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7639065 |
Semiconductor integrated circuit including circuit blocks and voltage controller
A semiconductor integrated circuit includes a first circuit block which operates at a first internal voltage, a second circuit block which operates at a second internal voltage, is connected to an...
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7633335 |
Current source circuit and method of outputting current
A current source circuit includes a voltage output section which outputs a voltage signal; a current source section and a conversion section. The current source section has at least one current...
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7633321 |
Driver circuit; electronic circuit having driver circuit and corresponding method
A driver circuit includes an output, at least one transistor including a load section coupled between the output and a supply voltage, and a circuit coupled to a control terminal of the at least...
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7629834 |
Limiter circuit
A limiter circuit includes a differential amplifier circuit having a non-inverting and an inverting inputs, the inverting input fed with an input signal to the limiter circuit, a driving circuit...
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7626448 |
Internal voltage generator
An internal voltage generator includes: an internal voltage driving unit for supplying an internal voltage corresponding to a reference voltage maintaining a predetermined voltage level regardless...
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7619464 |
Current comparison based voltage bias generator for electronic data storage devices
An electronic data storage system uses current comparison to generate a voltage bias. In at least one embodiment, a voltage bias generator, that includes a current differential amplifier, generates...
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7619450 |
Start-up circuit for providing a start-up voltage to an application circuit
A startup circuit for providing a startup voltage from a high voltage DC bus voltage to an application circuit, the startup circuit comprising an integrated circuit package for at least a control...
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7616493 |
Non-volatile semiconductor memory device
When a voltage level detector detects that a supply voltage reaches a recovery voltage level that requires a recovery operation, a signal generator generates a recovery operation instructing signal...
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7609113 |
Constant current bias circuit and associated method
A constant current bias circuit and associated method is disclosed. The constant current bias circuit comprises an output stage for amplifying a radio frequency (RF) signal, wherein the output...
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7606085 |
Semiconductor device and control method of the same
The present invention is a semiconductor device including: a resistor R 11 (first resistor part) and an FET 15 (second resistor part) connected in series between a power supply Vcc (first power...
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7605643 |
Voltage generation circuit and method thereof
A voltage generation circuit may include a static current circuit and/or a current mirror. The static current circuit may include a first resistor. The current mirror may include a second resistor,...
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7603572 |
Voltage stabilizer stabilizing the voltage of a power line wherein power consumption elements are individually activated based on a quantity of currents to be drained
A digital circuit unit includes at least one circuit block, a voltage source for supplying the circuit block, a detection unit, which monitors the change of current drain by the at least one...
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7602230 |
Control integrated circuit for a charge pump
An integrated control circuit for a charge pump includes a first device for regulating the output voltage of the charge pump and a second device for increasing the output voltage from the charge...
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7598800 |
Method and circuit for an efficient and scalable constant current source for an electronic display
The present invention uses two transistors instead of a sensing resistor to provide a constant current source for a load such as an array of light emitting diodes (“LEDs”). In the present...
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7595686 |
Digital controller for high-frequency switching power supplies
A voltage controller ( 150 ), the controller comprising: a voltage comparator ( 700 ) operative to provide a digital error signal ( 152 ); a compensator ( 300 ) operative to determine a digital...
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7592860 |
Minimizing the number of external terminals required when compensation is to be provided for signal drop in bond wire of a package in which an integrated circuit is provided
Compensation is provided for signal drop in bond wires of an integrated circuit (IC) while minimizing the number of external terminals in the IC package. A functional circuit provides an output...
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7592854 |
Temperature sensing circuit
A temperature-sensing circuit includes a first circuit block outputting an output voltage having negative or positive temperature coefficients and a second circuit block amplifying the output...
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7589578 |
Level shift circuit and semiconductor device
A level shift circuit for sustaining the activation and inactivation response of a transistor with respect to an input signal in a preferable manner. The level shift circuit includes a shift...
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7579904 |
Semiconductor memory device
Disclosed herein is an internal voltage generation circuit of a semiconductor memory device which is capable of supplying voltages of different levels to a column path & control logic and data path...
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7576596 |
Internal voltage generator of semiconductor device
Embodiments of the present invention are directed to provide an internal voltage generator of a semiconductor memory device for generating a predetermined stable level of an internal voltage. The...
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7573324 |
Reference voltage generator
A reference voltage generator according to an embodiment of the present invention includes: a voltage setting circuit generating a first voltage having a predetermined voltage difference from an...
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7573318 |
Internal voltage generating circuit
An internal voltage generating circuit includes a first detector that compares an internal voltage and a first reference voltage to output a first detection signal. A second detector compares a...
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7573323 |
Current mirror bias trimming technique
A reference current is generated by a current mirror circuit. An operational amplifier of a feedback circuit generates a control voltage for control of the feedback circuit transistor. The size of...
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7570107 |
Band-gap reference voltage generator
A band-gap reference voltage generator is provided that is capable of being used at low voltage simultaneously with adjusting a reference voltage.
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7570108 |
Apparatus for regulating voltage
An apparatus for regulating voltage for at least one differential transistor pair having a voltage follower buffer, the voltage follower section having a first voltage-temperature response,...
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7564299 |
Voltage regulator
In some embodiments, regulator circuits are provided.
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7564300 |
High voltage generator
A high voltage generator includes a charge pump configured to output a pumping voltage in accordance with a first clock signal and a second clock signal having a level opposed to a level of the...
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7561130 |
Solar powered street-lamp control circuit
A control circuit for regulating current supplied from a power source to at least one load. The control circuit has a current mirror circuit electrically coupled between the power source and the at...
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7560980 |
Constant voltage generating circuit
A constant voltage generating circuit according to the present invention includes a reference voltage generation source 1, a differential amplifier 2 that receives an output voltage (REF 1 ) of...
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7560981 |
Controlling apparatus for controlling a plurality of LED strings and related light modules
A controlling apparatus for controlling a plurality of LED strings and related light modules is disclosed, wherein each of the plurality of LED strings has a first terminal being electrically...
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7557587 |
Control apparatus, semiconductor integrated circuit apparatus, and source voltage supply control system
An excluding unit is controlled by a control signal received from a control unit, and based on the control signal a determination is made for each of circuit blocks as to whether either a voltage...
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7554312 |
DC-to-DC voltage converter
According to an embodiment of the invention, a method and apparatus for DC voltage conversion are described. According to one embodiment, a voltage converter comprises a current mirror, the current...
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7551020 |
Enhanced output impedance compensation
A compensation circuit for compensating an output impedance of at least a first MOS device over PVT variations to which the first MOS device may be subjected includes a first current source...
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7551507 |
Power supply circuit and semiconductor memory
A power supply circuit outputs different set potentials in response to control signals, wherein a voltage detecting circuit changes levels of a first reference potential and a second reference...
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7545204 |
Semiconductor device
A semiconductor device is disclosed which can perform a stable data inputting operation by overdriving a terminal supplying an internal voltage used as a drive voltage for a write driver such that...
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7541862 |
Reference voltage generating circuit
A reference voltage generating circuit is described. The circuit includes a current generating section that generates a first current having a positive temperature coefficient, a voltage generating...
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7543253 |
Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry
The present invention provides a method and apparatus for compensating for temperature effects in the operation of semiconductor processes circuitry, such as reference circuits. The method operates...
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7535284 |
Switching control circuit
A switching control circuit, controlling a transistor, of a voltage generating circuit generating an output voltage of a target level from an input voltage applied to the transistor, comprising: an...
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7532056 |
On chip temperature detector, temperature detection method and refresh control method using the same
A temperature sensor includes a proportional to absolute temperature (PTAT) current generator configured to generate a first current proportional to temperature, a first complementary to absolute...
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7532515 |
Voltage reference generator using big flash cell
A voltage reference generator includes multiple closed loop voltage references. Each of the closed loop voltage references uses a flash cell with a variable threshold voltage and a feedback loop to...
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7525472 |
Integration type and converter and device including same
An integration type A/D converter in which a dynamic range is enlarged while keeping a simple circuit configuration is provided. Offset potential of an integrator is to be variable. Specifically,...
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7525370 |
Circuits for generating a reference voltage
A circuit of generation of a reference voltage by a first MOS transistor connected to a first terminal of application of a supply voltage, the first transistor being in series with a second MOS...
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7521989 |
Distribution of an electric quantity through a circuit
A method of distributing an electric quantity through an electronic circuit for local exploitation by at least one circuit block of the electronic circuit that includes providing in the electronic...
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7518436 |
Current differencing circuit with feedforward clamp
A current difference circuit is provided. The currents difference circuit provides an output current that is the difference of two input currents, while employing feedforward to clamp the output...
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7514987 |
Bandgap reference circuits
Bandgap reference circuits capable operating in low voltage environments. In the bandgap reference circuit, a current generation circuit generates an output current obtained by combining a first...
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7515487 |
Internal reference voltage generating circuit for reducing standby current and semiconductor memory device including the same
An internal reference voltage generating circuit that reduces a standby current and the number of pins of a semiconductor memory device, in which a reference voltage is provided to an input buffer...
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7514968 |
H-tree driver circuitry
An H-tree driver circuit has pull-up and pull-down current sources, each of which is implemented using a low-voltage-cascode topology.
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7511569 |
Circuit for supplying a voltage in a memory device
A circuit for supplying an operation voltage in a memory device includes a voltage supplying section that supplies a constant voltage to an output section through a first path and constantly...
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7509227 |
High-speed digital multiplexer
A high-speed digital multiplexer is disclosed, The multiplexer includes a plurality of input pins for receiving a plurality of digital input signals ad switching circuitry coupled to the input...
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7508254 |
Reference supply voltage circuit using more than two reference supply voltages
A reference supply voltage circuit includes a detecting device for detecting a first reference voltage, a comparator, and a preventing circuit for preventing any false operation during...
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