Patents by Inventor Ting-Hung Wang
Ting-Hung Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11993689Abstract: The present invention relates to a foamable composition used to prepare foamed thermoplastic polyurethane and a microwave molded body thereof. The foamable composition includes unfoamed thermoplastic polyurethane particles, a thickener or a bridging agent, and a foaming agent, wherein the unfoamed thermoplastic polyurethane particles have a viscosity of 1,000 poise to 9,000 poise measured at 170° C. according to JISK 7311 test method.Type: GrantFiled: June 13, 2018Date of Patent: May 28, 2024Assignee: SUNKO INK CO., LTD.Inventors: Ting-Kai Huang, Yi-Jung Huang, Hsin-Hung Lin, Hong-Yi Lin, Ya-Chi Wang
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Patent number: 11994558Abstract: An electronic system test method, comprising: (a) inputting a victim test pattern to a victim signal path of a target electronic system and simultaneously inputting at least one aggressor test pattern to at least one aggressor signal path of the target electronic system, according to a major set of test patterns comprising a plurality of minor set of test patterns; (b) acquiring a output response corresponding to the step (a); and (c) after changing the victim test pattern or the aggressor test pattern, and after repeating the step (a) and the step (b) until all of the major test patterns set are used thereby acquiring a plurality of the output responses, determining a combination level according to the output responses. The victim test pattern is an X bit pattern and the aggressor test pattern is a Y bit pattern, X and Y are positive integers larger than or equal to 3.Type: GrantFiled: November 1, 2022Date of Patent: May 28, 2024Assignee: Realtek Semiconductor Corp.Inventors: Han-Yun Tsai, Shih-Hung Wang, Ting-Ying Wu
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Patent number: 10103632Abstract: A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.Type: GrantFiled: September 20, 2016Date of Patent: October 16, 2018Assignee: RICHTEK TECHNOLOGY CORP.Inventors: Hung-Shou Nien, Ting-Hung Wang, Cheng-Ching Hsu, Shang-Ying Chung
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Publication number: 20170019026Abstract: A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.Type: ApplicationFiled: September 20, 2016Publication date: January 19, 2017Inventors: Hung-Shou NIEN, Ting-Hung WANG, Cheng-Ching HSU, Shang-Ying CHUNG
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Patent number: 9461544Abstract: A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.Type: GrantFiled: April 16, 2012Date of Patent: October 4, 2016Assignee: RICHTEK TECHNOLOGY CORPORATIONInventors: Hung-Shou Nien, Ting-Hung Wang, Cheng-Ching Hsu, Shang-Ying Chung
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Patent number: 8901911Abstract: A control circuit for a switching voltage regulator is disclosed, having a charging circuit, a discharging circuit, and a charging-discharging control circuit. The charging circuit generates a charging current according to the input voltage and the output voltage of the switching voltage regulator for charging a capacitor. The discharging circuit generates a discharging current according to the output voltage of the switching voltage regulator for discharging the capacitor. The charging-discharging control circuit configures the charging circuit, the discharging circuit, and the switching voltage regulator according to the voltage of the capacitor for providing a control signal to configure the switching voltage regulator.Type: GrantFiled: March 14, 2012Date of Patent: December 2, 2014Assignee: Richtek Technology CorporationInventors: Wei-Jhih Wen, Ting-Hung Wang, Chia-Jung Lee, Shang-Ying Chung
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Patent number: 8816746Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method of the integrated circuit are provided. The multi-functional parameter setting method includes following steps: providing the integrated circuit which includes a switch unit and a multi-functional pin that is coupled to an external setting unit, sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage, and sensing a programmable reference current of the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current.Type: GrantFiled: March 1, 2013Date of Patent: August 26, 2014Assignee: uPI Semiconductor Corp.Inventors: Wei-Jhih Wen, Ting-Hung Wang, Sheng-Hsuan Wang, Wei-Ling Chen
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Publication number: 20140132324Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method of the integrated circuit are provided. The multi-functional parameter setting method includes following steps: providing the integrated circuit which includes a switch unit and a multi-functional pin that is coupled to an external setting unit, sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage, and sensing a programmable reference current of the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current.Type: ApplicationFiled: March 1, 2013Publication date: May 15, 2014Applicant: uPI Semiconductor Corp.Inventors: Wei-Jhih Wen, Ting-Hung Wang, Sheng-Hsuan Wang, Wei-Ling Chen
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Patent number: 8710815Abstract: The present invention discloses a voltage regulator, and a control circuit and a control method therefor. The method for controlling a voltage regulator comprises: receiving a dynamic voltage identification signal which instructs the voltage regulator to change its output voltage to a target voltage, and generating a compensation signal to shorten an interval for the output voltage of the voltage regulator to reach the target voltage.Type: GrantFiled: June 14, 2011Date of Patent: April 29, 2014Assignee: Richtek Technology Corporation, R.O.C.Inventors: Chieh-Min Feng, Ting-Hung Wang, Chung-Sheng Cheng, Jian-Rong Huang
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Patent number: 8643354Abstract: The present invention discloses a multi-phase switching regulator, a driver circuit of a multi-phase switching regulator, and a control method of a multi-phase switching regulator. The multi-phase switching regulator includes: at least two power stages, switching power transistors in the power stages to convert an input voltage to an output voltage according to pulse width modulation (PWM) signals generated by corresponding PWM controllers respectively; and a current balance circuit, generating a current balance signal according to the current of the corresponding power stage and a phase adjustment signal to averagely distribute current over the active power stages. In the present invention, the gain of the current balance circuit is adjustable, to avoid or reduce output voltage overshoot and undershoot when the phase number changes, while the current balance function is still achieved in normal operation.Type: GrantFiled: May 26, 2011Date of Patent: February 4, 2014Assignee: Richtek Technology Corporation, R.O.C.Inventors: Yu-Wei Chang, Yuan-Huang Cheng, Ting-Hung Wang, Chia-Jung Lee, Chung-Sheng Cheng
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Publication number: 20120262136Abstract: A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.Type: ApplicationFiled: April 16, 2012Publication date: October 18, 2012Applicant: RICHTEK TECHNOLOGY CORPORATIONInventors: HUNG-SHOU NIEN, TING-HUNG WANG, CHENG-CHING HSU, SHANG-YING CHUNG
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Publication number: 20120235659Abstract: A control circuit for a switching voltage regulator is disclosed, having a charging circuit, a discharging circuit, and a charging-discharging control circuit. The charging circuit generates a charging current according to the input voltage and the output voltage of the switching voltage regulator for charging a capacitor. The discharging circuit generates a discharging current according to the output voltage of the switching voltage regulator for discharging the capacitor. The charging-discharging control circuit configures the charging circuit, the discharging circuit, and the switching voltage regulator according to the voltage of the capacitor for providing a control signal to configure the switching voltage regulator.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Applicant: RICHTEK TECHNOLOGY CORPORATIONInventors: Wei-Jhih WEN, Ting-Hung WANG, Chia-Jung LEE, Shang-Ying CHUNG
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Publication number: 20120176105Abstract: The present invention discloses a multi-phase switching regulator, a driver circuit of a multi-phase switching regulator, and a control method of a multi-phase switching regulator. The multi-phase switching regulator includes: at least two power stages, switching power transistors in the power stages to convert an input voltage to an output voltage according to pulse width modulation (PWM) signals generated by corresponding PWM controllers respectively; and a current balance circuit, generating a current balance signal according to the current of the corresponding power stage and a phase adjustment signal to averagely distribute current over the active power stages. In the present invention, the gain of the current balance circuit is adjustable, to avoid or reduce output voltage overshoot and undershoot when the phase number changes, while the current balance function is still achieved in normal operation.Type: ApplicationFiled: May 26, 2011Publication date: July 12, 2012Inventors: Yu-Wei Chang, Yuan-Huang Cheng, Ting-Hung Wang, Chia-Jung Lee, Chung-Sheng Cheng
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Publication number: 20120098514Abstract: The present invention discloses a current mode switching regulator, a control circuit of a switching regulator, and a control method of a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. And the power stage switches at least one power transistor to convert an input voltage to an output voltage. The present invention generates an error signal according to a feedback signal related to the output voltage, and adjusts an operation voltage supplied to the driver circuit according to the error signal.Type: ApplicationFiled: March 24, 2011Publication date: April 26, 2012Inventors: Ting-Hung Wang, Chia-Jung Lee
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Patent number: 8159805Abstract: A quick response mechanism for a switching power system includes a detector and an adjustor connected to the detector. The detector is configured to directly monitor the drop of the output voltage of the switching power system so that a quick response could be immediately triggered when a load transient occurs. The adjustor is configured to adjust the duration of the quick response, thereby preventing the output voltage from undershoot or ringback.Type: GrantFiled: May 12, 2009Date of Patent: April 17, 2012Assignee: Richtek Technology Corp.Inventors: Chieh-Min Feng, Ting-Hung Wang
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Publication number: 20120086418Abstract: The present invention discloses a multi-phase switching regulator, and a driver circuit and a control method thereof. The multi-phase switching regulator includes: at least two power stages each having at least one switching power transistor which switches to convert a common input voltage to a common output voltage according to PWM signals generated by corresponding PWM controllers, respectively; a feedback circuit, generating a feedback signal according to the output voltage; a current balance circuit, generating a current balance signal according to the currents of the power stages and a phase off signal to distribute current loading among the active power stages; and a soft shutdown control circuit, generating a soft shutdown control signal according to the phase off signal to gradually change the duty of a PWM signal corresponding to a power stage, so as to softly shut down the power stage to avoid a voltage undershoot.Type: ApplicationFiled: January 27, 2011Publication date: April 12, 2012Inventors: Chia-Jung Lee, Yuan-Huang Cheng, Ting-Hung Wang
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Publication number: 20120062189Abstract: The present invention discloses a switching regulator, and a control circuit and method for controlling a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. The present invention detects an input current to generate an input current detection signal, and adjusts an operation voltage supplied to the driver circuit according to the input current detection signal.Type: ApplicationFiled: December 14, 2010Publication date: March 15, 2012Inventors: Ting-Hung Wang, Chia-Jung Lee
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Publication number: 20110316518Abstract: The present invention discloses a voltage regulator, and a control circuit and a control method therefor. The method for controlling a voltage regulator comprises: receiving a dynamic voltage identification signal which instructs the voltage regulator to change its output voltage to a target voltage, and generating a compensation signal to shorten an interval for the output voltage of the voltage regulator to reach the target voltage.Type: ApplicationFiled: June 14, 2011Publication date: December 29, 2011Inventors: Chieh-Min Feng, Ting-Hung Wang, Chung-Sheng Cheng, Jian-Rong Huang
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Patent number: 8063617Abstract: A per-phase quick response generation circuit generates a quick response signal to determine a quick response pulse to be inserted into a pulse width modulation signal of the corresponding phase. The quick response pulse will force the upper power switch of the corresponding phase on to increase the current supply ability during load transition. A multi-phase voltage regulator with the quick response generation circuit can have different quick response pulse widths for the interleaved phases, so as to decrease the current imbalance period of the voltage regulator after load transition.Type: GrantFiled: March 6, 2009Date of Patent: November 22, 2011Assignee: Richtek Technology Corp.Inventors: Ting-Hung Wang, Chia-Jung Lee, Liang-Pin Tai
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Publication number: 20090284239Abstract: A quick response mechanism for a switching power system includes a detector and an adjustor connected to the detector. The detector is configured to directly monitor the drop of the output voltage of the switching power system so that a quick response could be immediately triggered when a load transient occurs. The adjustor is configured to adjust the duration of the quick response, thereby preventing the output voltage from undershoot or ringback.Type: ApplicationFiled: May 12, 2009Publication date: November 19, 2009Inventors: Chieh-Min Feng, Ting-Hung Wang