Xiaoqun Liu

Person

Chandler, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Two-dimensional high-speed equalizer with programmable direct curre...
- Patent number 12,068,893
- Issue date Aug 20, 2024
- NXP USA, INC.
- Xueyang Geng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Level-shifter
- Patent number 11,863,181
- Issue date Jan 2, 2024
- NXP USA, INC.
- Xu Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal driver circuit
- Patent number 11,846,957
- Issue date Dec 19, 2023
- NXP USA, INC.
- Xiaoqun Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential-signal-detection circuit
- Patent number 11,747,372
- Issue date Sep 5, 2023
- NXP USA, INC.
- Xiaoqun Liu
- G01 - MEASURING TESTING
Information Patent Grant
Skew detection system and method to remove unwanted noise due to sk...
- Patent number 11,573,268
- Issue date Feb 7, 2023
- NXP USA, Inc.
- Siamak Delshadpour
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable ask demodulator
- Patent number 11,533,053
- Issue date Dec 20, 2022
- NXP B.V.
- Siamak Delshadpour
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Parallel low dropout regulator
- Patent number 11,422,578
- Issue date Aug 23, 2022
- NXP B.V.
- Xiaoqun Liu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Deglitch circuit for a differential-signal-detection circuit
- Patent number 11,368,145
- Issue date Jun 21, 2022
- NXP USA, INC.
- Xiaoqun Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Over-voltage tolerant analog test bus
- Patent number 11,038,345
- Issue date Jun 15, 2021
- NXP B.V.
- Siamak Delshadpour
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overvoltage protection device and a method for operating an overvol...
- Patent number 11,031,776
- Issue date Jun 8, 2021
- NXP B.V.
- Siamak Delshadpour
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power switch over current protection system
- Patent number 10,998,897
- Issue date May 4, 2021
- NXP B.V.
- Xiaoqun Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-stage charge pump regulation architecture
- Patent number 10,826,386
- Issue date Nov 3, 2020
- NXP B.V.
- Xiaoqun Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-stage charge pump with inter-stage limitation circuit
- Patent number 10,811,963
- Issue date Oct 20, 2020
- NXP B.V.
- Xiaoqun Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal detector
- Patent number 10,594,285
- Issue date Mar 17, 2020
- NXP B.V.
- Siamak Delshadpour
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Loss of signal detector with PVT compensation
- Patent number 10,432,432
- Issue date Oct 1, 2019
- NXP B.V.
- Xiaoqun Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current sensing with compensation for component variations
- Patent number 9,678,111
- Issue date Jun 13, 2017
- NXP B.V.
- Xiaoqun Liu
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
TWO-DIMENSIONAL HIGH-SPEED EQUALIZER WITH PROGRAMMABLE DIRECT CURRE...
- Publication number 20240223411
- Publication date Jul 4, 2024
- NXP USA, Inc.
- Xueyang Geng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMMUNICATIONS CIRCUIT
- Publication number 20240154919
- Publication date May 9, 2024
- NXP USA, Inc.
- Siamak Delshadpour
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIFFERENTIAL-SIGNAL-DETECTION CIRCUIT
- Publication number 20230103334
- Publication date Apr 6, 2023
- NXP USA, Inc.
- Xiaoqun Liu
- G01 - MEASURING TESTING
Information Patent Application
LEVEL-SHIFTER
- Publication number 20230090949
- Publication date Mar 23, 2023
- NXP USA, Inc.
- Xu Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROGRAMMABLE ASK DEMODULATOR
- Publication number 20220103174
- Publication date Mar 31, 2022
- NXP. B.V.
- Siamak DELSHADPOUR
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PARALLEL LOW DROPOUT REGULATOR
- Publication number 20210333812
- Publication date Oct 28, 2021
- NXP. B.V.
- Xiaoqun LIU
- G05 - CONTROLLING REGULATING
Information Patent Application
OVER-VOLTAGE TOLERANT ANALOG TEST BUS
- Publication number 20200313428
- Publication date Oct 1, 2020
- NXP B.V.
- Siamak Delshadpour
- G01 - MEASURING TESTING
Information Patent Application
OVERVOLTAGE PROTECTION DEVICE AND A METHOD FOR OPERATING AN OVERVOL...
- Publication number 20200153240
- Publication date May 14, 2020
- NXP B.V.
- Siamak Delshadpour
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-STAGE CHARGE PUMP WITH INTER-STAGE LIMITATION CIRCUIT
- Publication number 20200136503
- Publication date Apr 30, 2020
- NXP. B.V.
- Xiaoqun LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-STAGE CHARGE PUMP REGULATION ARCHITECTURE
- Publication number 20200136502
- Publication date Apr 30, 2020
- NXP. B.V.
- Xiaoqun LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SWITCH OVER CURRENT PROTECTION SYSTEM
- Publication number 20200136601
- Publication date Apr 30, 2020
- NXP B.V.
- Xiaoqun LIU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE CLAMP CIRUCIT FOR SURGE PROTECTION
- Publication number 20190020194
- Publication date Jan 17, 2019
- NXP. B.V.
- Xiaoqun LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT SENSING WITH COMPENSATION FOR COMPONENT VARIATIONS
- Publication number 20170102413
- Publication date Apr 13, 2017
- NXP B.V.
- Xiaoqun Liu
- G01 - MEASURING TESTING

Xiaoqun Liu

Person

Patents Grantslast 30 patents

Two-dimensional high-speed equalizer with programmable direct curre...

Level-shifter

Signal driver circuit

Differential-signal-detection circuit

Skew detection system and method to remove unwanted noise due to sk...

Programmable ask demodulator

Parallel low dropout regulator

Deglitch circuit for a differential-signal-detection circuit

Over-voltage tolerant analog test bus

Overvoltage protection device and a method for operating an overvol...

Power switch over current protection system

Multi-stage charge pump regulation architecture

Multi-stage charge pump with inter-stage limitation circuit

Signal detector

Loss of signal detector with PVT compensation

Current sensing with compensation for component variations

Patents Applicationslast 30 patents

TWO-DIMENSIONAL HIGH-SPEED EQUALIZER WITH PROGRAMMABLE DIRECT CURRE...

COMMUNICATIONS CIRCUIT

DIFFERENTIAL-SIGNAL-DETECTION CIRCUIT

LEVEL-SHIFTER

PROGRAMMABLE ASK DEMODULATOR

PARALLEL LOW DROPOUT REGULATOR

OVER-VOLTAGE TOLERANT ANALOG TEST BUS

OVERVOLTAGE PROTECTION DEVICE AND A METHOD FOR OPERATING AN OVERVOL...

MULTI-STAGE CHARGE PUMP WITH INTER-STAGE LIMITATION CIRCUIT

MULTI-STAGE CHARGE PUMP REGULATION ARCHITECTURE

POWER SWITCH OVER CURRENT PROTECTION SYSTEM

VOLTAGE CLAMP CIRUCIT FOR SURGE PROTECTION

CURRENT SENSING WITH COMPENSATION FOR COMPONENT VARIATIONS