COMMUNICATING FAULT INDICATIONS BETWEEN PRIMARY AND SECONDARY CONTROLLERS IN A SECONDARY-CONTROLLED FLYBACK CONVERTER
Granted: November 4, 2021
Application Number:
20210344267
Communicating fault conditions between primary-side and secondary-side controllers of a Universal Serial Bus Power Delivery (USB-PD) device is described. The primary-side controller receives a control signal from the secondary-side controller across a galvanic isolation barrier. The primary-side controller converts the control signal into a first pulse signal and applies the first pulse signal to control a primary-side switch. When the primary-side controller detects that a first fault…
COMBINED POSITIVE AND NEGATIVE VOLTAGE ELECTROSTATIC DISCHARGE (ESD) PROTECTION CLAMP WITH CASCODED CIRCUITRY
Granted: November 4, 2021
Application Number:
20210344193
A system and method for combining positive and negative voltage electrostatic discharge (ESD) protection into a clamp that uses cascoded circuitry, including detecting, by an electrostatic discharge protection system, a voltage pulse on an input pin of an integrated circuit (IC) controller, the IC controller coupled between a power supply node and a ground supply node; determining, by the ESD protection circuit, an ESD event on the input pin based on the voltage detected on the input…
DEVICES, SYSTEMS AND METHODS FOR SELECTING COMMUNICATION PROTOCOL TRANSMISSION FREQUENCIES
Granted: October 21, 2021
Application Number:
20210329516
A method can include, by operation of first communication circuits, determining a quality of a plurality of communication frequencies according to wireless communications of a first protocol type; recording a quality of the communication frequencies; selecting communication frequencies for use by second communication circuits based on the quality of the communication frequencies; and wirelessly transmitting and receiving data with the second communication circuits according to a second…
VOLTAGE PROTECTION FOR UNIVERSAL SERIAL BUS TYPE-C (USB-C) CONNECTOR SYSTEMS
Granted: October 21, 2021
Application Number:
20210328389
A Universal Serial Bus (USB) device includes a USB Type-C connector having a configuration channel (CC) terminal and an integrated circuit (IC) controller. The IC controller comprises a VCONN pin coupled to the CC terminal of the USB Type-C connector, an output terminal, and an on-chip voltage protection circuit coupled between the VCONN pin and the output terminal. The on-chip voltage protection circuit comprises a switch coupled between the VCONN pin and the output terminal, a pump…
LINEAR ABSOLUTE POSITION SENSING USING CAPACITIVE SENSING
Granted: October 21, 2021
Application Number:
20210325166
The embodiments described herein are directed to systems and devices for electronically measuring the absolute position of one or more moving targets e.g., along the length of a metal beam using mutual capacitive sensing. The beam may be made of metal and may have a limited inset area to fit a position detection sensor device along its length. The moving targets may have no active elements and the position of multiple targets may be detected simultaneously along the beam. The systems and…
SCHEDULING OF NETWORK TRAFFIC FOR WIRELESS COMMUNICATIONS DEVICES
Granted: October 14, 2021
Application Number:
20210321427
Systems, methods, and devices schedule network traffic for wireless communications devices. Methods include identifying a plurality of stations included in a first network, and generating, using one or more processors of a first access point, a network traffic schedule configured to assign a plurality of service periods to the plurality of stations, the network traffic schedule identifying a plurality of sleep times and wake times for the plurality of stations. Methods further include…
SYSTEMS, METHODS, AND DEVICES FOR CAPACITIVE SENSING WITH SINUSOIDAL DEMODULATION
Granted: October 7, 2021
Application Number:
20210311604
Systems, methods, and devices improve the sensitivity of capacitive sensors. Devices may include an attenuator configured to receive an input from at least one sense electrode of a capacitive sensing device. The attenuator may be included in a sensing channel of a capacitive sensor. Devices may further include a signal generator coupled to an input of the attenuator. The signal generator may include one or more processors configured to generate a sinusoidal signal based, at least in…
INTERFERENCE REDUCTION FOR WIRELESS COMMUNICATIONS DEVICES
Granted: September 30, 2021
Application Number:
20210306872
Systems, methods, and devices reduce interference experienced by wireless communications devices. Methods include receiving a first signal from a first transceiver, the first signal being compatible with a first communications protocol, and configuring a filter based, at least in part, on the received first signal, the filter being communicatively coupled to a second transceiver collocated in a same wireless communications device as the first transceiver. The methods further include…
APPARATUS, SYSTEMS, AND METHODS FOR BATTERY LIFE BASED WIRELESS COMMUNICATION SCHEDULING
Granted: September 23, 2021
Application Number:
20210297948
Systems and methods compare a first battery life value associated with a first wireless device with a second battery life value associated with a second wireless device. Based on the comparison, systems and methods adjust a communication schedule by allocating timeslots of the communication schedule to the first wireless device and transmit the adjusted communication schedule to the first wireless device.
WLAN COEXISTENCE WITH OTHER STANDARDS USING COMMUNICATIONS MASK ALIGNED WITH TARGET WAKE TIME
Granted: September 23, 2021
Application Number:
20210297949
A method can include negotiating a target wake time (TWT) with a TWT session period (TWT SP) duration and generating mask data that inhibits communications according to a second standard during at least a portion of TWT SP. A method can further include, by operation of second communication circuits, generating a communications mask from mask data received from WLAN circuits, in response to the timing signal, synchronizing the communications mask with the TWT SP, and in response to the…
PHASE/FREQUENCY TRACKING TRANSCEIVER
Granted: September 23, 2021
Application Number:
20210297296
A radio frequency (RF) transceiver includes a reference signal source to generate a reference signal, a local RF source to generate a local RF signal and a mixed-signal phase/frequency detector to compare the reference signal to the local RF signal, and to generate a difference signal from the comparison, wherein the difference signal comprises a modulation component and an error component. The transceiver also includes a receiver front end to receive and downconvert an angle-modulated…
Method of Forming High-Voltage Transistor with Thin Gate Poly
Granted: September 23, 2021
Application Number:
20210296343
A semiconductor device and method of fabricating the same are disclosed. The method includes depositing a polysilicon gate layer over a gate dielectric formed over a surface of a substrate in a peripheral region, forming a dielectric layer over the polysilicon gate layer and depositing a height-enhancing (HE) film over the dielectric layer. The HE film, the dielectric layer, the polysilicon gate layer and the gate dielectric are then patterned for a high-voltage Field Effect Transistor…
SEAMLESS PLAYBACK AND SWITCHING FOR WIRELESS COMMUNICATIONS DEVICES
Granted: August 26, 2021
Application Number:
20210266808
Systems, methods, and devices seamlessly playback data files using one or more wireless connections. Methods include establishing a first wireless connection between a source device and a sink device, the first wireless connection using a first transmission protocol and transmitting audio data via the first wireless connection. Methods further include determining a switch should be initiated based on one or more signal quality metrics, the one or more signal quality metrics representing,…
DUAL INTEGRATED GATE-DRIVER WITH REVERSE CURRENT FAULT PROTECTION FOR USB TYPE-C AND USB POWER DELIVERY
Granted: August 26, 2021
Application Number:
20210263878
A dual-integrated gate-driver with reverse current protection (RCP) fault protection is described. A Universal Serial Bus Type-C (USB-C) controller includes a first terminal, a second terminal, and a dual-gate driver. The dual-gate driver drives a first power field effect transistor (FET) coupled to the first terminal and a second power FET coupled to the second terminal. The first power FET and the second power FET are connected in series between a voltage bus (VBUS_C) terminal of a USB…
SENSOR DIAGNOSTICS FOR IN-CELL TOUCH SCREEN CONTROLLERS
Granted: August 19, 2021
Application Number:
20210255727
Described herein are devices, methods, and systems that detect the presence of faults such as shorts and/or opens within a touch sensitive display panel. In one embodiment, a touch screen controller is disclosed, the touch screen controller comprising one or more receive channels, where each receive channel is configured to scan a corresponding group of sensors of a plurality of sensors. The touch screen controller may also comprise a plurality of multiplexers, each multiplexer…
RADAR DETECTION IN A WIRELESS LAN
Granted: August 12, 2021
Application Number:
20210247484
Disclosed are methods and systems for a WLAN device operating on DFS channels to calibrate the PRI as well as delays between partial pulses of received radar pulses that are impaired due to channel and filtering effects. The calibrated PRI may approximate the PRI of the transmitted pulses. The calibrated delay between the partial pulses estimates the interval between two partial pulses that originally belong to the same transmitted pulse. Using the calibrated PRI and the calibrated delay…
POWER SUPPLY ARCHITECTURE FOR USB-C CONTROLLERS
Granted: August 5, 2021
Application Number:
20210240249
A power supply architecture for USB Type-C controllers is described herein. In an example embodiment, an integrated circuit (IC) controller comprises a VCONN pin, a power rail coupled to internal circuits of the IC controller, and a VCONN switch coupled between the VCONN pin and the power rail. The VCONN switch comprises: a drain-extended n-type field effect transistor (DENFET) coupled between the VCONN pin and the power rail; a pump switch coupled to a gate of the DENFET; a resistor…
NONVOLATILE MEMORY DEVICE WITH REGIONS HAVING SEPARATELY PROGRAMMABLE SECURE ACCESS FEATURES AND RELATED METHODS AND SYSTEMS
Granted: July 29, 2021
Application Number:
20210234708
A device can include a plurality of regions, each region including a plurality of nonvolatile memory cells; a permission store configured to store a set of permission values, including at least one permission value for each region in a nonvolatile fashion; and access control circuits configured to control access to each region according to the permission value for the region, including one or more of requiring authentication to access the region, encrypting data read from the region, and…
MEMORY DEVICE RESILIENT TO CYBER-ATTACKS AND MALFUNCTION
Granted: July 22, 2021
Application Number:
20210223995
A non-volatile memory (NVM) integrated circuit device includes an NVM array of memory cells partitioned into a first physical region to store a first firmware stack and a second physical region to store a second firmware stack. The NVM integrated circuit device also includes a processing device that enables a host microcontroller to execute in place the first firmware stack stored within a first set of logical addresses that is mapped to the first physical region. The processing device…
CAPACITIVE TOUCH-SENSING CHANNEL
Granted: July 22, 2021
Application Number:
20210226626
Technology directed to capacitive touch-sensing channels, including a capacitive-sensing converter based on a sigma-delta modulator, is described. One sigma-delta modulator includes a comparator, a first integrator coupled to receive an incoming signal from the input node and to provide a first output signal, a second integrator, coupled in parallel to the first integrator, to receive the incoming signal and to provide a second output signal, and switching circuitry. The switching…
