ClassID:

221630

H03K17/08122 - 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 without feedback from the output circuit to the control circuit by measures taken in the control circuit in field-effect transistor switches

Recent Application in this class:
#301
20180097515
2018-04-05

System and method for an overpower detector

#302
20180083443
2018-03-22

Integrated circuit with protection from transient electrical stress events and method therefor

#303
20180069546
2018-03-08

Methods and apparatus for low current control for a power connection

#304
20180041206
2018-02-08

Current control device and power supply system

#305
20180041204
2018-02-08

Switch with envelope injection

#306
20180041170
2018-02-08

Radio frequency system with switch to receive envelope

#307
20180034459
2018-02-01

Isolated gate driver and a power device driving system including the same

#308
20180034458
2018-02-01

Power supply device

#309
20180026624
2018-01-25

Half-bridge driver fault diagnostic system and method

#310
20170359055
2017-12-14

Driving stage circuit with plural clamping levels

#311
20170346483
2017-11-30

Semiconductor device drive circuit

#312
20170317619
2017-11-02

Predriver short protection

#313
20170302262
2017-10-19

Semiconductor switching element driver circuit with operation based on temperature

#314
20170302261
2017-10-19

Protection circuit

#315
20170288662
2017-10-05

System and method for a high-side power switch

#316
20170285674
2017-10-05

Protection from hard commutation events at power switches

#317
20170279268
2017-09-28

Power switch module, smart grid power supply arrangement and method therefor

#318
20170279263
2017-09-28

High voltage transmit / receive switch and voltage detection circuit

#319
20170264282
2017-09-14

SWITCHING CIRCUIT

#320
20170264184
2017-09-14

Semiconductor device

#321
20170256938
2017-09-07

Semiconductor device

#322
20170255219
2017-09-07

Output circuit

#323
20170237436
2017-08-17

Level shift circuit, integrated circuit, and power semiconductor module

#324
20170237422
2017-08-17

Driving circuit

#325
20170207782
2017-07-20

Gate drive circuit for semiconductor switching devices

#326
20170207650
2017-07-20

Switch apparatus

#327
20170201085
2017-07-13

SMART OUTPUT PROTECTOR

#328
20170170821
2017-06-15

VOLTAGE DETECTION CIRCUIT

#329
20170170731
2017-06-15

Multi-function power control circuit using enhancement mode gallium nitride (GaN) high electron mobility transistors (HEMTs)

#330
20170170656
2017-06-15

Solid state power controller

#331
20170170655
2017-06-15

Monolithic integrated circuit switch device with output current balancing for parallel-connection

#332
20170141562
2017-05-18

Circuits and techniques for signaling between devices

#333
20170126222
2017-05-04

Hot swap circuit management techniques for power line disturbances and faults

#334
20170070224
2017-03-09

Wave loss detection circuit for drive signal and switching transistor drive circuit

#335
20170047921
2017-02-16

Electronic circuit and semiconductor device

#336
20170047731
2017-02-16

Reverse current protection circuit

#337
20170047039
2017-02-16

Driving module for display device

#338
20170040992
2017-02-09

Power semiconductor element driving circuit

#339
20170012620
2017-01-12

Expansion control circuit

#340
20170005465
2017-01-05

Analog limit on digitally set pulse widths

#341
20160365852
2016-12-15

Semiconductor device

#342
20160352321
2016-12-01

Gate drive circuit and power supply capable of reducing surge voltage

#343
20160329886
2016-11-10

Semiconductor integrated circuit device

#344
20160322811
2016-11-03

Input protection circuit, electronic device, electronic apparatus, and moving object

#345
20160301351
2016-10-13

GATE DRIVING CIRCUIT, INVERTER CIRCUIT, AND MOTOR CONTROL DEVICE

#346
20160285446
2016-09-29

Enhanced protective multiplexer

#347
20160269018
2016-09-15

High frequency switch

#348
20160268903
2016-09-15

Semiconductor device and motor control unit

#349
20160248415
2016-08-25

Level-shift circuits compatible with multiple supply voltage

#350
20160218710
2016-07-28

Switch circuit

#351
20160209853
2016-07-21

Protection from hard commutation events at power switches

#352
20160197614
2016-07-07

Semiconductor device and high side circuit drive method

#353
20160191048
2016-06-30

Robust semiconductor power devices with design to protect transistor cells with slower switching speed

#354
20160126723
2016-05-05

Protection circuit of semiconductor device

#355
20160112043
2016-04-21

Electronic circuit

#356
20150372672
2015-12-24

Power device drive circuit

#357
20150311779
2015-10-29

Electronic circuit

#358
20150280700
2015-10-01

Apparatus for supplying gate driving voltages, method therefor and display apparatus

#359
20150256167
2015-09-10

Driving module and display device thereof

#360
20150222262
2015-08-06

Electric device including a switch circuit, a current limit circuit and a clamp swith, for driving a power switch

#361
20150085414
2015-03-26

Output stage with short-circuit protection

#362
20150061752
2015-03-05

Cascode circuit

#363
20150061728
2015-03-05

Electronic device and method for maintaining functionality of an integrated circuit during electrical aggressions

#364
20150043118
2015-02-12

Input protection circuit, electronic device, electronic apparatus, and moving object

#365
20150035567
2015-02-05

Output driver circuit

#366
20150014779
2015-01-15

Switch supporting voltages greater than supply

#367
20140362484
2014-12-11

Load driving device

#368
20140300394
2014-10-09

Drive circuit and drive method for driving normally-on-type transistor

#369
20140292392
2014-10-02

Semiconductor device and high side circuit drive method

#370
20140266323
2014-09-18

Systems and methods for driving a load under various power conditions

#371
20140125648
2014-05-08

Gate driver, method of driving display panel using the same and display apparatus having the same

#372
20140103990
2014-04-17

Fault tolerant fail-safe link

#373
20140097824
2014-04-10

Current measurement via gate of external transistor

#374
20140027785
2014-01-30

Cascoded semiconductor devices

#375
20140009189
2014-01-09

Solid-state bidirectional switch having a first and a second power-FET

#376
20130265095
2013-10-10

Half-bridge circuits employing normally on switches and methods of preventing unintended current flow therein

#377
20130257504
2013-10-03

Clamping circuit

#378
20130241621
2013-09-19

System and apparatus for driver circuit for protection of gates of GaN FETs

#379
20130088287
2013-04-11

Semiconductor device and method of controlling analog switch

#380
20130077197
2013-03-28

ESD clamp adjustment

#381
20130076406
2013-03-28

Isolated gate driver adapted for PWM-based switching power supply

#382
20130063184
2013-03-14

HIGH TEMPERATURE OPERATION SILICON CARBIDE GATE DRIVER

#383
20130049813
2013-02-28

High-side switch circuit

#384
20130049812
2013-02-28

Monolithic high-side switch control circuits

#385
20130038356
2013-02-14

Output driving circuit and transistor output circuit

#386
20120313689
2012-12-13

Low voltage isolation switch, in particular for a transmission channel for ultrasound applications

#387
20120262221
2012-10-18

Low voltage isolation switch, in particular for a transmission channel for ultrasound applications

#388
20120235654
2012-09-20

Switching mode power supply comprising asynchronous limiter circuit

#389
20120229173
2012-09-13

Rapid switchable HV P-MOS power transistor driver with constant gate-source control voltage

#390
20120218009
2012-08-30

Control circuit of transistor and method

#391
20120206169
2012-08-16

Drive circuit for semiconductor switching element

#392
20120127618
2012-05-24

Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry

#393
20120098587
2012-04-26

Power semiconductor device and operation method thereof

#394
20120075760
2012-03-29

PROTECTION OF AN ELECTRONIC EQUIPMENT

#395
20120002333
2012-01-05

ESD clamp adjustment

#396
20110316609
2011-12-29

BIPOLAR JUNCTION TRANSISTOR TURN ON-OFF POWER CIRCUIT

#397
20110285447
2011-11-24

DRIVE CIRCUIT

#398
20110273116
2011-11-10

Driving circuits, power devices and electric devices including the same

#399
20110267106
2011-11-03

Low-power routing multiplexers

#400
20110235222
2011-09-29

OUTPUT SHORT TO GROUND PROTECTION CIRCUIT

#401
20110230032
2011-09-22

High voltage tolerant metal-oxide-semiconductor device

#402
20110180876
2011-07-28

Semiconductor device and electronic device

#403
20110163796
2011-07-07

Load switch system driven by a charge pump

#404
20110121884
2011-05-26

Half-bridge circuits employing normally on switches and methods of preventing unintended current flow therein

#405
20110102956
2011-05-05

Load driving device

#406
20110102070
2011-05-05

Over-drive circuit having stacked transistors

#407
20110095738
2011-04-28

Semiconductor device

#408
20110080192
2011-04-07

Drive circuit for switching device

#409
20110057592
2011-03-10

Power transistor circuit

#410
20110025404
2011-02-03

SWITCHES WITH VARIABLE CONTROL VOLTAGES

#411
20110012881
2011-01-20

Power supply circuit and control method thereof

#412
20110006838
2011-01-13

Device for controlling a power transistor

#413
20100327777
2010-12-30

Clamp to enable low voltage switching for high voltage terminal applications

#414
20100253395
2010-10-07

TRANSISTOR Gate Driver for Short Circuit Protection

#415
20100176783
2010-07-15

Switching device drive circuit

#416
20100157491
2010-06-24

Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry

#417
20100079194
2010-04-01

Gate driver circuit for H bridge circuit

#418
20100026370
2010-02-04

Half-bridge circuits employing normally on switches and methods of preventing unintended current flow therein

#419
20100026355
2010-02-04

Load drive device and control system of the same

#420
20100019829
2010-01-28

TURN ON-OFF POWER CIRCUIT FOR DIGITAL SYSTEMS

#421
20100014202
2010-01-21

Control circuit for a power field-effect transistor and method for configuring a control circuit for a power field-effect transistor

#422
20090323237
2009-12-31

Electrostatic discharge circuit

#423
20090303644
2009-12-10

Electrostatic discharge protected device

#424
20090289692
2009-11-26

Nagative voltage switch

#425
20090273012
2009-11-05

High voltage tolerant metal-oxide-semiconductor device

#426
20090256625
2009-10-15

Circuit and method for a gate control circuit with reduced voltage stress

#427
20090237126
2009-09-24

GATE DRIVER FOR SWITCHING POWER MOSFET

#428
20090218890
2009-09-03

Robust semiconductor power devices with design to protect transistor cells with slower switching speed

#429
20090147542
2009-06-11

Systems and methods for driving a transistor

#430
20090146628
2009-06-11

Power supply control circuit

#431
20090128223
2009-05-21

Thermally stable semiconductor power device

#432
20090108910
2009-04-30

Very low power consumption solid state relay

#433
20090085633
2009-04-02

Active voltage-clamping gate driving circuit

#434
20090079003
2009-03-26

Method for protecting circuits from damage due to currents and voltages during manufacture

#435
20090072809
2009-03-19

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

#436
20090066375
2009-03-12

Switching control system and motor driving system

#437
20090002901
2009-01-01

Power protection apparatus and electronic control unit

#438
20080310068
2008-12-18

Control circuit of semiconductor device having over-heat protecting function

#439
20080290927
2008-11-27

Half-bridge circuits employing normally on switches and methods of preventing unintended current flow therein

#440
20080290853
2008-11-27

Semiconductor element drive circuit

#441
20080278135
2008-11-13

Bootstrap clamping circuit for DC/DC regulators and method thereof

#442
20080266727
2008-10-30

Control of a power semiconductor switch

#443
20080265980
2008-10-30

Gate drive for wide bandgap semiconductor device

#444
20080252359
2008-10-16

SWITCH CONTROL CIRCUIT FOR EXTERNAL HARD DISK

#445
20080231321
2008-09-25

Drive circuit with a TOP level shifter for transmission of an input signal, and method for transmission

#446
20080203991
2008-08-28

DC-DC Converter that Includes a High Frequency Power MESFET Gate Drive Circuit

#447
20080197904
2008-08-21

Circuit Arrangement for Switching a Load

#448
20080192390
2008-08-14

Semiconductor device including protection circuit and switch circuit and its testing method

#449
20080164497
2008-07-10

Circuit having a power transistor and a drive circuit

#450
20080150505
2008-06-26

Switching regulator and semiconductor device having the same

#451
20080150503
2008-06-26

Transistor drive circuit of power converter operating in a wide voltage range

#452
20080106246
2008-05-08

Driver for a power converter and a method of driving a switch thereof

#453
20080094124
2008-04-24

Mosfet Device and Related Method of Operation

#454
20080088265
2008-04-17

Method and arrangement for controlling the electricity supply of an electronically commutated motor

#455
20080087963
2008-04-17

Tapered voltage polysilicon diode electrostatic discharge circuit for power MOSFETs and ICs

#456
20080043390
2008-02-21

Electrostatic discharge protection circuit and semiconductor device

#457
20080018366
2008-01-24

Driver for switch and a method of driving the same

#458
20080018365
2008-01-24

Coil Load Drive Output Circuit

#459
20080002317
2008-01-03

Method for protecting circuits from damage due to currents and voltages induced during manufacture

#460
20080001646
2008-01-03

Thermally stable semiconductor power device

#461
20070222486
2007-09-27

DRIVER CIRCUIT CONNECTED TO PULSE SHAPING CIRCUITRY

#462
20070222485
2007-09-27

Circuit for driving a semiconductor element

#463
20070200516
2007-08-30

Control drive circuit for electric power tool

#464
20070146952
2007-06-28

Overcurrent protection device for semiconductor element

#465
20070146020
2007-06-28

High Frequency Power MESFET Gate Drive Circuits

#466
20070139841
2007-06-21

On failure detecting apparatus of power supply circuit

#467
20070115705
2007-05-24

Operation of a half-bridge, in particular a field-effect transistor half-bridge

#468
20070097576
2007-05-03

Switch pre-driver system and method

#469
20070025122
2007-02-01

AC-to-DC electrical switching circuit

#470
20070018194
2007-01-25

Driving circuit

#471
20060273801
2006-12-07

Semiconductor integrated circuit and controlling method thereof

#472
20060256781
2006-11-16

Low-power routing multiplexers

#473
20060238232
2006-10-26

Voltage level shifting device

#474
20060220699
2006-10-05

Circuit and method for transistor turn-off with strong pulldown

#475
20060198173
2006-09-07

Control circuit for a depletion mode switch and method of operating the same

#476
20060192589
2006-08-31

Inverter apparatus with improved gate drive for power MOSFET

#477
20060176626
2006-08-10

Electro-static discharge (ESD) power clamp with power up detection

#478
20060170456
2006-08-03

Driver circuit for binary signals

#479
20060114047
2006-06-01

Semiconductor unit

#480
20060087304
2006-04-27

Buck converter with high efficiency gate driver providing extremely short dead time

#481
20060077000
2006-04-13

Semiconductor device

#482
20060071277
2006-04-06

Apparatus and method for breakdown protection of a source follower circuit

#483
20060066348
2006-03-30

Semiconductor integrated circuit device

#484
20060054938
2006-03-16

Gate driver with programmable dead-time insertion

#485
20060044014
2006-03-02

Voltage translator with data buffer

#486
20060012396
2006-01-19

Level shifter and method thereof

#487
20060001459
2006-01-05

Anti-cross conduction drive control circuit and method

#488
20050280440
2005-12-22

Predriver circuit

#489
20050254188
2005-11-17

Semiconductor integrated circuit device

#490
20050231866
2005-10-20

Method and apparatus for protecting a gate oxide using source/bulk pumping

#491
20050231260
2005-10-20

Break-before-make predriver and level-shifter

#492
20050212568
2005-09-29

Drive circuit and method of applying high voltage test thereon

#493
20050168203
2005-08-04

Driver for a power converter and a method of driving a switch thereof

#494
20050161700
2005-07-28

Integrated power switching circuit

#495
20050144539
2005-06-30

Semiconductor device capable of preventing malfunction resulting from false signal generated in level shift circuit

#496
20050088110
2005-04-28

Methods and systems for reducing power-on failure of integrated circuits

#497
20050052254
2005-03-10

Programmable oscillator

#498
20050024103
2005-02-03

Circuit arrangement for controlling power semiconductor transistors

#499
19194199
2025-12-02

Power switch having off indication and method of coordinating

#500
18303771
2024-09-10

Low-current run plug enhanced safety circuit for underwater systems

#501
17648199
2023-06-20

Charge injection protection devices and methods for input/output interfaces

#502
16906347
2022-04-26

Maintaining safe operating area operation of transistors during ramp up

#503
16745205
2021-06-22

Energy efficient power distribution circuits for protection of sensitive information

#504
16173268
2020-03-17

Bleeding switching regulator power rail through switching regulator ground side switch

#505
16145779
2019-06-11

Current control and protection for universal serial bus type-C (USB-C) connector systems

#506
16110937
2019-04-23

Unified low power bidirectional port

#507
15953146
2019-02-26

Three level gate monitoring

#508
15616872
2019-04-09

Overvoltage protection circuit