Bandgap circuit with temperature correction
A temperature corrected voltage bandgap circuit is provided. The circuit includes first and second diode connected transistors. A first switched current source...
Irregular voltage detection and cutoff circuit using bandgap reference
voltage generation circuit
An irregular voltage detection and cutoff circuit using a bandgap reference voltage generation circuit includes the bandgap reference voltage generation...
Input current controller arrangement and method
An arrangement having a first converting element configured to convert an input current linearly into an auxiliary current, a second converting element...
Voltage regulator feedback protection method and apparatus
An integrated circuit includes an output terminal. A plurality of feedback terminals receives a feedback signal. A voltage regulator has a feedback input in...
Headroom compensation circuit for voltage converter
A headroom compensation circuit for a voltage converter for ensuring that there is adequate headroom voltage to enable accurate operation of the current sense...
Controller for DC-DC converters with bypass compensation
A controller is provided for DC-DC converters of the type associated with a half-bridge driving stage of at least one inductive load, with a pair of power MOS...
Power supply device, electronic device using the same, and semiconductor
A linear regulator is provided which stabilizes an input voltage based on a reference voltage source that generates a reference voltage, and the reference...
Voltage adjusting apparatus
The invention discloses a voltage adjusting apparatus including a power adaptor, a first resistor, a current detecting module, a second resistor, and a voltage...
Regulator circuit and car provided with the same
A regulator circuit stabilizes the input voltage applied to an input terminal before outputting the output voltage via an output terminal. An output transistor...
Switching mode power supply and switch thereof
A switching mode power supply and a switch thereof are provided. The switch includes a plurality of first transistors, and a second transistor that is turned...
Digital calibration with lossless current sensing in a multiphase switched
Disclosed is a multi-phase power regulator that accurately senses current at a load in a lossless manner and adjusts the power supplied to the load based on the...
Zero current switching
A method for providing non-resonant zero-current switching in a switching power converter operating in a continuous current mode. The switching power converter...
A power converter (1) comprises a voltage level increasing circuit (3) which receives a DC-input voltage (VIN) between first and second power converter inputs...
Electromechanical energy conversion systems
An exemplary power system may include an electric machine with multiple sets of stator windings, each set of windings being coupled through a separate switch...
Adaptive frequency compensation for DC-to-DC converter
One embodiment of the invention is a compensation circuit that includes a comparator that is coupled to receive a reference voltage. The compensation circuit...
Power supply circuit, power supply control circuit, and power supply
A power supply circuit charging a secondary battery by a DC-DC converter using a switching element and an inductance element includes a current adjustment...
Estimating remaining use time of a mobile device
The present disclosure provides methods and systems for estimating the remaining use time of a battery of a mobile device. In some implementations, the method...
Power supply that supplies power to and communicates with an electrical
A system includes a power source (102), a power supply (103), and an electrical appliance (106). The power supply (103) uses power from the power source (102)...
Modular battery system having battery monitoring and data collection
Disclosed herein is a modular battery system having at least one subsystem comprising a plurality of battery modules connected in series or parallel, wherein...
A battery module is constructed with a plurality of unit batteries, and barrier ribs including bands mounted on each of the unit batteries and forming gaps to...
Motor control device
A motor control device for controlling a d-axis current and a q-axis current on dq coordinates to control a motor, includes a q-axis current command value...
Fuel/electric drive system
A fuel/electric drive system having an internal combustion engine is disclosed, having a generator which is driven by the internal combustion engine and has a...
Method and apparatus for determining motor rotation status
A motor drive unit includes a voltage inverter, a controller, and reconnect logic. The voltage inverter provides motor drive signals to an associated motor. The...
Inverter unit, integrated circuit chip, and vehicle drive apparatus
A miniaturizable, low-cost highly reliable inverter unit. A control circuit section for controlling operating timing of high breakdown voltage semiconductor...
Methods and apparatus to lock a phase lock loop to a motor
Methods and apparatus to lock a phase lock loop to a spindle motor are disclosed. An example controller comprises a counter to determine a period of an...
Robotic devices with agent delivery components and related methods
Various robotic devices and related medical procedures are disclosed herein. Each of the various robotic devices have an agent delivery component. The devices...
Fault-tolerant control system
A fault-tolerant position feedback filter may be used in an actuation control system to limit the authority of a first position signal, should the first...
Motor control apparatus
A P-range side delimiting position of a movable range of a range change mechanism is learned by rotating a motor to a corresponding rotational position, which...
Method for controlling an electrical door drive
Disclosed is a method for controlling an electrical door drive by means of which the door drive is switched off if the maximum torque is overshot and/or a...
Digital control of motor drives
A digital controller for controlling variable speed and dynamic torque applications of an electric motor. The controller includes a state observer monitoring a...
Control apparatus and method for motor drive system
In the rectangular-wave voltage control mode, torque feedback control, in which the voltage phase of the rectangular-wave voltage is adjusted based on the...
Motor driving device and motor unit
A motor driving device includes an output circuit, a control circuit, a backflow preventing diode, and a capacitor. The output circuit is driven by a first...
Flux controlled motor management
A motor in an electric vehicle can be controlled by receiving at least one of a user input or vehicle information, selecting one of a plurality of available...
Electric motor control device and drive unit
An electric motor control device includes a power supply unit that supplies power to a three-phase electric motor; a three-phase current sensor that...
Controller for AC rotary machine
A controller for an AC rotary machine, by which a stable rotation angular-frequency estimate (AFE) value can be obtained even in an extremely low speed region...
Ultrasonic motor driving method and ultrasonic motor
There is provided a method of driving an ultrasonic motor configured so that two alternating voltages having a predetermined difference between respective...
Drive mechanism for a furniture part which is mounted movably in or on an
item of furniture
A drive mechanism for a furniture portion, in particular a drawer or a door which is mounted movably in or to a furniture item, includes a drive device which is...
High pressure discharge lamp lighting apparatus
A discharge lamp lighting apparatus includes a discharge container, a pair of electrodes and a power supply apparatus. An alternating current of a frequency,...
High efficiency low power capacitor charged DC driver
A high efficiency low power DC driver apparatus is presented for powering a light source, with a capacitive divider circuit receiving an AC input and providing...
Current regulator apparatus and methods
An apparatus according to the present invention provides regulated pulsed current to an LED from a voltage source such as a rectified AC voltage. The present...
Omni voltage direct current power supply
A battery operated LED lighting apparatus including: a battery outputting a battery voltage; a light emitting diode or array of light emitting diodes; and a...
Illumination apparatus and image display apparatus
An illumination apparatus is configured simply in a reduced scale while a light emitting diode is used as a light emitting source for illumination. The...
Electronic device and light emission control method for electronic device
An electronic device, and a corresponding light emission control method for the electronic device, emit light by utilizing recombination of electrons and holes...
Light emitting device and electronic equipment using the same
A light emitting device is provided which is capable of displaying in desired colors stably by controlling a change in luminance of OLED when an organic light...
Display device and electronic device using thin-film transistors formed on
semiconductor thin films which are...
A method of receiving video data, a control signal, etc. via a non-contact transmission path is adopted, and a receiving circuit for receiving and amplifying a...
Cement for bonding an aluminum nitride arc tube body to a molybdenum
electrode support, articles made...
A cement for bonding an arc tube body made of an aluminum nitride sintered body and an electrode support made of molybdenum achieves high gas tightness in the...
Image display element including electrode terminal free from contact
An image display element includes: a front panel; a back panel opposite thereto; plural pixels arranged in a matrix between the panels; and plural electrodes...
Organic light emitting diode display device having a second bezel
An OLED display includes a display panel having a display area and a pad area, a first bezel receiving the display panel, and a second bezel combined with the...
Light-emitting device that includes a plurality of light-emitting layers
stacked on top of each other, display,...
A light-emitting device includes a cathode, an anode, a first light-emitting layer that is disposed between the cathode and the anode and that emits light of a...
Method of manufacturing substrate and organic emitting display device
having the substrate
Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; an...