公开(公告)号：US20180205237A1

公开(公告)日：2018-07-19

申请号：US15485575

申请日：2017-04-12

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo ,  Kuo-Hsien Lee

IPC: H02J7/00

CPC classification number: H02J7/0054 ,  H02J7/02 ,  H02J2007/006 ,  H02J2007/0062

Abstract: A two way charging-discharging circuit structure has a main system and a secondary system. When the main system is connected to the secondary system, the sequence for discharging the battery modules may be controlled, and the to-be-discharging battery module will not be charged. The battery modules of the main system and the secondary system may be charged simultaneously if the power of the power adapter is large enough.

公开(公告)号：US09804648B2

公开(公告)日：2017-10-31

申请号：US14287722

申请日：2014-05-27

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo ,  Ming-Chieh Lee ,  Wen-Lan Yu

IPC: G06F1/26 ,  G06F1/16

CPC classification number: G06F1/263 ,  G06F1/1632

Abstract: A dockable device and a power method thereof are provided. The dockable device includes a main device, a main device battery, a connector, a switch and a voltage down-converter. The connector may be coupled to a docking device. The switch, coupled to the main device battery, is configured to be closed to provide power to the main device from the main device battery. The voltage down-converter is configured to provide power with a backup voltage to the main device, wherein the backup voltage is less than a discharge voltage output by a fully discharged main device battery.

公开(公告)号：US11677248B2

公开(公告)日：2023-06-13

申请号：US17163725

申请日：2021-02-01

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo ,  Ming-Chieh Lee

IPC: H02J7/00 ,  G06F1/26 ,  H02J9/06 ,  H02J7/02

CPC classification number: H02J7/00308 ,  G06F1/263 ,  H02J7/0024 ,  H02J7/0031 ,  H02J9/061 ,  H02J7/0047 ,  H02J7/02 ,  H02J2207/30

Abstract: An electronic device selectively coupled to a first charger and/or a second charger includes a power supply interface, a first comparator, a second comparator, a controller, a first switch circuit, and a second switch circuit. The power supply interface receives a first input voltage and a second input voltage. The first comparator compares the first input voltage with a first reference voltage, so as to generate a first comparison voltage. The second comparator compares the second input voltage with a second reference voltage, so as to generate a second comparison voltage. The controller generates a first control voltage and a second control voltage according to the first comparison voltage and the second comparison voltage. The first switch circuit is selectively enabled or disabled according to the first control voltage. The second switch circuit is selectively enabled or disabled according to the second control voltage.

公开(公告)号：US10453498B2

公开(公告)日：2019-10-22

申请号：US15869558

申请日：2018-01-12

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo

IPC: H02M1/08 ,  G11C5/14 ,  G11C7/10 ,  G11C7/14 ,  G11C7/22 ,  H03K5/19 ,  H02M3/335 ,  H03K17/22 ,  H02M1/36 ,  H02M1/00 ,  H02M1/32

Abstract: A power reset circuit is provided. The power reset circuit has a first terminal coupled to a first power storage element and a second terminal coupled to a second power storage element and a load and includes a discharging control circuit and a switching control circuit. The discharging control circuit induces a short circuit between the second terminal and the ground terminal when a supply voltage at the second terminal is lower than a reset voltage to provide a first discharging path. The switching control circuit provides a conduction path between the first and second terminals when the supply voltage is higher than an end-of-discharging voltage lower than the reset voltage. During a period when the supply voltage is lower than the end-of-discharging voltage, the switching control circuit cuts off the conduction path and provides a second discharging path between the first terminal and the discharging control circuit.

公开(公告)号：US10447140B1

公开(公告)日：2019-10-15

申请号：US16105198

申请日：2018-08-20

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo

IPC: H03K17/00 ,  H02M1/08 ,  H03K17/687 ,  H02M3/04

Abstract: An enable circuit includes a first detection controller, a second detection controller, and an enable switch. The first detection controller has a first input terminal coupled to a first input terminal voltage and a first output terminal. The second detection controller has a second input terminal coupled to the first input terminal voltage and a second output terminal. The enable switch has a control terminal coupled to the second output terminal, a third input terminal coupled to a second input terminal voltage, and a third output terminal. When the first input terminal voltage is higher than the first setting voltage but lower than the second setting voltage, the enable circuit is coupled to ground by the second output terminal, thus the enable switch is turned on to output an enable signal from the third output terminal, wherein the enable signal is provided by a second input terminal voltage.

公开(公告)号：US10263444B2

公开(公告)日：2019-04-16

申请号：US15485575

申请日：2017-04-12

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo ,  Kuo-Hsien Lee

IPC: H02J7/00 ,  H02J7/02

Abstract: A two way charging-discharging circuit structure has a main system and a secondary system. When the main system is connected to the secondary system, the sequence for discharging the battery modules may be controlled, and the to-be-discharging battery module will not be charged. The battery modules of the main system and the secondary system may be charged simultaneously if the power of the power adapter is large enough.

公开(公告)号：US12149234B2

公开(公告)日：2024-11-19

申请号：US18308066

申请日：2023-04-27

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo

IPC: H03K17/16

Abstract: An electronic device includes a first switch circuit, a second switch circuit, and a mechanical switch. The first switch circuit is coupled to a control node. The first switch circuit is configured to generate a first control voltage. The second switch circuit is coupled to the control node. The second switch circuit is configured to generate a second control voltage. The mechanical switch is configured to selectively couple the control node to a ground voltage. When the first switch circuit is switched, the second control voltage is not affected. When the second switch circuit is switched, the first control voltage is not affected.

公开(公告)号：US10389152B2

公开(公告)日：2019-08-20

申请号：US15675963

申请日：2017-08-14

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo

IPC: H02J7/00 ,  G06F1/26 ,  G06F1/16 ,  H02J1/10

Abstract: An electronic device includes a main device and an expansion device with an auxiliary battery device. The main device includes a main battery device, a voltage-directing device, a switch device, a first soft-start device, and a comparison device. The voltage-directing device outputs, through an output terminal, the higher of the voltages at a first input terminal and a second input terminal. The first soft-start device is connected to the auxiliary battery device and outputs a voltage to the second input terminal when the main device is connected to the expansion device. The comparison device controls the switch device to enter an off-state when the voltage at the second input terminal is higher than a reference voltage, and controls the switch device to enter an on-state when the voltage at the second input terminal is not higher than the reference voltage.

公开(公告)号：US09941783B2

公开(公告)日：2018-04-10

申请号：US15151600

申请日：2016-05-11

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo ,  Ming-Chieh Lee

IPC: H02M1/36 ,  H02M1/32 ,  H02H9/00 ,  G06F1/26 ,  G06F1/16

CPC classification number: H02M1/36 ,  G06F1/1626 ,  G06F1/1632 ,  G06F1/26 ,  H02H9/00 ,  H02H9/004 ,  H02M1/32

Abstract: An electronic device is provided. The electronic device includes a power supply module, a system load, a soft start unit, a unidirectional conducting unit and a connector. The system load is electrically coupled with the power supply module. The soft start unit is electrically coupled with the system load and the power supply module. The unidirectional conducting unit is electrically coupled between the soft start unit and the power supply module, so as to prevent the energy from the power supply module from entering the soft start unit. The connector has a power input terminal. The power input terminal is electrically coupled with the soft start unit.

公开(公告)号：US11621634B1

公开(公告)日：2023-04-04

申请号：US17685841

申请日：2022-03-03

Applicant: Quanta Computer Inc.

Inventor： Hsin-Chih Kuo

IPC: H02M3/156

Abstract: An electronic device includes a hysteresis circuit, a voltage divider circuit, a control circuit, and a discharge resistor. The hysteresis circuit has a first threshold voltage and a second threshold voltage. The hysteresis circuit generates a hysteresis voltage according to an output voltage at an output node. The voltage divider circuit generates a divided voltage according to the output voltage and the hysteresis voltage. The control circuit has a reference voltage and monitors the divided voltage. If the divided voltage is lower than the reference voltage, the control circuit will use the discharge resistor to perform a discharging operation to the output voltage at the output node.