Power regulator A power regulator is prepared as utilizing bridge rectifier circuit formed by D1 -D2 and filtering capacity C5 being parallel-connected on input end of D1 -D2 to series-connect power regu...
High gain isolating active clamping boost transducer An active clamping-boosting inverter of high-gain isolation type is prepared as realizing high gain output of said inverter by series-connecting the third winding to output capacity of tw...
6
200610165982
Bi-directional DC-DC converter and control method The inventive bi-directional DC-DC converter addresses a problem of an insufficient step-up ratio during the step-up operation that is caused when a turns ratio of the transformer is dete...
PWM combined three level DC converter of Zero voltage switch A zero-voltage switch PWM combined three-level DC converter is composed of an input bleeder capacitance circuit, a semi-bridge three-level converter, a full bridge converter, an isolation...
Switching regulator Provided is a switching regulator having an improved power supply voltage variation response characteristic while maintaining the stability of an output voltage to oscillation. An output ...
11
200610098172
DC-DC coverter for mixed power vehicle A DC-DC converter used on mixed power vehicle is prepared as using transition component to connect and fix DC-DC control board and IMS insulation metal power plate, connecting a driving c...
12
200610119264
Cascade multiple indirect matrix converter This invention relates to a cascade multiple indirect matrix converter, in which, a total input filter is connected between a net and a step-down transformer, which has 3n secondary windi...
13
200610119261
Cascade multiple zero matrix rectifier This invention relates to a cascade multiple zero-type matrix rectifier, in which, a general input filter is connected between a net and a step-down transformer to get sine-wave input cur...
14
200610125386
A state tracking simulation controlled power inverter This invention discloses one status trace analogue control inverter power, which comprises status trace controller, inverter, direct power, voltage sensor, current sensor and abstract dev...
15
200610151101
Pre-correcting power for power factor This invention relates to a buck-boost type power factor pre-correction supply, in which, the type of its control chip is MC33262 or 34262, a positive output of a bridge rectifying circu...
16
200610119260
Cascade multiple zero matrix converter This invention relates to a cascade multiple null-type matrix converter, in which, a general input filter is connected between a net and a step-down transformer to get sine wave input cur...
Voltage converter and its method This invention relates to a voltage converter used in converting an input signal to an output signal, in which, when an input signal is at the high potential or an external supply is at l...
Pulse width modulation method A method is describes for the pulse width modified control of switching elements in a frequency converter having N phases, in which for each phase the control pulses of the switching elem...
A power supply system, adapter and application equipment The disclosed power supply system comprises a PSS formed by power modules and connected PCD with two connectors and a first transmission unit. Wherein, the first connector introduces elec...
23
200610129632
Three phase voltage symmetric output converter This invention provides a three-phase voltage symmetric output converter composed of two parts, a voltage conversion part and a test identification part, in which, the voltage conversion ...
Inverter The invention detects whether a fault that an over current is supplied to a load is generated when an inverter supplies an AC power and operates the load, and uses a voltage between a col...
26
200610162842
DC/DC converter The present invention aims to share a semiconductor chip built-in circuit for a step-down function and a step-up function by or through one semiconductor product used as a DC/DC converter...
27
200610157096
No distortion digital differential filtering method This invention provides a nondistorted digital filter method including setting a sampling frequency for sampling signals and difference step computing differences, which samples signals w...
Feed forward pulse width modulator This invention discloses a front feed pulse modulator including a surrounding circuit of a converter, an output voltage sampling circuit, an error amplifier, a harmonic wave generator, a ...
31
200610145255
A charge pump The disclosed charge pump comprises: a level shift circuit to boost the first and second signal level for output, and a charge exchange control switch circuit to amplify an input voltage ...
Switch step switchover type AC voltage regulator This invention relates to a switch step switch AC voltage regulator, in which, a linear reactance winding is serial to the switch to constitute a connection loop and realize the step swit...
Multi-phase power supply controller and method therefor The invention relates to multi-phase power supply controller and method therefor. In one embodiment, a power supply controller is configured to use a plurality of ramp signals to generate...
PWM rectifying system based on IGCT and its working method PWM rectification system base on IGCT is composed of data acquisition circuit, DSP data processing circuit, conversion interface circuit, power switch circuit, switching power supply circ...
Motor control apparatus A motor control apparatus includes a current target value computation unit which computes a target value of a current to be passed through a motor; a current detector which detects the cu...
42
200610137882
Integrated power control platform of mixed power vehicle The present invention discloses one kind of integrated power platform for mixed power vehicle, and belongs to the field of energy management technology for mixed power vehicle. The optima...
Dc-dc conveter and organiclight emitting display using the same A DC-DC converter with an improved signal response characteristic and reduced power consumption; and an organic light-emitting display using the same are disclosed. A comparator for recei...
45
200610143234
Regulator circuit A regulator circuit is offered to resolve a problem that an unnecessary operating current flows in a semiconductor integrated circuit in a low power consumption state. Channel width to ch...
46
200610143141
Dc-dc conveter and organiclight emitting display using the same A DC-DC converter with improved response characteristics and reduced power consumption, and an organic light-emitting display using the converter is disclosed. The converter uses a compar...
47
200610164654
Transformer with current sensing means A power transformer (131) for a power converter includes a magnetic core, a primary winding (132) and two serially connected secondary windings (133, 134). In order to sense the output cu...
Power transformation device The circuit asymmetry character between electric components with parallel connection are restrained in a power transformation device. In the present inventive power transformation device...
51
200610137493
Synchronous rectifying circuit of power converter This invention provides a synchronous rectifying circuit of a power switch operating at fixed or variable frequencies not needing current sensing circuit or phase-locking circuit, in whic...
52
200610136680
DC-DC converter and control method thereof A DC-DC converter has a switching circuit including switching elements at the high-side and at the low-side, an inductor connected to the output end of the switching circuit, a smoothing ...
53
200610150428
Improvement of current inducing circuit The invention discloses a current sensing circuit for sensing the current through a main switch , such as the PMOS or NMOS switches of a switching regulator, is disclosed. The circuit com...
Power supply system A power supply system is capable of feeding electric power from a power adapter to a plurality of load devices. The power adapter includes a primary core; and a primary coil wound around ...
56
200610137500
Power supply voltage control apparatus A power supply voltage control apparatus capable of freely setting a clock period setting margin according to a system clock frequency, and capable of converging power supply voltage to m...
57
200610096869
Double step-down inverter The invention relates to a dual-reduction inverter, which comprises capacitor divide circuit, the first reduction circuit and the second reduction circuit, wherein the divide circuit is f...
58
200610136513
Circuit arrangement, especially frequency converter A frequency converter is presented. The frequency converter includes a circuit module, which is interconnected to a circuit board and is connected to a heat sink. For attaining a frequenc...
59
200610096848
Three-level double step-down full bridge inverter The invention relates to a three-voltage dual-reduction full-bridge inverter, wherein it comprises power circuit (1), two reduction circuits (2, 3), filter capacitors and load circuit (4)...
60
200610096871
Two-way AC chopper The invention relates to a bidirectional alternative-current chopper, which comprises the first and second buck (boost) circuit, wherein in the first buck(boost) circuit, the cathode of f...
61
200610096870
Double buck/boost two-way AC chopper The invention relates to a buck/boost bidirectional alterative-current chopper, which comprises power circuit formed by capacitor with one end connected to ground and one parallel alterat...
Five-level double step-down full bridge inverter The invention relates to a five-potential dual-reduction full-bridge inverter, wherein it comprises power circuit (1), two reduction circuits (2, 3) whose inputs are connected to power ci...
A buffer switching power supply The invention relates to a buffer switch power source, wherein it uses chopper circuit via pulse width control chip to control the connect time of high-pulse of transistor in one period; ...
67
200610132021
Charge pump circuit A chrage pump circuit has: A first charge pump circuit section 102 generates a first voltage Vout , and a second charge pump circuit section 104 generates a second voltage Vout-. A drive ...
Switching power source apparatus A switching power source apparatus has a switching element being connected with a DC power source through a primary winding of a transformer in which parasitic capacitance exists between ...
Zero-voltage switch full-bridge direct current converter This DC converter belongs to the energy converter and consists of the DC power supply (Vin), two inverter bridge arms, the resonance inductance, the isolation transformer and the rectifie...
74
200610141187
Energy feedback power unit The invention is an energy feedback power unit used in series power unit-type high voltage inverter and implementing four-quadrant operating ability, and its control circuit comprises: fi...
Switching circuit of AC/DC bi service electric tool The switching circuit consists of the switch, the 1st resistor, the 1st transistor and the 2nd resistor. The switch and the load are connected in serial between the positive and the negat...
77
200610132153
Switching regulator with automatic multi mode conversion A switching regulator with automatic multi mode conversion is disclosed. The invention relates to a switch power which can operate when the input voltage is equal with, higher or lower th...
Electronic equipment having a boost DC-DC converter Provided is an electronic equipment including: a boost DC-DC converter and an electric power storage device, in which the electric power storage device is charged with a electric power ou...
Switching power supply circuit In a switching power supply circuit including a primary side rectifying and smoothing circuit, a switching element, a converter transformer, a secondary side rectifying and smoothing circ...
83
200610142016
Booster circuit A booster circuit for boosting and outputting a voltage between a power supply potential line and a reference potential line using a capacitor connected between a boosted voltage output n...
84
200610159999
Switching power source apparatus A switching power source apparatus has a switching element Q1. Between terminals of the switching element Q1, there is parasitic capacitance (C1, C2). A voltage V4 of parasitic oscillatio...
High power supply to control an abnormal load A high power supply to control an abnormal load includes: a high voltage power processor to amplify a supplied DC power and to output the amplified DC power, a trans/rectifier to transfor...
88
200610016061
Capacitor push-pull highly effective transformer This invention discloses one capacitor push-pull effective transducer, which has power input through rectification circuit and filter circuit into transducer, wherein, the transducer is o...
89
200610062869
Zero-power dissipation photovoltaic combining inverter This invention relates to a zero-power loss photovoltaic interconnected inverter not using the pulse width regulation or other conventional power transformation methods based on the chara...
90
200610141624
Self powered gate driver system The invention relates to an apparatus and method used to charge a self powered gate driver system. The apparatus may include a current loop for inducing a current in a coil. A bridge rect...
AC to DC converter circuit An AC to DC converter circuit includes a main circuit including a first circuit and a second circuit connected to an AC power supply (1) in parallel to each other, the first circuit inclu...
Switching power supply circuit A switching power supply circuit includes a switching element, a converter transformer, a secondary-side rectifying and smoothing circuit, a switching element control unit, a choke coil, ...
DC/DC converter with inductor current sensing capability A DC/DC converter for converting an input voltage to an output voltage comprises a switch, an inductor, two voltage dividers, a capacitor, and a controller. The switch coupled to the inpu...
