239 patents
Page 11 of 12
Utility
Daisy-chain Battery Cells System with Differential Communication Interfaces
17 Jun 20
A daisy-chain battery cells system having a plurality of differential communication interfaces {F(i), i=1, . . . , N} respectively coupled to a plurality of voltage measuring modules {S(i), i=1, . . . , N} for a plurality of battery cells {C(i), i=1, . . . , N}.
Min Xu, Kai Chen, Xiaohong Li
Filed: 10 Dec 19
Utility
Lateral Schottky Diode with High Breakdown Voltage Capability
10 Jun 20
A lateral diode with high breakdown voltage capability and a method for forming the lateral diode.
Yanjie Lian, Daping Fu
Filed: 9 Dec 19
Utility
Battery Charging Circuit, Control Circuit and Associated Control Method
10 Jun 20
A battery charging circuit providing a charging current to a battery via a charging transistor.
Junchang Chang
Filed: 5 Dec 19
Utility
Switched Tank Converter with Low Voltage Stress
10 Jun 20
A switched tank converter includes: a first conversion unit and a second conversion unit, each having a clamp capacitor coupled between a first terminal and a third terminal, a high side switch coupled between the first terminal and a switch node, a low side switch coupled between the switch node and a second terminal, and a resonant tank coupled between the switch node and a fourth terminal; and a rectification unit having four rectification switches, wherein a second terminal of the first rectification switch and a first terminal of the third rectification switch are coupled to the fourth terminals of the first and second conversion units, a second terminal of the fourth rectification switch and a first terminal of the second rectification switch are coupled to the third terminals of the first and second conversion units.
Hao-Chien Cheng
Filed: 24 Nov 19
Utility
Controller and Control Method Used In Switched Tank Converter
10 Jun 20
A control method used in a switched tank converter with a first conversion unit, a second conversion unit and a rectification unit, includes: based on current flowing through the resonant tanks in the first and second conversion units, determining when to turn on the high side switches of the first and second conversion units, and when to turn on the low side switches of the first and second conversion units; detecting whether current flowing through the first, second, third and fourth rectification switches crosses zero; and based on the detection result, respectively determining when to turn off the high side switch of the first conversion unit, when to turn off the high side switch of the second conversion unit, when to turn off the low side switch of the second conversion unit, and when to turn off the low side switch of the first conversion unit.
Hao-Chien Cheng
Filed: 24 Nov 19
Utility
Multiphase charging circuit with improved transient response and control method thereof
1 Jun 20
A multiphase charging circuit includes a first phase having a first switch and a second phase having a second switch to provide a system voltage for a system load, a control method of the multiphase charging circuit includes: generating a plurality of feedback control signals with generating each of feedback control signal based on a corresponding feedback signal, a ramp signal, a corresponding reference signal and a current flowing through the first phase; selecting one of the plurality of feedback control signals as a first enable signal; generating a first control signal of the first switch based on the first enable signal and a first time period control signal; generating a second enable signal by shifting a pre-determined phase difference to the first control signal; and generating a second control signal of the second switch based on the second enable signal and a second time period control signal.
Min Xu
Filed: 11 Dec 18
Utility
Circuit with reduced light load power dissipation and a method thereof
1 Jun 20
A feedback block used with an isolated switching converter, having: a variable resistance circuit receiving a resistance control signal and having an equivalent resistance in proportional to a duty cycle of the resistance control signal; and a resistance control circuit, configured to provide the resistance control signal based on a load of the isolated switching converter; wherein the duty cycle of the resistance control signal varies in response to the load of the isolated switching converter.
Wenbin Lu, Lei Miao
Filed: 7 Mar 19
Utility
DC-DC converter with droop regulation
1 Jun 20
A DC-DC converter with droop regulation for better transient performance.
Lijie Jiang, Xiaokang Wu, Binci Xu
Filed: 12 Dec 18
Utility
Switching power supply circuit with synchronous rectification and associated control method
1 Jun 20
A switching power supply circuit with synchronous rectifier has an energy storage component, a rectifier switch coupled to a secondary side of the energy storage component, and a secondary side control circuit.
Siran Wang
Filed: 18 Nov 18
Utility
Cot Controlled Multi-phase Converter and Control Circuit Thereof
27 May 20
A COT control circuit used for realizing current sharing in multi-phase DC-DC converter.
Tianzhu Zhang
Filed: 24 Nov 19
Utility
LDMOS device with a field plate contact metal layer with a sub-maximum size
25 May 20
An LDMOS device with a field plate contact having a field plate contact metal layer being positioned above the field plate contact.
Eric Braun, Joel McGregor, Jeesung Jung
Filed: 4 Sep 18
Utility
COT control circuit and associated DC-DC converter
25 May 20
A COT control circuit for DC-DC converter.
Lei Li
Filed: 5 Nov 17
Utility
Switching Power Supply Circuit with Synchronous Rectifier and Associated Control Circuit and Control Method
20 May 20
A switching power supply circuit has an energy storage component, a synchronous rectifier switch and a synchronous rectifier control circuit.
Hui Li, Siran Wang, Lei Miao
Filed: 17 Dec 19
Utility
Battery pack and discharge method for limiting an excessive discharge current
18 May 20
A battery management system (BMS) used in a battery pack, the battery pack has a discharging switch coupled between a battery and a load, and the load has a capacitor charged by the battery pack.
Paolo Baruzzi, Kai Chen
Filed: 1 Nov 18
Utility
System and Method for Standby Mode Operation of Power Management System
13 May 20
A power management system having: a core rail, configured to provide a core voltage to a core; a GT rail, configured to provide a GT voltage to a graphic terminal; and a VR thermal indicative pin, coupled to a core thermal indicative pin of the core; wherein the VR thermal indicative pin is pulled down for a preset time duration once the core rail is commanded to exit a PS4 state, or for a time duration beginning when the core rail is commanded to exit the PS4 state ending when the GT rail is commanded to exit the PS4 state.
Jeffrey Jull
Filed: 8 Nov 18
Utility
Symmetrical Power Stages for High Power Integrated Circuits
13 May 20
A circuit assembly for a power converter includes a substrate, power stage integrated circuit (IC) dies, and output inductors that connect switch nodes of the power stage IC dies to an output node of the power converter.
Jinghai ZHOU, Chia-Hsin CHANG
Filed: 15 Jan 20
Utility
Multi-phase converter and associated control circuit and control method for undershoot improvement
11 May 20
A multi-phase converter has a plurality of switching circuits coupled in parallel and a control circuit.
Xiaokang Wu, Lijie Jiang, Suhua Luo
Filed: 25 Jun 19
Utility
Current sampling circuit applied to a multi-mode circuit and associated control method
11 May 20
A multi-mode circuit has a first switch, a second switch, a third switch and a fourth switch.
Junyong Gong, Jian Zhang
Filed: 2 Dec 18
Utility
Ldmos Device with a Drain Contact Structure with Reduced Size
6 May 20
An LDMOS device with a plurality of drain contact structures.
Eric Braun, Joel McGregor, Jeesung Jung
Filed: 6 Nov 18
Utility
Battery Pack and Discharge Method for Limiting an Excessive Discharge Current
6 May 20
A battery management system (BMS) used in a battery pack, the battery pack has a discharging switch coupled between a battery and a load, and the load has a capacitor charged by the battery pack.
Paolo Baruzzi, Kai Chen
Filed: 1 Nov 18