Tang; Chien-Fu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tang; Chien-Fu.The latest application filed is for "power path switch circuit".

Company Profile

13.71.83

Tang; Chien-Fu - Hsinchu TW
TANG; Chien-Fu - Hsinchu City TW
Tang; Chien-Fu - East Dist., Hsinchu N/A TW
TANG; CHIEN-FU - HSINCHU CITY 300 TW
Tang; Chien Fu - US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Low delay time power converter circuit and driver circuit thereof Grant 11,303,218 - Chen , et al. April 12, 2	2022-04-12
Power Path Switch Circuit App 20220060116 - Wu; Hsin-Yi ; et al.	2022-02-24
Current sensing circuit having self calibration Grant 11,169,179 - Chen , et al. November 9, 2	2021-11-09
Current Sensing Circuit Having Self Calibration App 20210270870 - Chen; Isaac Y. ; et al.	2021-09-02
Low Delay Time Power Converter Circuit And Driver Circuit Thereof App 20210167691 - Chen; Isaac Y. ; et al.	2021-06-03
Power control circuit, pulse signal detection circuit, and pulse signal detection method Grant 10,686,383 - Lo , et al.	2020-06-16
Power Control Circuit, Pulse Signal Detection Circuit, And Pulse Signal Detection Method App 20200099307 - Lo; Li-Di ; et al.	2020-03-26
ZVS control circuit for use in a flyback power converter Grant 10,560,012 - Yang , et al. Feb	2020-02-11
Zvs Control Circuit For Use In A Flyback Power Converter App 20200036280 - Yang; Ta-Yung ; et al.	2020-01-30
Communication protocol circuit and discrete-time current sense circuit and method thereof Grant 10,505,464 - Tang , et al. Dec	2019-12-10
Flyback power converter and secondary side control circuit thereof Grant 10,461,652 - Tang , et al. Oc	2019-10-29
Power switch control circuit and open detection method thereof Grant 10,461,624 - Tsu , et al. Oc	2019-10-29
Communication Protocol Circuit And Discrete-time Current Sense Circuit And Method Thereof App 20190296651 - Tang; Chien-Fu ; et al.	2019-09-26
Flyback power converter circuit and secondary side controller circuit thereof Grant 10,355,612 - Tang , et al. July 16, 2	2019-07-16
Switching regulator and control circuit thereof Grant 10,326,351 - Lo , et al.	2019-06-18
Flyback power converter circuit and high voltage start-up circuit thereof Grant 10,291,137 - Tang , et al.	2019-05-14
Switching Regulator And Control Circuit Thereof App 20190140534 - Lo; Li-Di ; et al.	2019-05-09
Flyback Power Converter And Secondary Side Control Circuit Thereof App 20190115844 - Tang; Chien-Fu ; et al.	2019-04-18
Flyback Power Converter Circuit And High Voltage Start-up Circuit Thereof App 20190028033 - Tang; Chien-Fu ; et al.	2019-01-24
Flyback power converter with programmable output and control circuit and control method thereof Grant 10,153,703 - Chang , et al. Dec	2018-12-11
Flyback Power Converter Circuit And Secondary Side Controller Circuit Thereof App 20180212528 - Tang; Chien-Fu ; et al.	2018-07-26
Power Switch Control Circuit And Open Detection Method Thereof App 20180138797 - Tsu; Pei-Sheng ; et al.	2018-05-17
Mixed mode compensation circuit Grant 9,964,972 - Tang , et al. May 8, 2	2018-05-08
AC-to-DC power converter and control method and control integrated circuit thereof Grant 9,966,857 - Pan , et al. May 8, 2	2018-05-08
Mixed mode compensation circuit Grant 9,703,302 - Tang , et al. July 11, 2	2017-07-11
Flyback Power Converter With Programmable Output And Control Circuit And Control Method Thereof App 20170163162 - Chang; Kuang-Fu ; et al.	2017-06-08
Flyback power converter and control circuit thereof Grant 9,627,982 - Lin , et al. April 18, 2	2017-04-18
Flyback power converter with programmable output and control circuit and control method thereof Grant 9,614,449 - Chang , et al. April 4, 2	2017-04-04
Control circuit of power converter with error detection circuit and reverse adjusting circuit Grant 9,570,989 - Tang , et al. February 14, 2	2017-02-14
Mixed mode compensation circuit Grant 9,541,929 - Tang , et al. January 10, 2	2017-01-10
Frequency Jittering Control Circuit And Method For A Pfm Power Supply App 20170005647 - PAN; Jiun-Hung ; et al.	2017-01-05
Mixed Mode Compensation Circuit App 20160327967 - Tang; Chien-Fu ; et al.	2016-11-10
Mixed Mode Compensation Circuit App 20160327968 - Tang; Chien-Fu ; et al.	2016-11-10
Mixed Mode Compensation Circuit App 20160327969 - Tang; Chien-Fu ; et al.	2016-11-10
Frequency jittering control circuit and method for a PFM power supply Grant 9,479,063 - Pan , et al. October 25, 2	2016-10-25
Ac-to-dc Power Converter And Control Method And Control Integrated Circuit Thereof App 20160308449 - PAN; Jiun-Hung ; et al.	2016-10-20
Apparatus and method for implementing a multiple function pin in a BCM power supply Grant 9,450,486 - Tang , et al. September 20, 2	2016-09-20
Control Circuit Of Power Converter App 20160190916 - TANG; Chien-Fu ; et al.	2016-06-30
Flyback power supply circuit with programmable function and control method thereof Grant 9,362,834 - Tang , et al. June 7, 2	2016-06-07
Flyback Power Converter With Programmable Output And Control Circuit And Control Method Thereof App 20160105116 - Chang; Kuang-Fu ; et al.	2016-04-14
Voltage converting controller, voltage converting circuit, and control method for voltage converting Grant 9,287,785 - Lee , et al. March 15, 2	2016-03-15
Input Voltage Detection Circuit With A Parameter Setting Function Applied In A Power Converter And Parameter Setting And Circuit Protecting Method Thereof App 20160069938 - WU; Hsin-Yi ; et al.	2016-03-10
Voltage converting controller, voltage converting circuit, and control method for voltage converting Grant 9,270,186 - Lee , et al. February 23, 2	2016-02-23
Flyback Power Supply Circuit With Programmable Function And Control Method Thereof App 20150372603 - Tang; Chien-Fu ; et al.	2015-12-24
Voltage Converting Controller, Voltage Converting Circuit, And Control Method For Voltage Converting App 20150372602 - Lee; Chuh Ching ; et al.	2015-12-24
Voltage Converting Controller, Voltage Converting Circuit, And Control Method For Voltage Converting App 20150372599 - Lee; Chuh Ching ; et al.	2015-12-24
Power off delay circuit and method, and audio system with power off delay Grant 9,219,352 - Lin , et al. December 22, 2	2015-12-22
Soft-start switching power converting apparatus with pulse-frequency modulation technique Grant 9,203,319 - Ho , et al. December 1, 2	2015-12-01
Bleeding circuit and method for reducing power consumption of an EMI filter Grant 9,203,295 - Lee , et al. December 1, 2	2015-12-01
Flyback Power Converter And Control Circuit Thereof App 20150326129 - Lin; Kun-Yu ; et al.	2015-11-12
Switching power converting apparatus Grant 9,136,766 - Tang , et al. September 15, 2	2015-09-15
Soft-start switching power converting apparatus with pulse-frequency modulation technique Grant 9,130,464 - Ho , et al. September 8, 2	2015-09-08
Soft-start Switching Power Converting Apparatus With Pulse-frequency Modulation Technique App 20150249392 - Ho; Jyun-Che ; et al.	2015-09-03
Mixed mode compensation circuit and method for a power converter Grant 9,104,216 - Tang , et al. August 11, 2	2015-08-11
Bootstrap circuit and method for controlling the same Grant 9,093,914 - Tseng , et al. July 28, 2	2015-07-28
Control circuit for power converting circuit Grant 9,083,253 - Chen , et al. July 14, 2	2015-07-14
Control Circuit For Power Converting Circuit App 20150162843 - CHEN; Isaac Y. ; et al.	2015-06-11
Switching power converting apparatus, switching controller for the same, and method of controlling a bipolar junction transistor of the same Grant 9,042,126 - Cheng , et al. May 26, 2	2015-05-26
Frequency Jitter Circuit And Method App 20150130523 - TANG; CHIEN-FU ; et al.	2015-05-14
Control circuit for power converter and method thereof Grant 9,024,607 - Yang , et al. May 5, 2	2015-05-05
Soft-start Switching Power Converting Apparatus App 20150009719 - Ho; Jyun-Che ; et al.	2015-01-08
Power factor correction circuit, control circuit therefor and method for driving load circuit through power factor correction Grant 8,907,648 - Ho , et al. December 9, 2	2014-12-09
Apparatus and Method for Implementing a Multiple Function Pin in a BCM Power Supply App 20140328087 - TANG; Chien-Fu ; et al.	2014-11-06
Switching Power Converting Apparatus, Switching Controller For The Same, And Method Of Controlling A Bipolar Junction Transistor Of The Same App 20140286057 - HO; JYUN-CHE ; et al.	2014-09-25
Control Circuit For Flyback Power Converter And Calibration Method Thereof App 20140268924 - TANG; Chien-Fu ; et al.	2014-09-18
Circuit And Method For Improving Noise Immunity Of A Single-end Level Shifter In A Floating Gate Driver App 20140253185 - TSENG; Pei-Kai ; et al.	2014-09-11
Circuit and method for improving noise immunity of a single-end level shifter in a floating gate driver Grant 8,823,424 - Tseng , et al. September 2, 2	2014-09-02
Voltage Converter Circuit And Voltage Converter Controller App 20140226372 - Tang; Chien Fu ; et al.	2014-08-14
High voltage offset detection circuit Grant 8,791,725 - Tseng , et al. July 29, 2	2014-07-29
Circuit and method for improving noise immunity of a single-end level shifter in a floating gate driver Grant 8,779,806 - Tseng , et al. July 15, 2	2014-07-15
Bootstrap Circuit And Method For Controlling The Same App 20140191732 - Tseng; Pei Kai ; et al.	2014-07-10
Switching Power Converting Apparatus App 20140192564 - TANG; Chien-Fu ; et al.	2014-07-10
Mixed Mode Compensation Circuit App 20140176102 - Tang; Chien-Fu ; et al.	2014-06-26
Reverse shunt regulator Grant 8,754,617 - Tang , et al. June 17, 2	2014-06-17
Power Off Delay Circuit and Method, and Audio System with Power Off Delay App 20140139043 - LIN; Chi-Hua ; et al.	2014-05-22
High voltage offset detection circuit Grant 8,723,560 - Tseng , et al. May 13, 2	2014-05-13
Apparatus and method for output voltage calibration of a primary feedback flyback power module Grant 8,724,349 - Tang , et al. May 13, 2	2014-05-13
Configuration and method for improving noise immunity of a floating gate driver circuit Grant 8,723,552 - Tseng , et al. May 13, 2	2014-05-13
Control circuit for power converter and method thereof Grant 8,717,091 - Lai , et al. May 6, 2	2014-05-06
High Voltage Offset Detection Circuit App 20140118029 - TSENG; Pei-Kai ; et al.	2014-05-01
Control circuit for power converter and method thereof Grant 8,704,590 - Lai , et al. April 22, 2	2014-04-22
Power off delay circuit and method, and audio system with power off delay Grant 8,674,554 - Lin , et al. March 18, 2	2014-03-18
Ac-to-dc Power Converter And Control Method And Control Integrated Circuit Thereof App 20140056036 - PAN; Jiun-Hung ; et al.	2014-02-27
High Voltage Device App 20140042515 - Tseng; Pei-Kai ; et al.	2014-02-13
Digital dimming device and digital dimming method Grant 8,643,292 - Tang , et al. February 4, 2	2014-02-04
Control Circuit For Power Converter And Method Thereof App 20140022010 - LAI; Yung-Chih ; et al.	2014-01-23
Controller and controlling method for power converter Grant 8,634,212 - Tang , et al. January 21, 2	2014-01-21
Led Control Device For Phase-cut Dimming System And Control Method Thereof App 20130342127 - PAN; Jiun-Hung ; et al.	2013-12-26
Bleeding Circuit And Method For Reducing Power Consumption Of An Emi Filter App 20130335038 - LEE; YEN-TE ; et al.	2013-12-19
Frequency control circuit and method for a non-constant frequency voltage regulator Grant 8,570,020 - Tang , et al. October 29, 2	2013-10-29
Control Circuit For Power Converter And Method Thereof App 20130235633 - YANG; Tsung-Hsi ; et al.	2013-09-12
Control Circuit For Power Converter And Method Thereof App 20130234790 - LAI; Yung-Chih ; et al.	2013-09-12
Floating Gate Driver With Better Safe Operation Area And Noise Immunity, And Method For Level Shifting A Switch Signal App 20130229207 - TSENG; Pei-Kai ; et al.	2013-09-05
Circuit And Method For Improving Noise Immunity Of A Single-end Level Shifter In A Floating Gate Driver App 20130207704 - TSENG; Pei-Kai ; et al.	2013-08-15
Control circuit of switching regulator and control method thereof and transistor device therefor Grant 8,508,203 - Tang , et al. August 13, 2	2013-08-13
Mosfet Bridge Rectifier App 20130176758 - TSENG; Pei-Kai ; et al.	2013-07-11
Frequency Jitter Circuit And Method App 20130169370 - TANG; Chien-Fu ; et al.	2013-07-04
Frequency Jitter Circuit And Method App 20130162359 - TANG; CHIEN-FU ; et al.	2013-06-27
Mixed Mode Compensation Circuit And Method For A Power Converter App 20130113450 - TANG; Chien-Fu ; et al.	2013-05-09
High Voltage Offset Detection Circuit App 20130106466 - TSENG; Pei-Kai ; et al.	2013-05-02
Power Regulator With Over Current Protection And Control Circuit Thereof And Method Of Over Current Protection App 20130070379 - Pan; Jiun-Hung ; et al.	2013-03-21
Average current regulator and driver circuit thereof and method for regulating average current Grant 8,400,127 - Chen , et al. March 19, 2	2013-03-19
Power Off Delay Circuit And Method, And Audio System With Power Off Delay App 20130063216 - LIN; CHI-HUA ; et al.	2013-03-14
Frequency Jittering Control Circuit And Method For A Pfm Power Supply App 20130051089 - Pan; Jiun-Hung ; et al.	2013-02-28
Frequency control circuit and method for a non-constant frequency voltage regulator Grant 8,350,548 - Tang , et al. January 8, 2	2013-01-08
Power Factor Correction Circuit, Control circuit Therefor and Method for Driving Load Circuit through Power Factor Correction App 20120306459 - Ho; Jyun-Che ; et al.	2012-12-06
Multi-chip module with master-slave analog signal transmission function Grant 8,320,149 - Tang , et al. November 27, 2	2012-11-27
Overstress protection apparatus and method Grant 8,295,022 - Tang , et al. October 23, 2	2012-10-23
Configuration And Method For Improving Noise Immunity Of A Floating Gate Driver Circuit App 20120229165 - TSENG; Pei-Kai ; et al.	2012-09-13
Fixed-frequency control circuit and method for pulse width modulation Grant 8,253,507 - Tang , et al. August 28, 2	2012-08-28
Reverse Shunt Regulator App 20120155123 - TANG; Chien-Fu ; et al.	2012-06-21
Controller And Controlling Method For Power Converter App 20120155122 - TANG; Chien-Fu ; et al.	2012-06-21
Frequency Jitter Circuit And Method App 20120056683 - TANG; CHIEN-FU ; et al.	2012-03-08
Apparatus And Method For Output Voltage Calibration Of A Primary Feedback Flyback Power Module App 20120008345 - TANG; CHIEN-FU ; et al.	2012-01-12
Control circuit of switching regulator and control method thereof and transistor device therefor App 20110298436 - Tang; Chien Fu ; et al.	2011-12-08
Circuit Structure Of An Ultra High Voltage Level Shifter App 20110233716 - TANG; CHIEN-FU ; et al.	2011-09-29
Multi-Chip Module with Master-Slave Analog Signal Transmission Function App 20110187430 - Tang; Chien Fu ; et al.	2011-08-04
Frequency Control Circuit And Method For A Non-constant Frequency Voltage Regulator App 20110109291 - TANG; CHIEN-FU ; et al.	2011-05-12
Fixed-frequency Control Circuit And Method For Pulse Width Modulation App 20110109398 - TANG; CHIEN-FU ; et al.	2011-05-12
Digital dimming device and digital dimming method App 20110109238 - Tang; Chien-Fu ; et al.	2011-05-12
Frequency Control Circuit And Method For A Non-constant Frequency Voltage Regulator App 20110109290 - TANG; CHIEN-FU ; et al.	2011-05-12
Average Current Regulator And Driver Circuit Thereof And Method For Regulating Average Current App 20110068761 - Chen; An-Tung ; et al.	2011-03-24
Power Off Delay Circuit And Method, And Audio System With Power Off Delay App 20100320844 - LIN; CHI-HUA ; et al.	2010-12-23
Overstress Protection Apparatus And Method App 20100321849 - TANG; CHIEN-FU ; et al.	2010-12-23
On-chip mode-setting circuit and method for a chip Grant 7,800,425 - Tang , et al. September 21, 2	2010-09-21
Simple circuit and method for improving current balance accuracy of a power converter system Grant 7,795,755 - Chen , et al. September 14, 2	2010-09-14
Circuit and method for soft start of a switching regulator from a residual voltage Grant 7,576,522 - Chen , et al. August 18, 2	2009-08-18
Simple circuit and method for improving current balance accuracy of a power converter system App 20090039704 - Chen; Isaac Y. ; et al.	2009-02-12
Circuit and method for soft start of a switching regulator from a residual voltage App 20080238397 - Chen; Isaac Y. ; et al.	2008-10-02
On-chip mode-setting circuit and method for a chip App 20080122494 - Tang; Chien-Fu ; et al.	2008-05-29