Patent: January 18, 2022Assignees: STMicroelectronics (Tours) SAS, STMicroelectronics LTDInventors: Ghafour Benabdelaziz, Laurent Gonthier
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Publication number: 20210367628Abstract: A circuit device includes a directional coupler with a first port receiving a radiofrequency signal, a second port outputting a signal in response to signal received by the first port, and a third port outputting a signal in response to a reflection of the signal at the second port. An impedance matching network is connected between the second port and an antenna. The impedance matching network includes fixed inductive and capacitive components and a single variable inductive or capacitive component. A diode coupled to the third port of the coupler generates a voltage at a measurement terminal which is processed in order to select and set the inductance or capacitance value of the variable inductive or capacitive component.Type: ApplicationFiled: May 17, 2021Publication date: November 25, 2021Applicant: STMicroelectronics (Tours) SASInventors: Jean Pierre PROOT, Pascal PAILLET, Francois DUPONT
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Publication number: 20210336533Abstract: An AC capacitor is coupled to a totem-pole type PFC circuit. In response to detection of a power input disconnection, the PFC circuit is controlled to discharge the AC capacitor. The PFC circuit includes a resistor and a first MOSFET and a second MOSFET coupled in series between DC output nodes with a common node coupled to the AC capacitor. When the disconnection event is detected, one of the first and second MOSFETs is turned on to discharge the AC capacitor with a current flowing through the resistor and the turned on MOSFET. Furthermore, a thyristor may be simultaneously turned on, with the discharge current flowing through a series coupling of the MOSFET, resistor and thyristor. Disconnection is detected by detecting a zero-crossing failure of an AC power input voltage or lack of input voltage decrease or input current increase in response to MOSFET turn on for a DC input.Type: ApplicationFiled: April 27, 2020Publication date: October 28, 2021Applicants: STMicroelectronics (Tours) SAS, STMicroelectronics LTDInventors: Ghafour BENABDELAZIZ, Laurent GONTHIER
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Patent number: 11158556Abstract: The invention concerns a device comprising a support, an electrically-conductive layer covering the support, a semiconductor substrate on the conductive layer, and an insulating casing.Type: GrantFiled: August 27, 2019Date of Patent: October 26, 2021Assignee: STMICROELECTRONICS (TOURS) SASInventors: Olivier Ory, Romain Jaillet
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Patent number: 11152783Abstract: A circuit for protecting against electrostatic discharges includes two avalanche circuit components having different turn-on delays with respect to a beginning of an electrostatic discharge. The two avalanche circuit components are coupled in parallel. The avalanche circuit component closer to an output node has a turn-on delay on the order of 30 ns, while the avalanche circuit component closer to an input node has a turn-on delay on the order of 1 ns.Type: GrantFiled: March 20, 2019Date of Patent: October 19, 2021Assignee: STMicroelectronics (Tours) SASInventor: Mathieu Rouviere
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Patent number: 11150682Abstract: In an embodiment, a device for generating a first current from a second current, comprises: an output transistor configured to generate the first current; a first circuit configured to generate a third current representative of the second current and to draw it from a first node; a second circuit configured to generate a fourth current representative of the first current and to supply it to the first node; and a third circuit receiving a fifth current representative of a difference between the third and fourth currents, the third circuit being configured to generate a sixth current representative of the fifth current and to draw it from a control terminal of the output transistor.Type: GrantFiled: October 30, 2020Date of Patent: October 19, 2021Assignee: STMICROELECTRONICS (TOURS) SASInventor: Kuno Lenz
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Publication number: 20210296888Abstract: A device for discharging a capacitor includes a resistive component having a resistance value selectable from among at least three resistance values. The device is configured to be connected in parallel with the capacitor. A circuit operates to select the resistance value of the resistive component.Type: ApplicationFiled: March 10, 2021Publication date: September 23, 2021Applicant: STMicroelectronics (Tours) SASInventor: Eric COLLEONI
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Publication number: 20210280698Abstract: A device includes a semiconductor substrate. A step is formed at a periphery of the semiconductor substrate. A first layer, made of polysilicon doped in oxygen, is deposited on top of and in contact with a first surface of the substrate. This first layer extends at least on a wall and bottom of the step. A second layer, made of glass, is deposited on top of the first layer and the edges of the first layer. The second layer forms a boss between the step and a central area of the device.Type: ApplicationFiled: March 1, 2021Publication date: September 9, 2021Applicant: STMicroelectronics (Tours) SASInventors: Patrick HAUTTECOEUR, Vincent CARO
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Patent number: 11056744Abstract: A battery structure has structure anode and cathode contacts on a front face and on a rear face. The battery structure includes a battery having battery anode and cathode contacts only on a front face thereof. A film including a conductive layer and an insulating layer jackets the battery. The conductive layer extends over the battery anode and cathode contacts and is interrupted therebetween. Openings are provided in the insulating layer on the front and rear faces of the battery structure to form the structure anode and cathode contacts of the battery structure.Type: GrantFiled: November 22, 2019Date of Patent: July 6, 2021Assignee: STMicroelectronics (Tours) SASInventors: Julien Ladroue, Mohamed Boufnichel
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Publication number: 20210184490Abstract: A power supply interface includes a first switch that couples an input terminal to an output terminal. A voltage dividing bridge is coupled to receive a supply potential. A comparator has a first input connected to a first node of the bridge and a second input configured to receive a constant potential. A digital-to-analog converter generates a control voltage that is selectively coupled by a second switch to a second node of the bridge. A circuit control controls actuation of the second switch based on operating mode and generates a digital value input to the converter based on a negotiated set point of the supply potential applied to the input terminal.Type: ApplicationFiled: December 10, 2020Publication date: June 17, 2021Applicants: STMicroelectronics (Tours) SAS, STMicroelectronics, Inc.Inventors: Mathieu ROUVIERE, Jeffrey BLAUSER, JR., Karl GRANGE, Mohamed SAADNA
