ClassID:

221643

H03K17/0828 - page 2 - CPC Classification

Classification description:

Electronic switching or gating, i.e. not by contact-making and –breaking; Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in composite switches

Recent Application in this class:
#301
20120249020
2012-10-04

Drive circuit for switching element

#302
20120248864
2012-10-04

System and Method for Operating Inverters

#303
20120242376
2012-09-27

LOAD DRIVE APPARATUS AND SEMICONDUCTOR SWITCHING DEVICE DRIVE APPARATUS

#304
20120230076
2012-09-13

VOLTAGE BALANCING

#305
20120229942
2012-09-13

Gate circuit

#306
20120224288
2012-09-06

Power module

#307
20120223744
2012-09-06

Method and control circuit for controlling a power semiconductor component

#308
20120218669
2012-08-30

System and method for operating inverters

#309
20120217937
2012-08-30

Drive circuit for switching element

#310
20120206174
2012-08-16

Driving circuit for switching element and power converter

#311
20120200320
2012-08-09

Control circuit and method for controlling a power semiconductor switch

#312
20120194226
2012-08-02

Switching element control apparatus

#313
20120188001
2012-07-26

Electronic control apparatus having switching element and drive circuit

#314
20120176178
2012-07-12

SWITCH CIRCUIT CAPABLE OF PREVENTING VOLTAGE SPIKE, AND CONTROL METHOD AND LAYOUT STRUCTURE THEREOF

#315
20120161852
2012-06-28

Power switch current estimator at gate driver

#316
20120153719
2012-06-21

Semiconductor Element Control Device and In-Vehicle Electrical System

#317
20120086496
2012-04-12

Electronic device with switching element driven by control voltage

#318
20120075761
2012-03-29

Electronic device

#319
20120074889
2012-03-29

Inverter control device

#320
20120056242
2012-03-08

Semiconductor device including insulated gate bipolar transistor and diode

#321
20120051106
2012-03-01

Methods and systems for operating power converters

#322
20120032710
2012-02-09

Semiconductor device driving unit and method

#323
20120025873
2012-02-02

Semiconductor drive device

#324
20120025264
2012-02-02

Semiconductor device having diode-built-in IGBT and semiconductor device having diode-built-in DMOS

#325
20120018777
2012-01-26

THREE LEVEL POWER CONVERTING DEVICE

#326
20120013370
2012-01-19

Gate driving circuit for power semiconductor element

#327
20110304941
2011-12-15

SWITCHING DEVICE

#328
20110278918
2011-11-17

Discharge control apparatus arranged in power conversion system

#329
20110181323
2011-07-28

Method for generating a signal representative of the current delivered to a load by a power device and relative power device

#330
20110181263
2011-07-28

Over-current detecting apparatus for switching element

#331
20110163706
2011-07-07

Drive device for electric power conversion circuit

#332
20110141787
2011-06-16

Method of changing an operation mode of a frequency converter based on temperature conditions, and a frequency converter having a changeable mode of operation based on temperature conditions

#333
20110103108
2011-05-05

Converter valve

#334
20110012542
2011-01-20

Drive system for power switching elements

#335
20100321847
2010-12-23

Semiconductor power conversion apparatus

#336
20100290167
2010-11-18

Control circuit for controlling a semiconductor switch system

#337
20100289562
2010-11-18

Gate drive device

#338
20100283514
2010-11-11

Power supply device and method for driving the same

#339
20100194451
2010-08-05

Method of controlling an IGBT and a gate driver

#340
20100182071
2010-07-22

High-voltage solid-state switch

#341
20100156506
2010-06-24

Semiconductor device including insulated gate bipolar transistor and diode

#342
20100148830
2010-06-17

Gate driver circuit, switch assembly and switch system

#343
20100102866
2010-04-29

Signal processing apparatus including latch circuit

#344
20100089670
2010-04-15

Inverter circuit for vehicles

#345
20100080024
2010-04-01

Power electronic module IGBT protection method and system

#346
20100060326
2010-03-11

Controlling commutation of a power semiconductor switching device and freewheel diode pair

#347
20100059028
2010-03-11

Semiconductor device comprising an IGBT and a constant voltage circuit having switches and normally-on type MOSFETs connected in parallel

#348
20100019808
2010-01-28

Driving circuit for power semiconductor element including controlling circuit that provides control when detected voltage reaches predetermined voltage

#349
20090289670
2009-11-26

Semiconductor integrated circuit device

#350
20090174353
2009-07-09

Motor control device

#351
20090128974
2009-05-21

Drive circuit for switching device

#352
20090096502
2009-04-16

Semiconductor device

#353
20090085542
2009-04-02

DRIVE SYSTEM FOR POWER SEMICONDUCTOR DEVICE

#354
20090072809
2009-03-19

Method for detection of the presence of a load and drive circuit

#355
20090072622
2009-03-19

LOAD DRIVE CIRCUIT, DELAY CIRCUIT, AND SEMICONDUCTOR DEVICE

#356
20090067109
2009-03-12

Operating and controlling insulated gate bipolar transistors in high speed failure mode situations

#357
20090057832
2009-03-05

Semiconductor device having diode-built-in IGBT and semiconductor device having diode-built-in DMOS

#358
20090052214
2009-02-26

Insulating transformer and power conversion device

#359
20090040796
2009-02-12

Bipolar transistor drivers

#360
20090021294
2009-01-22

Driving device of voltage drive type semiconductor device

#361
20090009232
2009-01-08

Power Switches

#362
20080316777
2008-12-25

Method for thermal protection of frequency converter and a frequency converter

#363
20080304197
2008-12-11

Drive circuit of voltage driven element

#364
20080204087
2008-08-28

Method and circuit arrangement configured for driving a field-effect-controlled transistor

#365
20080203533
2008-08-28

Semiconductor device

#366
20080198526
2008-08-21

Semiconductor device

#367
20080198525
2008-08-21

Method for Current Protection of a Power Switch and Apparatus for Implementing Same

#368
20080123382
2008-05-29

Switching element drive circuit

#369
20080100978
2008-05-01

Switching element overcurrent protection circuit which operates within a high-voltage system that incorporates the switching element

#370
20080084642
2008-04-10

Semiconductor Power Conversion Apparatus

#371
20080074819
2008-03-27

Protection circuit for power management semiconductor devices and power converter having the protection circuit

#372
20080007318
2008-01-10

ADAPTIVE GATE DRIVE FOR SWITCHING DEVICES OF INVERTER

#373
20080006256
2008-01-10

Output circuit for an on-vehicle electronic device

#374
20070284664
2007-12-13

Semiconductor power converter apparatus

#375
20070279119
2007-12-06

GATE DRIVING DEVICE FOR DRIVING INSULATED GATE BIPOLAR TRANSISTOR AND METHOD OF DRIVING THE SAME

#376
20070218595
2007-09-20

Power electronics equipments

#377
20070201254
2007-08-30

Motor drive

#378
20070200602
2007-08-30

Drive circuit for power semiconductor switching device

#379
20070194828
2007-08-23

Method for generating a signal representative of the current delivered to a load by a power device and relative power device

#380
20070159751
2007-07-12

Power conversion device

#381
20070115038
2007-05-24

Driver for voltage driven type switching element

#382
20070103830
2007-05-10

Circuit arrangement with at least two semiconductor switches and a central overvoltage protection

#383
20070085135
2007-04-19

Semiconductor device

#384
20070080738
2007-04-12

Gate driving circuit for driving a gate electrode of an electric power switching element with simple structure

#385
20070070567
2007-03-29

Desaturation circuit for an IGBT

#386
20070030615
2007-02-08

Drive circuit for switching device

#387
20060268583
2006-11-30

Circuit configuration with error feedback for the actuation of power semiconductor switches and associated method

#388
20060215341
2006-09-28

Electric power conversion device

#389
20060193091
2006-08-31

Power semiconductor apparatus provided with power controlling semiconductor modules connected in parallel to each other

#390
20060181831
2006-08-17

Gate drive circuit, semiconductor module and method for driving switching element

#391
20060152865
2006-07-13

Circuit for protecting a transistor from an open secondary ignition coil

#392
20060087787
2006-04-27

Technique for drive current stabilization of an automotive ignition system

#393
20060044045
2006-03-02

Semiconductor apparatus provided with power switching semiconductor device

#394
20060044025
2006-03-02

Power transistor control device

#395
20050253165
2005-11-17

Adaptive gate drive for switching devices of inverter

#396
20050224909
2005-10-13

Power semiconductor switching-device and semiconductor power module using the device

#397
20050206438
2005-09-22

Drive circuit for voltage driven type semiconductor element

#398
20050201037
2005-09-15

Solid-state replacement for locomotive relay

#399
20050184793
2005-08-25

Circuit for dynamic control of a power transistor in applications for high voltage

#400
20050162803
2005-07-28

Control circuit for an inductive load driver

#401
20050162798
2005-07-28

Switch circuit and ignition apparatus employing the circuit

#402
20050146295
2005-07-07

Booster and motor controller

#403
20050128671
2005-06-16

Control device of switching device and control device of driving circuit of motor

#404
20050104153
2005-05-19

Semiconductor device

#405
20050099751
2005-05-12

Semiconductor device having overcurrent protection function and data setting method thereof

#406
20050077947
2005-04-14

Half-bridge circuit with phase output

#407
20050063124
2005-03-24

Electrical apparatus and a limiting method

#408
20050040434
2005-02-24

Circuit arrangement for control of a semiconductor circuit

#409
16355412
2020-02-25

Paralleled power semiconductors with chokes in gate path

#410
16011311
2019-10-29

System and method of driving a power switch in combination with regulated DI/DT and/or DV/DT

#411
15638467
2019-04-02

Recuperative gate drive circuit and method

#412
15631384
2018-01-30

Driving circuit for non-volatile memory