Patents Assigned to Microchip Technology Incorporated
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Patent number: 12047480Abstract: An EtherCAT device is disclosed. The EtherCAT device comprises a data input port to receive a signal representing data, the signal representing one of a plurality of possible logical values; and a degradation calculation circuit. The degradation calculation circuit is to read, demodulate, and convert the received signal into a digital domain representation; process the digital domain representation into slices, where the value of the received signal at a respective time is represented in a respective one of the slices; determine differences between the respective slices and reference slices; identify an intended logical value of the received signal responsive to the determined differences; determine a quantification of error at the respective time responsive to the identified logical value and the determined differences; and determine a signal quality index responsive to the determined quantification of error.Type: GrantFiled: March 24, 2023Date of Patent: July 23, 2024Assignee: Microchip Technology IncorporatedInventors: William Mahany, Ian Saturley, Lakshmi Narasimhan, Riyas Kattukandan, Ramya Kuppusamy, Robert Zakowicz
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Publication number: 20240244761Abstract: An integrated circuit package with a package connector and at least three bottom-most points of the package that define a seating plane, wherein the shortest distance between the seating plane and the package connector solder surface is at least 6 mils (0.152 mm). A printed circuit board comprising a pad; an integrated circuit package comprising a package connector and at least three bottom-most points of the package in contact with the printed circuit board; and a solder column having a height at least 6 mils (0.152 mm) electrically and mechanically connecting the pad to the package connector. Methods for controlling solder column height are disclosed.Type: ApplicationFiled: May 11, 2023Publication date: July 18, 2024Applicant: Microchip Technology IncorporatedInventors: Zhiyang Wang, Bianca Kwok, Benson Tu, Adrian Ocampo
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Patent number: 12040282Abstract: An electronic device includes a first interposer, a first integrated circuit (IC) device affixed to the first interposer, a second interposer, and a second IC device affixed to the second interposer. he second interposer is bonded to the first interposer. The first interposer includes first interposer circuitry and a first connection element electrically connected to the first interposer circuitry. The second interposer includes second interposer circuitry and a second connection element electrically connected to the second interposer circuitry. The second connection element is bonded to the first connection element to define a connection element pair. The connection element pair provides an electrical connection between the first interposer circuitry and the second interposer circuitry.Type: GrantFiled: February 8, 2022Date of Patent: July 16, 2024Assignee: Microchip Technology IncorporatedInventors: Justin Sato, Bomy Chen, Anu Ramamurthy, Julius Kovats
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Patent number: 12040632Abstract: Object detection in wireless power systems and related system, methods, and devices are disclosed. A controller for a wireless power transmitter includes a measurement voltage potential input terminal and a processing core. The processing core is to determine an average of peak to peak amplitude differences present in sampled measurement voltage potentials for each of the plurality of transmit coils, determine a lowest average of the peak to peak amplitude differences, and select a transmit coil corresponding to the lowest average of the peak to peak amplitude differences to transmit wireless power to a receive coil of a wireless power receiver. A wireless power system includes a tank circuit selectively including any one of a plurality of transmit coils.Type: GrantFiled: May 24, 2022Date of Patent: July 16, 2024Assignee: Microchip Technology IncorporatedInventors: Santosh Bhandarkar, Alex Dumais
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Publication number: 20240235419Abstract: A resonant converter includes a high-side switch and a low-side switch, both coupled to a common node and driven by a complementary input signal. The common node drives a coupled inductor, the coupled inductor connected in parallel with a variable impedance. The coupled inductor may be coupled in series with a capacitor and a transformer. The variable impedance may be adjusted to modify the resonant frequency of the resonant converter.Type: ApplicationFiled: March 29, 2023Publication date: July 11, 2024Applicant: Microchip Technology IncorporatedInventor: Boyko Valchev
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Patent number: 12031817Abstract: Examples disclosed herein relate generally to inductive angular-position sensors. An example apparatus may include a support structure, a first inductive angular-position sensor, a second inductive angular-position sensor, and a shield. The first inductive angular-position sensor may include a respective first sense coil arranged at a first portion of the support structure. The respective first sense coil may at least partially circumscribe an axis. The second inductive angular-position sensor may include a respective first sense coil arranged opposite the first sense coil of the first inductive angular-position sensor at a second portion of the support structure. The first sense coil of the first inductive angular-position sensor may at least partially circumscribe the axis. The shield may be arranged between the first sense coil of the first inductive angular-position sensor and the first sense coil of the second inductive angular-position sensor.Type: GrantFiled: June 24, 2022Date of Patent: July 9, 2024Assignee: Microchip Technology IncorporatedInventor: Ganesh Shaga
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Publication number: 20240223194Abstract: A phase lock system includes a phase detector to detect a phase difference between a reference signal and the output of a controllable oscillator circuit. A loop filter may filter the output of the loop filter and an integrator may integrate the output of the loop filter. The integrator output may be added to the output of the loop filter and may be input to the controllable oscillator circuit and may modify at least one of the phase and frequency of the controlled oscillator output. A loop filter may enable a 40 dB-per-decade roll-off and improve attenuation of reference signal noise and local oscillator noise.Type: ApplicationFiled: June 2, 2023Publication date: July 4, 2024Applicant: Microchip Technology IncorporatedInventors: Gary Qu Jin, Kamran Rahbar
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Publication number: 20240224179Abstract: Methods, devices, and systems that pair a first device so a radio control circuit of the second device may store first device identification information, operate a host circuit of the second electronic device in a sleep mode, detect by the radio control circuit of the second device a radio advertisement signal from the first device, and wake up the host circuit of the second device from the sleep mode, and establish a control link between the first device and the host circuit of the second device.Type: ApplicationFiled: May 8, 2023Publication date: July 4, 2024Applicant: Microchip Technology IncorporatedInventor: Frank Aloe
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Publication number: 20240215464Abstract: Resistive random access memory (RRAM) cells, for example conductive bridging random access memory (CBRAM) cells and oxygen vacancy-based RRAM (OxRRAM) cells are provided. An RRAM cell may include a metal-insulator-metal (MIM) structure formed between adjacent metal interconnect layers or between a silicided active layer (e.g., including MOSFET devices) and a first metal interconnect layer. The MIM structure of the RRAM cell may be formed by a damascene process including forming a tub opening in a dielectric region, forming a cup-shaped bottom electrode in the tub opening, forming a cup-shaped insulator in an interior opening defined by the cup-shaped bottom electrode, and forming a top electrode in an interior opening defined by the cup-shaped insulator. The cup-shaped bottom electrode, or a component thereof (in the case of a multi-layer bottom electrode) may be formed concurrently with interconnect vias, e.g., by deposition of tungsten or other conformal metal.Type: ApplicationFiled: March 11, 2024Publication date: June 27, 2024Applicant: Microchip Technology IncorporatedInventor: Yaojian Leng
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Patent number: 12020547Abstract: Analog signal measurement and related apparatus, systems, and methods are disclosed. Such an apparatus may include a signal analyzing circuitry to enable responsive to the assertion of the first enable signal, compare the amplified analog input signal to one or more threshold values responsive to the assertion of the second enable signal, and generate an alert signal responsive to a determination that the amplified analog input signal falls outside of the one or more threshold values.Type: GrantFiled: February 21, 2023Date of Patent: June 25, 2024Assignee: Microchip Technology IncorporatedInventor: Gregor Hubert Sunderdiek
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Patent number: 12021115Abstract: A metal-insulator-metal (MIM) capacitor includes a bottom electrode cup, an insulator cup, and a top electrode. The bottom electrode cup includes a laterally-extending bottom electrode cup base, and a bottom electrode cup sidewall extending upwardly from the laterally-extending bottom electrode cup base. The insulator cup is formed in an opening defined by the bottom electrode cup, and includes a laterally-extending insulator cup base formed over the laterally-extending bottom electrode cup base, and an insulator cup sidewall extending upwardly from the laterally-extending insulator cup base. A dielectric sidewall spacer is located between the insulator cup sidewall and the bottom electrode cup sidewall. The top electrode is formed in an opening defined by the insulator cup.Type: GrantFiled: May 20, 2022Date of Patent: June 25, 2024Assignee: Microchip Technology IncorporatedInventor: Yaojian Leng
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Publication number: 20240204763Abstract: A system and method is provided including a first pulse width modulation (PWM) generator circuit including a first timer to generate a first cycle count, a first configuration register to define characteristics of a first electrical pulse to be generated, and a trigger cycle count specifying a timing of a first trigger signal, and a first load enable input to load a new configuration value into the first configuration register, a second PWM generator circuit including a second timer to generate a second cycle count, a second configuration register to define characteristics of a second electrical pulse to be generated, a second load enable input to load a new configuration value into the second configuration register, and a load enable selector to selectively drive the second load enable input based on the first trigger signal.Type: ApplicationFiled: December 14, 2023Publication date: June 20, 2024Applicant: Microchip Technology IncorporatedInventors: Yong Yuenyongsgool, Andreas Reiter, Stephen Bowling
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Patent number: 12015052Abstract: A metal-insulator-metal (MIM) capacitor includes a bottom electrode cup, an insulator, and a top electrode. The bottom electrode cup includes a laterally-extending bottom electrode cup base and a bottom electrode cup sidewall extending upwardly from the laterally-extending bottom electrode cup base. The insulator includes an insulator cup formed in an opening defined by the bottom electrode cup, and a rounded insulator flange extending laterally outwardly and curving upwardly from the insulator cup, the rounded insulator flange covering an upper surface of the bottom electrode cup sidewall. The top electrode is formed in an opening defined by the insulator cup. The top electrode is insulated from the upper surface of the bottom electrode cup sidewall by the rounded insulator flange.Type: GrantFiled: May 18, 2022Date of Patent: June 18, 2024Assignee: Microchip Technology IncorporatedInventor: Yaojian Leng
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Patent number: 12010932Abstract: Resistive random access memory (RRAM) cells, for example conductive bridging random access memory (CBRAM) cells and oxygen vacancy-based RRAM (OxRRAM) cells are provided. An RRAM cell may include a metal-insulator-metal (MIM) structure formed between adjacent metal interconnect layers or between a silicided active layer (e.g., including MOSFET devices) and a first metal interconnect layer. The MIM structure of the RRAM cell may be formed by a damascene process including forming a tub opening in a dielectric region, forming a cup-shaped bottom electrode in the tub opening, forming a cup-shaped insulator in an interior opening defined by the cup-shaped bottom electrode, and forming a top electrode in an interior opening defined by the cup-shaped insulator. The cup-shaped bottom electrode, or a component thereof (in the case of a multi-layer bottom electrode) may be formed concurrent with interconnect vias, e.g., by deposition of tungsten or other conformal metal.Type: GrantFiled: July 19, 2021Date of Patent: June 11, 2024Assignee: Microchip Technology IncorporatedInventor: Yaojian Leng
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Publication number: 20240184369Abstract: A device includes a receiver to receive an input audio signal and output a received audio signal, and signal conversion circuitry to apply a frequency-dependent adjustment to the received audio signal to convert the received audio signal to a haptic signal for use by a haptic actuator.Type: ApplicationFiled: September 19, 2023Publication date: June 6, 2024Applicant: Microchip Technology IncorporatedInventor: Razvan Costache
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Patent number: 12001689Abstract: An apparatus includes an interface circuit and a monitor circuit communicatively coupled to the interface circuit. The monitor circuit is configured to identify a command issued to a memory communicatively coupled to the monitor circuit through the interface circuit, determine whether the command is authorized, and, based on a determination that the command is not authorized, cancel the command.Type: GrantFiled: December 23, 2020Date of Patent: June 4, 2024Assignee: Microchip Technology IncorporatedInventors: Brian J. Marley, Richard E. Wahler
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Patent number: 12001270Abstract: A computer system includes a non-transitory computer-readable memory to store (a) a vector table including an exception vector pointing to an exception handler and (b) a vector fail address of a vector fetch bus error handler, and a processor to identify an exception, initiate an exception vector fetch in response to the identified exception to read the exception vector from the vector table, identify a vector fetch bus error associated with the exception vector fetch, access the vector fail address of the vector fetch bus error handler in response to the vector fetch bus error, and execute the vector fetch bus error handler.Type: GrantFiled: December 6, 2022Date of Patent: June 4, 2024Assignee: Microchip Technology IncorporatedInventors: Michael Catherwood, David Mickey
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Patent number: 12001539Abstract: Some embodiments of the present disclosure relate to a system that may include a replaceable module and a user device. The replaceable module may include an element and a one-wire authentication element in parallel with the element. The user device may be configured for operable coupling with the replaceable module. The user device may include a power source configured to provide power to the element, an authentication unit configured to perform a verification process for verifying authenticity of the replaceable module, and a signal conditioning unit arranged in a communication path between the one-wire authentication element and the authentication unit.Type: GrantFiled: July 19, 2022Date of Patent: June 4, 2024Assignee: Microchip Technology IncorporatedInventors: Daniel J. Russell, Albert S. Weiner, Suraj Sridhar
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Patent number: 12003089Abstract: An apparatus includes a single sense pin connected to a line of a device connected to the apparatus, a gate pin configured to produce a gate signal to enable or disable a switch connected between the line of the device connected to the apparatus and a system ground, and control logic. The control logic is configured to at the single sense pin, determine a short between the device and the system ground, and, based upon the determination of the short, disable the switch.Type: GrantFiled: November 3, 2021Date of Patent: June 4, 2024Assignee: Microchip Technology IncorporatedInventors: Christopher Twigg, Zbigniew Lata, Fernando Gonzalez
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Patent number: 11996792Abstract: Described embodiments relate to motor control for synchronous motors, and more specifically, some embodiments relate to motor-current control for permanent-magnet synchronous motors. Embodiments of a current controller are described that include an adaptive controller configured to adapt to changing system dynamics of a PMSM. Embodiments of adaptive control techniques are described that involve estimating system parameters of a PMSM and adapting control actions to compensate for such estimated system parameters. Such adapted control actions may be expected to track an observed motor current to a desired motor current. Systems, methods and devices related to the above are also described.Type: GrantFiled: October 5, 2020Date of Patent: May 28, 2024Assignee: Microchip Technology IncorporatedInventors: Jason Qian, Betty Wang