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| Number | Title | Issue Date |
| 8159284 | Method for regulating temperature and circuit therefor A method and circuit for managing thermal performance of an integrated circuit. In accordance with an embodiment, a thermal limit circuit and a semiconductor device are manufactured from a semiconductor material, wherein the thermal limit circuit is configured to op... | 04/17/2012 |
| 8130025 | Numerical band gap A system includes a bandgap temperature sensor to generate multiple base-emitter voltages. The system also include a controller to detect the base-emitter voltages generated by the bandgap temperature sensor and to generate a bandgap reference voltage according to t... | 03/06/2012 |
| 8076967 | Integrated smart power switch A device including a controllable semiconductor, sensor, and controller is provided. The controllable semiconductor is associated with a first operating parameter and a second operating parameter, wherein at least the first operating parameter is controllable. The s... | 12/13/2011 |
| 8067975 | MOS resistor with second or higher order compensation A circuit arrangement (e.g., an integrated circuit) generates a second or higher order compensation voltage to compensate for variations in operation parameters (e.g., temperature and process variations). In one aspect, the compensation voltage is applied to a MOS r... | 11/29/2011 |
| 8049549 | Delta phi generator with start-up circuit A circuit comprises a delta phi generator, a startup circuit, and a level detector. The delta phi generator has a desirable operating state for developing a delta phi voltage at an output node in response to an input voltage, and an undesirable operating state. The ... | 11/01/2011 |
| 8044702 | Arrangement and method for providing a temperature-dependent signal An arrangement and a method for providing a temperature-dependent signal. Several current sources (1, 2) are provided, which are switchably connected to one or more diodes (8). The conducting-state voltage of the diode is compared with a reference sign... | 10/25/2011 |
| 8004345 | Minimizing non-linearity errors A system and method for minimizing non-linearity errors induced in output drive voltage of a transmitter circuit due to on-chip process, voltage, and temperature (PVT) variations. The system including an oscillator for converting an input reference bias voltage into... | 08/23/2011 |
| 7978000 | Semiconductor temperature sensor using bandgap generator circuit A combined bandgap generator and temperature sensor for an integrated circuit is disclosed. Embodiments of the invention recognize that bandgap generators typically contain at least one temperature-sensitive element for the purpose of cancelling temperature sensitiv... | 07/12/2011 |
| 7969228 | Thermal switch for integrated circuits, design structure, and method of sensing temperature A single-ended thermal switch, design structure, and method of sensing temperature. A circuit includes a first MOS transistor and a second MOS transistor connected in series between a first power supply and a second power supply. The circuit apparatus also includes ... | 06/28/2011 |
| 7965129 | Temperature compensated current reference circuit A temperature compensated current reference circuit has a differential amplifier and a first feedback transistor with a gate coupled to the differential amplifier output. The first feedback transistor couples a supply voltage line to an inverting input of the differ... | 06/21/2011 |
| 7952421 | All NPN-transistor PTAT current source The present invention relates to an improved PTAT current source and a respective method for generating a PTAT current. Opportune collector currents are generated and forced in two transistors exploiting the logarithmic relation between the base-emitter voltage and ... | 05/31/2011 |
| 7948297 | Circuits and methods to minimize thermally generated offset voltages A circuit to minimize thermally generated offset voltages includes a differential pair of transistors having a first transistor and a second transistor and coupled to a current source, a differential input having a first input coupled to the first transistor and hav... | 05/24/2011 |
| 7948298 | Semiconductor integrated circuit and operation method for the same The semiconductor integrated circuit is provided, in which an external temperature control or temperature monitoring is possible, with little influence by the noise of a system board which mounts the semiconductor integrated circuit. The semiconductor integrated cir... | 05/24/2011 |
| 7944272 | Constant current circuit A constant-current circuit comprising: a temperature-compensation circuit to output a temperature-compensated first current; and a current-supply circuit to supply a second current to the temperature-compensation circuit, the temperature-compensation circuit includi... | 05/17/2011 |
| 7944270 | Arrangement and method for temperature compensation for resistance An arrangement and a method for temperature compensation for a resistance (1). A resistance (1) with a controllable resistance value is compared with a reference resistance (2) which is in the form of a switched capacitor. A comparator (3... | 05/17/2011 |
| 7944271 | Temperature and supply independent CMOS current source An improved current source may provide an improvement over a typical ΔVgs-type current source. The improved current source may comprise two branches. A first branch may be configured to generate a PTC (proportional to absolute temperature) current based ... | 05/17/2011 |
| 7920015 | Methods and apparatus to sense a PTAT reference in a fully isolated NPN-based bandgap reference In a traditional, fully-isolated bandgap reference circuits, it was difficult to detect currents that are proportional to absolute temperature (PTAT). Here, a PTAT reference in a fully isolated NPN-based bandgap references are disclosed. These circuits in particular... | 04/05/2011 |
| 7920016 | Monolithic voltage reference device with internal, multi-temperature drift data and related testing procedures A testing procedure may determine whether a monolithic voltage reference device meets a temperature drift specification. A first non-room temperature output voltage of the monolithic voltage reference device may be measured while the monolithic voltage reference dev... | 04/05/2011 |
| 7888987 | Temperature compensation circuit A temperature compensation circuit according to an embodiment includes a bias circuit configured to output a bias current, the bias current having a current value increasing in proportion to absolute temperature, in a low temperature region in which a temperature is... | 02/15/2011 |
| 7863965 | Temperature sensor circuit and method for controlling the same A temperature sensor circuit comprises a first reference voltage generator configured to generate a first signal that linearly varies with temperature and a first reference voltage signal that maintains a certain level irrespective of temperature, a second reference... | 01/04/2011 |
| 7852138 | Thermal sensors for stacked dies The invention relates to a method for obtaining temperature values from at least two thermal sensors arranged on resources within a three-dimensional die structure determining at least a partial three-dimensional temperature distribution for said die structure and c... | 12/14/2010 |
| 7839201 | Integrated smart power switch A device including a controllable semiconductor, sensor, and controller is provided. The controllable semiconductor is associated with a first operating parameter and a second operating parameter, wherein at least the first operating parameter is controllable. The s... | 11/23/2010 |
| 7821321 | Semiconductor temperature sensor using bandgap generator circuit A combined bandgap generator and temperature sensor for an integrated circuit is disclosed. Embodiments of the invention recognize that bandgap generators typically contain at least one temperature-sensitive element for the purpose of cancelling temperature sensitiv... | 10/26/2010 |
| 7816973 | Devices and methods for reducing effects of device mismatch in temperature sensor circuits A temperature sensor having one or more mirror circuits output temperature dependent output signals is disclosed in one embodiment. The temperature sensor includes a sampling circuit coupled to receive a clock signal that samples the output signals for a duration of... | 10/19/2010 |
| 7812661 | Electronic system capable of compensating process, voltage and temperature effects An electronic system includes an integrated circuit, powered by a first voltage, with a first device provided therein; a detection device coupled to the first device to detect an output deviation of the first device attributed to process, voltage and temperature (PV... | 10/12/2010 |
| 7808298 | Thermal compensation of an exponential pair To compensate for changes in temperature, a pair of bipolar transistors is connected to a voltage divider and receives a differential voltage that varies with temperature. The voltage divider includes a set of resistors placed in parallel. The set of resistors has a... | 10/05/2010 |
| 7800430 | Temperature-compensated current generator, for instance for 1-10V interfaces A current generator arrangement for use, e.g., in 1-10V interfaces for lighting systems, includes at least one transistor (Q3) having a base-emitter junction wherein the voltage drop across the base-emitter junction defines the intensity of the output current... | 09/21/2010 |
| 7800429 | Temperature insensitive reference circuit for use in a voltage detection circuit A simple voltage detection circuit has few circuit elements, but provides a voltage output that is substantially temperature insensitive. The voltage detection circuit includes a diode-connected transistor, a cascode-connected transistor, as well as first and second... | 09/21/2010 |
| 7795950 | Temperature detection circuit A temperature detection circuit has a temperature sensor circuit whose output voltage changes with a variation in temperature. A reference voltage circuit generates a reference voltage. A comparator has an output terminal and compares an output voltage from the temp... | 09/14/2010 |
| 7791401 | Adjustment of op amp offset voltage temperature coefficient An offset voltage temperature coefficient reduction system for a differential operational amplifier is disclosed. In one embodiment, the offset voltage temperature coefficient reduction system comprises a first current source generating a first current with a positi... | 09/07/2010 |
| 7786790 | Temperature compensation circuit A temperature compensation circuit performing temperature compensation of an analog reference voltage, includes: a first reference voltage generating circuit generating a first voltage of which a voltage level varies depending on a temperature; a second reference vo... | 08/31/2010 |
| 7782119 | Semiconductor integrated circuit and operation method for the same The semiconductor integrated circuit is provided, in which an external temperature control or temperature monitoring is possible, with little influence by the noise of a system board which mounts the semiconductor integrated circuit. The semiconductor integrated cir... | 08/24/2010 |
| 7777555 | Temperature compensating circuit and method A temperature compensating circuit including a reference circuit, a transistor and a first circuit is provided. The reference circuit has a reference current and a resistance circuit, wherein the resistance circuit includes a first terminal receiving the reference c... | 08/17/2010 |
| 7768339 | Voltage regulator Provided is a voltage regulator for limiting a rush current from an output stage transistor. The voltage regulator includes an output current limiting circuit having a low detection current value and an output current limiting circuit having a high detection current... | 08/03/2010 |
| 7750721 | Reference current circuit and low power bias circuit using the same A reference current circuit has an input configured to receive an input current, a first transistor, a second transistor, and an output configured to provide a reference current. The input is directly connected to a control input of the second transistor and a first... | 07/06/2010 |
| 7746159 | Polarity conversion circuit Disclosed is a process, voltage and temperature compensated polarity conversion circuit comprising an input signal generator comprising an input signal having a first polarity, a variable frequency generator, a plurality of high voltage differential switches coupled... | 06/29/2010 |
| 7728647 | Temperature compensation for RF detectors Compensation for an RF detector includes components having different order temperature functions. The components are combined and may be adjusted by various numbers of user-accessible terminals to provide individual adjustment for factors such as operating frequency... | 06/01/2010 |
| 7724068 | Bandgap-referenced thermal sensor A thermal sensor for an integrated circuit including a bandgap reference circuit. The thermal sensor includes a comparator that compares a temperature dependent voltage generated by the bandgap reference circuit to a temperature independent voltage, where both tempe... | 05/25/2010 |
| 7719341 | MOS resistor with second or higher order compensation A circuit arrangement (e.g., an integrated circuit) generates a second or higher order compensation voltage to compensate for variations in operation parameters (e.g., temperature and process variations). In one aspect, the compensation voltage is applied to a MOS r... | 05/18/2010 |
| 7692476 | Temperature compensating circuit Provided is a temperature compensating circuit, which conducts a temperature correction having a continuous characteristic, and is small in the circuit scale. An output voltage VOUT at a connection point 14 is determined on the basis of a current Ia2, ... | 04/06/2010 |
