Matches 1 - 50 out of 152 1 2 3 4 >


Match Document Document Title
9018989 Power-on-reset and supply brown out detection circuit with programmability  
A low-power wideband Power-on-Reset (PoR) and supply brown out detection circuit is proposed, wherein a technique for accurately controlling the PoR trip points and hysteresis voltage is...
8841947 Power-on reset circuit  
A power on reset circuit is capable of changing logic level of reset signal at different threshold voltages.
8736320 Power-on reset circuit  
A power-on reset circuit includes a first-conductive-type MOS transistor having a first source connected to a first power supply, a first drain, and a first gate connected to a second power...
8723555 Comparator circuit  
A comparator circuit, includes a first power source terminal having a first potential, a second power source terminal having a second potential different from the first potential, a detection...
8330502 Systems and methods for detecting interference in an integrated circuit  
Apparatus, systems and methods are provided for protecting a processing system from electromagnetic interference. An integrated circuit comprises a sensing arrangement configured to sense an...
8314638 Comparator circuit  
A comparator circuit, includes first and second terminals to which a reference voltage that determines a threshold voltage is inputted, a third terminal to which a standard voltage is inputted, a...
8310287 Reset circuit and control apparatus including the reset circuit  
A reset circuit for resetting and terminating the resetting of a reset target includes an n-channel metal-oxide-semiconductor field-effect transistor (MOSFET), a gate drive circuit configured to...
8283954 RSMRST signal output circuit  
A resume and reset (RSMRST) signal output circuit, for outputting a low level voltage RSMRST signal, includes a first switch circuit, a delay circuit, and a second switch circuit. The first switch...
8278971 Detection circuit  
A detection circuit is disclosed in specification and drawing, where the detection circuit includes a current source, a voltage-current converter and a current comparator. The voltage-current...
8242809 Comparator circuit  
A comparator circuit, includes first and second terminals to which a reference voltage that determines a threshold voltage is inputted, a third terminal to which a standard voltage is inputted, a...
8193841 Electronic device for power-on-reset  
An electronic device is provided that includes a power-on-reset (POR) circuit. The POR circuit includes a trigger stage configured to change an output if a first power supply voltage level exceeds...
8193837 Corner detector  
A corner detector comprises a PMOS threshold voltage detector and an NMOS threshold voltage detector, the PMOS threshold voltage detector is composed of a first clock terminal, a first CMOS...
8188775 Circuit arrangement for operating voltage detection  
A circuit arrangement for operating voltage detection has a detection block (1) and a control block (2). Detection block (1) has a first transistor (P1) that is connected between a first supply...
8179171 Power up circuit  
Power up circuit. An example power up circuit includes a switch for charging a power node of an electronic device. A level detector is used for monitoring charge level of the power node. Further,...
8120388 Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter  
A comparator includes a sampling capacitor, a first switching unit which is connected to an input end of the sampling capacitor and which applies an input signal to the input end of the sampling...
8106688 Power-on-reset circuit with brown-out reset for multiple power supplies  
A power-on reset circuit includes a first circuit and a second circuit. The first circuit include a first NMOS transistor having a gate controlled by a low voltage supply VDD_L, a resistor...
7982525 Systems and methods for driving high power stages using lower voltage processes  
In today's environment class-D amplifiers are used to provide an integrated solution for applications such as powered audio devices due to their advantages in power consumption and size over more...
7948272 Input buffer for detecting an input signal  
An input buffer which detects an input signal. The input buffer including an output node, a first buffer, and a second buffer. The first buffer may control the voltage level of the output node...
7898301 Zero input current-drain comparator with high accuracy trip point above supply voltage  
A comparator circuit (300) has a first field effect transistor (FET) (307) with a supply voltage (301) connection and a diode connected FET (303) connected in series to form the first circuit leg...
7863950 Apparatus for adaptive trip point detection  
Apparatus are described for providing an adaptive trip point detector circuit that receives an input signal at an input signal node and generates an output signal at an output signal node, the...
7863951 Methods for adaptive trip point detection  
Methods are described for providing an adaptive trip point detector circuit that receives an input signal at an input signal node and generates an output signal at an output signal node, the...
7839182 Detector of noise peaks in the power supply of an integrated circuit  
A circuit for detecting noise peaks on the power supply of an electronic circuit, including at least a first transistor having its control terminal connected to a terminal of application of a...
7825705 Reset signal generating circuit  
A reset signal generating circuit outputs a reset signal having a sufficient pulse width even when the power supply voltage is fluctuated. A node B reaches a high level during a power-on reset and...
7800420 Power detection system and circuit for high voltage supply and low voltage devices  
A power detect system and circuit for detecting a voltage level of an input/output supply voltage (VDDIO) in a circuit of low voltage devices is disclosed. In one embodiment, the power detect...
7764106 Semiconductor device  
A semiconductor device is capable of stably maintaining a voltage level of a shield line, even when a voltage level of an adjacent line is varied. The semiconductor device includes normal lines...
7705646 Threshold correction circuit, integrated circuit with threshold correction function, and circuit board with threshold correction function  
In order to monitor various types of noises which are to be introduced on signals through signal lines on a circuit board and automatically adjust the thresholds for signal state discriminations...
7626427 Voltage comparator utilizing voltage to current conversion  
A voltage comparator for comparing a reference voltage with a threshold, includes a first voltage-to-current converter to convert a reference voltage that determines the threshold into a reference...
7605616 Voltage detector circuit  
A voltage detection circuit for accurately detecting a voltage that is unaffected by fluctuation due to variations in transistor characteristics and threshold voltage. The voltage detection...
7589569 Comparator with self-biased reference voltage for an oscillator  
A comparator with a fixed reference voltage (self bias) for an oscillator is disclosed. The comparator includes: a depletion MOS network to form a source current, wherein the gate and the source...
7519925 Integrated circuit with dynamically controlled voltage supply  
An electronic system (10). The system comprises circuitry (P1) for receiving a system voltage from a voltage supply. The system also comprises circuitry (141), responsive to the system voltage,...
7495499 Power transistor circuit and the method thereof  
The power transistor circuit with high-voltage endurance includes a first power transistor, a second power transistor and an enabling circuit. The first power transistor includes a first voltage...
7495418 Semiconductor apparatus for charging capacitors  
A semiconductor apparatus is disclosed, including: multiple parallel monitor circuits each configured to control charge to a capacitor by controlling a transistor that bypasses, if the voltage of...
7489167 Voltage detection and sequencing circuit  
A voltage detection and sequencing circuit is provided, preferably on a single semiconductor chip, for applying a plurality of voltages to an electrical system in a predetermined sequence. The...
7466172 Supply voltage level detector  
Supply voltage level detectors are disclosed. The supply voltage level detector comprises a voltage source divider dividing a voltage source to generate a detection voltage, a bandgap reference...
7417496 Demodulator circuit of RFID system  
Provided is a demodulator circuit allowing a tag or transponder to efficiently recover data of an input amplitude signal at very low power in a wireless communication system such as a radio...
7414440 Low voltage detection circuit  
A low voltage detection circuit includes a reference voltage generation circuit, a divider circuit, a comparator that serves as a comparison circuit, and a second constant current transistor...
7394295 Sense amplifier  
The invention relates to a sense amplifier comprising the following element: a first current mirror unit coupled to a high voltage source, outputting a first current and a second current according...
7295045 Circuit for cutting-off output signal  
An output signal cutting-off circuit includes a first switching element, a driving circuit and a voltage-drop-signal generating circuit. When a voltage to be monitored becomes lower than a...
7282965 Signal detection circuit capable of automatically adjusting threshold value  
The signal detection circuit of the present invention includes: a comparison section for comparing the absolute value of a voltage of an input differential signal with a threshold voltage...
7259596 Circuit arrangement for monitoring a voltage  
A voltage (UE1, UE2), other than a supply voltage (UV1, UV2), is monitored and controlled to avoid damage to circuit components by maintaining a required voltage level. Dissipation power losses...
7236023 Apparatus and methods for adaptive trip point detection  
Apparatus and methods are described for providing an adaptive trip point detector circuit that receives an input signal at an input signal node and generates an output signal at an output signal...
7227390 Apparatus and method for a driver with an adaptive drive strength for a class D amplifier  
A circuit for adaptively adjusting the drive strength of output power transistors in a class D amplifier is provided. The circuit includes a driver circuit and a low-voltage detect circuit. The...
7224192 Voltage detection circuit  
A voltage detection circuit, comprises a constant-current circuit, a current mirror circuit operated by the constant-current circuit, at least one diode-connected first transistor disposed between...
7215159 Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter  
A comparator includes a sampling capacitor, a first switching unit which is connected to an input end of the sampling capacitor and which applies an input signal to the input end of the sampling...
7109779 Semiconductor integrated circuit and a burn-in method thereof  
A semiconductor integrated circuit includes a first circuit and a second circuit having a breakdown voltage higher than that of the first circuit. Operation voltages of the first and second...
7034598 Switching point detection circuit and semiconductor device using the same  
A switching point detection circuit for detecting a switching point according to a fabrication condition of a MOS transistor includes a reference voltage generation circuit for generating a...
6980116 Method for failure detection in a radio frequency device  
A method for detecting a failure in a radio frequency (RF) device (200) that includes a transistor (210) having a first terminal at an RF input (220), a second terminal at an RF output (260), and...
6922087 Control arrangement for power electronic system  
A control arrangement and method is provided that monitors the condition and operating parameters of a power electronic system having power electronic devices and responds to various detected...
6867624 Circuit for voltage level detection  
A voltage level detection circuit (1) with a threshold level, which is dependent on the manufacturing process. The circuit comprises a first current generator (4), which generates a monitoring...
6853219 Charging circuit  
Charging a storage cell requires the electromotive force exerted at a photogenerating cell in addition to the voltage equal to or higher than the forward on voltage developed at an backflow...

Matches 1 - 50 out of 152 1 2 3 4 >