Patents by Inventor Yong Lim
Yong Lim 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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Publication number: 20260202260Abstract: A temperature sensing device includes: a first sensing circuit with a first capacitor circuit selectively connected to a first resistor; a second sensing circuit with a second capacitor circuit selectively connected to a second resistor; a comparator circuit configured to output a comparison signal based on a comparison of a first voltage of a first node and a second voltage of a second node; and a successive approximation register (SAR) logic circuit configured to output digital data obtained based on a comparison of the comparison signal in a successive approximation register manner. The first sensing circuit is configured to charge at least one of a plurality of first capacitors with a power supply voltage based on a first control signal, and discharged to a ground voltage through the first resistor and the first node based on a second control signal.Type: ApplicationFiled: December 31, 2025Publication date: July 16, 2026Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yelim YOUN, Wan KIM, Yong LIM
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Patent number: 12619270Abstract: A hybrid low drop-out (LDO) regulator is provided. The hybrid LDO regulator provides current to a load block, and includes: an analog LDO regulator configured to provide a first current corresponding to an average current consumed by the load block; and a digital LDO regulator configured to provide a second current corresponding to a peak current consumed by the load block based on information indicating the peak current is consumed.Type: GrantFiled: January 30, 2023Date of Patent: May 5, 2026Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaehoon Lee, Yelim Youn, Yong Lim
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Patent number: 12567845Abstract: An amplifier and an electronic system including the same are provided. An amplifier includes a first NMOS transistor configured to receive a first input, a second NMOS transistor configured to receive a second input, the second NMOS transistor including a source connected to a source of the first NMOS transistor, a first resistor including a first end connected to a drain of the first NMOS transistor and a second end connected to a first output, a second resistor including a first end connected to a drain of the second NMOS transistor, and a second end connected to a second output, and the amplifier is configured to generate the first output and the second output based on the first input, the second input, a resistance value of the first resistor, and a resistance value of the second resistor.Type: GrantFiled: November 2, 2022Date of Patent: March 3, 2026Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Hoon Lee, Yong Lim
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Publication number: 20250337433Abstract: An analog-to-digital converter (ADC) includes a first digital-to-analog converter (DAC) configured to change a signal level of a first node based on a first and second input analog signals, a second DAC configured to change a signal level of a second node based on one of the first input analog signal and the second input analog signal, a comparator configured to compare the signal level of the first node and the signal level of the second node, and a controller configured to generate a first digital value for the first DAC and a second digital value for the second DAC based on an output of the comparator during a first conversion phase corresponding to a first sampling phase, input the first digital value into the second DAC before a second sampling phase, and input the second digital value into the first DAC before the second sampling phase.Type: ApplicationFiled: February 5, 2025Publication date: October 30, 2025Inventors: TAEWOONG KIM, JAEHOON LEE, YONG LIM
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Patent number: 12321185Abstract: A low dropout (LDO) regulator includes an operational amplifier connected to a capacitor receiving an input voltage through a first end and storing an offset voltage through a second end, a first transistor configured to control an electrical connection between the input voltage and the first end of the operational amplifier, a second transistor configured to control an electrical connection between the first end of the operational amplifier and a first node, a third transistor configured to control an electrical connection between an output end of the operational amplifier and a second node, and a fourth transistor configured to control an electrical connection between a second end of the operational amplifier and the output end of the operational amplifier.Type: GrantFiled: January 3, 2023Date of Patent: June 3, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Jaehoon Lee, Yong Lim, Seunghyun Oh
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Analog digital converter and method for analog to digital converting in the analog digital converter
Patent number: 12224766Abstract: An analog-to-digital converter is provided. An analog-to-digital converter includes a comparator including a first input node receiving an output of a plurality of first unit capacitors and a second input node receiving an output of a plurality of second unit capacitors, a control logic configured to output first and second control signals on the basis of an output signal of the comparator, and a reference voltage adjustment circuit configured to adjust an output voltage provided to the comparator on the basis of the first and second control signals. The reference voltage adjustment circuit comprises a first pull-up circuit configured to apply a first reference voltage to each of the plurality of first unit capacitors and a first pull-down circuit configured to apply a second reference voltage to each of the plurality of second unit capacitors, based on v.Type: GrantFiled: November 22, 2022Date of Patent: February 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Sea Cho, Wan Kim, Yong Lim -
Publication number: 20250038711Abstract: An amplifier includes a first stage amplifier circuit configured to receive an input voltage and a first multi-stage amplifier circuit and a second multi-stage amplifier circuit branching off from an output terminal of the first stage amplifier circuit and each including a second stage and a third stage. Each of the first multi-stage amplifier circuit and the second multi-stage amplifier circuit may be configured to sample a voltage corresponding to a first bias current corresponding to the second stage and a voltage corresponding to a second bias current corresponding to the third stage in a first phase, and bias the second stage with the voltage corresponding to the first bias current and bias the third stage with the voltage corresponding to the second bias current in a second phase.Type: ApplicationFiled: July 8, 2024Publication date: January 30, 2025Applicant: Samsung Electronics Co., Ltd.Inventors: Yong LIM, Jaehoon LEE
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Patent number: 12191881Abstract: An analog-to-digital converter (ADC) includes a first comparator configured to generate a first comparison signal on a basis of a first asynchronous clock signal generated from a sampling clock signal, and a second comparator configured to generate a second comparison signal on a basis of a second asynchronous clock signal generated by a first comparison operation completion signal. The ADC includes a first control logic configured to output a first control signal on a basis of the first comparison signal and a second control logic configured to output a second control signal on a basis of the second comparison signal. The ADC includes a first reference signal adjusting circuit configured to adjust a first reference signal on a basis of the first control signal and a second reference signal adjusting circuit configured to adjust a second reference signal on a basis of the second control signal.Type: GrantFiled: January 5, 2023Date of Patent: January 7, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Hoon Lee, Yong Lim
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Patent number: 11984907Abstract: An analog-to-digital converting circuit for converting an analog signal into a digital signal includes a plurality of reference voltage generators each generating a reference voltage, a plurality of reference voltage decoupling capacitors respectively corresponding to the reference voltage generators, and an analog-to-digital converter generating a comparison voltage based on the reference voltage and generating the digital signal corresponding to the analog signal based on a result of comparing the comparison voltage with the analog signal. At least one different combination of the reference voltage generators and the reference voltage decoupling capacitors is connected to the analog-to-digital converter in each of a plurality of conversion periods.Type: GrantFiled: December 29, 2021Date of Patent: May 14, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Yong Lim, Jaehoon Lee
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Patent number: 11804848Abstract: An analog-to-digital converter of successive approximation register (SAR) type includes a comparator, a SAR logic circuit, and a capacitor digital-to-analog converter. The capacitor digital-to-analog converter includes a plurality of drivers. Each driver includes a capacitor and a split inverter. A first capacitor node of the capacitor is connected to one of comparison input terminals. The split inverter includes a pull-up unit connected to a first reference voltage and a pull-down unit connected to a second reference voltage. The split inverter drives a second capacitor node of the capacitor by selectively turning on one of the pull-up unit and the pull-down unit. A first one of the pull-up unit and the pull-down unit includes a full transistor, and a second one of the pull-up unit and the pull-down unit includes a first split transistor and a second split transistor. A short current is reduced using the split inverter.Type: GrantFiled: March 28, 2022Date of Patent: October 31, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Jaehoon Lee, Yong Lim, Seunghyun Oh
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Publication number: 20230288948Abstract: A hybrid low drop-out (LDO) regulator is provided. The hybrid LDO regulator provides current to a load block, and includes: an analog LDO regulator configured to provide a first current corresponding to an average current consumed by the load block; and a digital LDO regulator configured to provide a second current corresponding to a peak current consumed by the load block based on information indicating the peak current is consumed.Type: ApplicationFiled: January 30, 2023Publication date: September 14, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaehoon Lee, Yelim Youn, Yong Lim
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Publication number: 20230231571Abstract: An analog-to-digital converter (ADC) includes a first comparator configured to generate a first comparison signal on a basis of a first asynchronous clock signal generated from a sampling clock signal, and a second comparator configured to generate a second comparison signal on a basis of a second asynchronous clock signal generated by a first comparison operation completion signal. The ADC includes a first control logic configured to output a first control signal on a basis of the first comparison signal and a second control logic configured to output a second control signal on a basis of the second comparison signal. The ADC includes a first reference signal adjusting circuit configured to adjust a first reference signal on a basis of the first control signal and a second reference signal adjusting circuit configured to adjust a second reference signal on a basis of the second control signal.Type: ApplicationFiled: January 5, 2023Publication date: July 20, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Jae Hoon LEE, Yong LIM
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Publication number: 20230223906Abstract: An amplifier and an electronic system including the same are provided. An amplifier includes a first NMOS transistor configured to receive a first input, a second NMOS transistor configured to receive a second input, the second NMOS transistor including a source connected to a source of the first NMOS transistor, a first resistor including a first end connected to a drain of the first NMOS transistor and a second end connected to a first output, a second resistor including a first end connected to a drain of the second NMOS transistor, and a second end connected to a second output, and the amplifier is configured to generate the first output and the second output based on the first input, the second input, a resistance value of the first resistor, and a resistance value of the second resistor.Type: ApplicationFiled: November 2, 2022Publication date: July 13, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Jae Hoon LEE, Yong LIM
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Publication number: 20230221747Abstract: A low dropout (LDO) regulator includes an operational amplifier connected to a capacitor receiving an input voltage through a first end and storing an offset voltage through a second end, a first transistor configured to control an electrical connection between the input voltage and the first end of the operational amplifier, a second transistor configured to control an electrical connection between the first end of the operational amplifier and a first node, a third transistor configured to control an electrical connection between an output end of the operational amplifier and a second node, and a fourth transistor configured to control an electrical connection between a second end of the operational amplifier and the output end of the operational amplifier.Type: ApplicationFiled: January 3, 2023Publication date: July 13, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Jaehoon LEE, Yong LIM, Seunghyun OH
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Patent number: 11611315Abstract: A noise filtering circuit including: an amplifier which receives a reference bias through a first input terminal, generates an amplified output voltage and outputs the amplified output voltage through an output terminal, and receives an output voltage generated on the basis of the amplified output voltage through a second input terminal; a resistance component connected between the output terminal of the amplifier and the second input terminal; and a capacitor connected to the resistance component.Type: GrantFiled: February 11, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Mi Lee, Yong Lim, Chilun Lo
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Publication number: 20220407538Abstract: An analog-to-digital converter of successive approximation register (SAR) type includes a comparator, a SAR logic circuit, and a capacitor digital-to-analog converter. The capacitor digital-to-analog converter includes a plurality of drivers. Each driver includes a capacitor and a split inverter. A first capacitor node of the capacitor is connected to one of comparison input terminals. The split inverter includes a pull-up unit connected to a first reference voltage and a pull-down unit connected to a second reference voltage. The split inverter drives a second capacitor node of the capacitor by selectively turning on one of the pull-up unit and the pull-down unit. A first one of the pull-up unit and the pull-down unit includes a full transistor, and a second one of the pull-up unit and the pull-down unit includes a first split transistor and a second split transistor. A short current is reduced using the split inverter.Type: ApplicationFiled: March 28, 2022Publication date: December 22, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Jaehoon LEE, Yong LIM, Seunghyun OH
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Patent number: 11509298Abstract: A comparator configured to calibrate an offset according to a control signal, including an input circuit configured to receive a first input signal and a second input signal, and to generate a first internal signal corresponding to the first input signal and a second internal signal corresponding to the second input signal; a differential amplification circuit configured to consume a supply current flowing from a positive voltage node having a positive supply voltage to a negative voltage node having a negative supply voltage, and to generate an output signal by amplifying a difference between the first internal signal and the second internal signal; and a current valve configured to adjust at least a portion of the supply current based on the control signal.Type: GrantFiled: October 29, 2021Date of Patent: November 22, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaehoon Lee, Yong Lim, Wan Kim, Barosaim Sung, Seunghyun Oh
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Publication number: 20220239310Abstract: An analog-to-digital converting circuit for converting an analog signal into a digital signal includes a plurality of reference voltage generators each generating a reference voltage, a plurality of reference voltage decoupling capacitors respectively corresponding to the reference voltage generators, and an analog-to-digital converter generating a comparison voltage based on the reference voltage and generating the digital signal corresponding to the analog signal based on a result of comparing the comparison voltage with the analog signal. At least one different combination of the reference voltage generators and the reference voltage decoupling capacitors is connected to the analog-to-digital converter in each of a plurality of conversion periods.Type: ApplicationFiled: December 29, 2021Publication date: July 28, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Yong LIM, Jaehoon LEE
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Publication number: 20220052679Abstract: A comparator configured to calibrate an offset according to a control signal, including an input circuit configured to receive a first input signal and a second input signal, and to generate a first internal signal corresponding to the first input signal and a second internal signal corresponding to the second input signal; a differential amplification circuit configured to consume a supply current flowing from a positive voltage node having a positive supply voltage to a negative voltage node having a negative supply voltage, and to generate an output signal by amplifying a difference between the first internal signal and the second internal signal; and a current valve configured to adjust at least a portion of the supply current based on the control signal.Type: ApplicationFiled: October 29, 2021Publication date: February 17, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaehoon LEE, Yong LIM, Wan KIM, Barosaim SUNG, Seunghyun OH
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Patent number: 11183997Abstract: A comparator configured to calibrate an offset according to a control signal, including an input circuit configured to receive a first input signal and a second input signal, and to generate a first internal signal corresponding to the first input signal and a second internal signal corresponding to the second input signal; a differential amplification circuit configured to consume a supply current flowing from a positive voltage node having a positive supply voltage to a negative voltage node having a negative supply voltage, and to generate an output signal by amplifying a difference between the first internal signal and the second internal signal; and a current valve configured to adjust at least a portion of the supply current based on the control signal.Type: GrantFiled: April 22, 2020Date of Patent: November 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaehoon Lee, Yong Lim, Wan Kim, Barosaim Sung, Seunghyun Oh