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公开(公告)号：US20180123459A1
公开(公告)日：2018-05-03
申请号：US15846519
申请日：2017-12-19
发明人： Junjie Li
IPC分类号： H02M3/158 , H02M3/157 , H03K17/687 , H03K17/693 , H02M1/084 , H02M1/00
CPC分类号： H02M3/158 , H02M1/084 , H02M1/0845 , H02M3/157 , H02M2001/0025 , H03K17/6874 , H03K17/693
摘要： A switching control circuit for controlling a multi-channel switching circuit can include: a logic control circuit that receives an external operation signal, and generates an enable signal, a trigger signal, and an order signal; a reference voltage regulation circuit that receives the enable signal, the trigger signal, the order signal, and a plurality of input voltage signals, and generates an adjustable reference voltage signal, where the reference voltage regulation circuit is also configured to select one of the plurality of input voltage signals based on the order signal; a feedback control circuit that receives the reference voltage signal, the plurality of input voltage signals, and the output voltage signal, and generates a feedback control signal; and a channel selection circuit that receives the order signal and the feedback control signal, and generates switching control signals to control switching operations of the multi-channel switching circuit.
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公开(公告)号：US20170271883A1
公开(公告)日：2017-09-21
申请号：US15451563
申请日：2017-03-07
发明人： Yongbin Cai , Junjie Li
IPC分类号： H02J4/00
CPC分类号： H02J4/00 , H02J1/102 , H02M3/157 , H02M3/158 , H02M2001/0003 , H03K17/6874 , H03K17/693
摘要： A switching control circuit for controlling a multi-channel switching circuit having switching circuits, input terminals coupled to input voltage signals, and an output terminal for providing an output voltage signal, can include: a logic control circuit configured to receive an external operation signal and a first single pulse signal, and to generate an enable signal, a trigger signal, and feedback control signals; a reference voltage regulation circuit configured to receive the enable signal, the trigger signal, and a maximum one of the input voltage signals, and to generate a reference voltage signal; and feedback circuits corresponding to the switching circuits, where the plurality of feedback circuits are configured to receive the feedback control signals, a minimum one of two input voltage signals that are participating in the switching operation, the reference voltage signal, and the output voltage signal, and to generate switching control signals for controlling the switching circuits.
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公开(公告)号：US10170991B2
公开(公告)日：2019-01-01
申请号：US15846519
申请日：2017-12-19
发明人： Junjie Li
IPC分类号： H02M3/158 , H02M3/157 , H03K17/687 , H03K17/693 , H02M1/084 , H02M1/00
摘要： A switching control circuit for controlling a multi-channel switching circuit can include: a logic control circuit that receives an external operation signal, and generates an enable signal, a trigger signal, and an order signal; a reference voltage regulation circuit that receives the enable signal, the trigger signal, the order signal, and a plurality of input voltage signals, and generates an adjustable reference voltage signal, where the reference voltage regulation circuit is also configured to select one of the plurality of input voltage signals based on the order signal; a feedback control circuit that receives the reference voltage signal, the plurality of input voltage signals, and the output voltage signal, and generates a feedback control signal; and a channel selection circuit that receives the order signal and the feedback control signal, and generates switching control signals to control switching operations of the multi-channel switching circuit.
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公开(公告)号：US10447044B2
公开(公告)日：2019-10-15
申请号：US15451563
申请日：2017-03-07
发明人： Yongbin Cai , Junjie Li
IPC分类号： H02J4/00 , H02M3/158 , H02M3/157 , H03K17/687 , H03K17/693 , H02J1/10 , H02M1/00
摘要： A switching control circuit for controlling a multi-channel switching circuit having switching circuits, input terminals coupled to input voltage signals, and an output terminal for providing an output voltage signal, can include: a logic control circuit configured to receive an external operation signal and a first single pulse signal, and to generate an enable signal, a trigger signal, and feedback control signals; a reference voltage regulation circuit configured to receive the enable signal, the trigger signal, and a maximum one of the input voltage signals, and to generate a reference voltage signal; and feedback circuits corresponding to the switching circuits, where the plurality of feedback circuits are configured to receive the feedback control signals, a minimum one of two input voltage signals that are participating in the switching operation, the reference voltage signal, and the output voltage signal, and to generate switching control signals for controlling the switching circuits.
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公开(公告)号：US10216211B2
公开(公告)日：2019-02-26
申请号：US15644371
申请日：2017-07-07
发明人： Yongbin Cai , Junjie Li
摘要： A method of controlling a voltage switch circuit can include: controlling an output voltage of the voltage switch circuit to be switched from a first voltage input to a first switch circuit to a second voltage input to a second switch circuit to be no larger than a smaller one of the first and second voltages before the second switch circuit starts conducting; switching the output voltage to the second voltage when the second switch circuit starts conducting, where outputs of the first and second switch circuits are coupled together to provide the output voltage; and controlling the first switch circuit to turn off after the second switch circuit conducts and when the output voltage is no larger than the smaller one of the first and second voltages.
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公开(公告)号：US09882486B2
公开(公告)日：2018-01-30
申请号：US15446133
申请日：2017-03-01
发明人： Junjie Li
CPC分类号： H02M3/158 , H02M1/084 , H02M1/0845 , H02M3/157 , H02M2001/0025 , H03K17/6874 , H03K17/693
摘要： A switching control circuit for controlling a multi-channel switching circuit can include: a logic control circuit that receives an external operation signal, and generates an enable signal, a trigger signal, and an order signal; a reference voltage regulation circuit that receives the enable signal, the trigger signal, the order signal, and a plurality of input voltage signals, and generates an adjustable reference voltage signal, where the reference voltage regulation circuit is also configured to select one of the plurality of input voltage signals based on the order signal; a feedback control circuit that receives the reference voltage signal, the plurality of input voltage signals, and the output voltage signal, and generates a feedback control signal; and a channel selection circuit that receives the order signal and the feedback control signal, and generates switching control signals to control switching operations of the multi-channel switching circuit.
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公开(公告)号：US20180019673A1
公开(公告)日：2018-01-18
申请号：US15644371
申请日：2017-07-07
发明人： Yongbin Cai , Junjie Li
CPC分类号： G05F1/59 , H02J1/00 , H02J2001/008 , H02M1/088 , H02M3/158 , H02M3/1584 , H02M2001/0045
摘要： A method of controlling a voltage switch circuit can include: controlling an output voltage of the voltage switch circuit to be switched from a first voltage input to a first switch circuit to a second voltage input to a second switch circuit to be no larger than a smaller one of the first and second voltages before the second switch circuit starts conducting; switching the output voltage to the second voltage when the second switch circuit starts conducting, where outputs of the first and second switch circuits are coupled together to provide the output voltage; and controlling the first switch circuit to turn off after the second switch circuit conducts and when the output voltage is no larger than the smaller one of the first and second voltages.
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公开(公告)号：US10897139B2
公开(公告)日：2021-01-19
申请号：US16549023
申请日：2019-08-23
发明人： Yongbin Cai , Junjie Li
IPC分类号： H02J4/00 , H02M3/158 , H02M3/157 , H03K17/687 , H03K17/693 , H02J1/10 , H02M1/00
摘要： A switching control circuit for controlling a multi-channel switching circuit having switching circuits, input terminals coupled to input voltage signals, and an output terminal for providing an output voltage signal, can include: a logic control circuit configured to receive an external operation signal and a first single pulse signal, and to generate an enable signal, a trigger signal, and feedback control signals; a reference voltage regulation circuit configured to receive the enable signal, the trigger signal, and a maximum one of the input voltage signals, and to generate a reference voltage signal; and feedback circuits corresponding to the switching circuits, where the plurality of feedback circuits are configured to receive the feedback control signals, a minimum one of two input voltage signals that are participating in the switching operation, the reference voltage signal, and the output voltage signal, and to generate switching control signals for controlling the switching circuits.
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公开(公告)号：US20170264198A1
公开(公告)日：2017-09-14
申请号：US15446133
申请日：2017-03-01
发明人： Junjie Li
CPC分类号： H02M3/158 , H02M1/084 , H02M1/0845 , H02M3/157 , H02M2001/0025 , H03K17/6874 , H03K17/693
摘要： A switching control circuit for controlling a multi-channel switching circuit can include: a logic control circuit that receives an external operation signal, and generates an enable signal, a trigger signal, and an order signal; a reference voltage regulation circuit that receives the enable signal, the trigger signal, the order signal, and a plurality of input voltage signals, and generates an adjustable reference voltage signal, where the reference voltage regulation circuit is also configured to select one of the plurality of input voltage signals based on the order signal; a feedback control circuit that receives the reference voltage signal, the plurality of input voltage signals, and the output voltage signal, and generates a feedback control signal; and a channel selection circuit that receives the order signal and the feedback control signal, and generates switching control signals to control switching operations of the multi-channel switching circuit.
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