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公开(公告)号：US20240347114A1
公开(公告)日：2024-10-17
申请号：US18384927
申请日：2023-10-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dam YUN , Dongyeon KWAG , Dongwoo BAEK , Jehyung YOON , Sangik CHO , Dae-Hoon HAN
CPC classification number: G11C16/30 , H03F3/45475 , H03K17/56
Abstract: A parallel e-fuse device including: a first e-fuse to receive an input voltage and transfer a first fuse current to an output terminal; and a second e-fuse to receive the input voltage and transfer a second fuse current to the output terminal, the first e-fuse includes: a power transistor to control the first fuse current according to a gate voltage; a clamp amplifier to provide a charging current to charge a gate of the power transistor, the charging current being obtained by monitoring a feedback voltage; a balance amplifier to provide a first sinking current to discharge the gate of the power transistor, the first sinking current being obtained by comparing a current sensing signal with a current monitoring signal, wherein the clamp amplifier generates the charging current according to a differential voltage between the feedback voltage and a reference voltage.
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公开(公告)号：US20230283161A1
公开(公告)日：2023-09-07
申请号：US18298496
申请日：2023-04-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dam YUN , Haneul KIM , Dongwoo BAEK , Jehyung YOON , Sangik CHO
CPC classification number: H02M1/0025 , H02M1/0032 , H02M3/158 , G01R19/16538
Abstract: A voltage converter includes a converting circuit having an inductor connected to a switching node, a first switch element connected between the switching node and a ground voltage, and a second switch element connected between the switching node and an output node; and a switching control circuit configured to adjust a feedback voltage divided from an output voltage of the output node based on a current state of the inductor, and configured to generate switching control signals for charging the inductor with an input voltage and discharging a voltage charged in the inductor, based on a sensing signal based on a current of the inductor and the adjusted feedback voltage.
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公开(公告)号：US20240162802A1
公开(公告)日：2024-05-16
申请号：US18423671
申请日：2024-01-26
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dam YUN , Haneul KIM , Dongwoo BAEK , Jehyung YOON , Sangik CHO
CPC classification number: H02M1/0025 , H02M1/0032 , H02M3/158 , G01R19/16538
Abstract: A voltage converter includes a converting circuit having an inductor connected to a switching node, a first switch element connected between the switching node and a ground voltage, and a second switch element connected between the switching node and an output node; and a switching control circuit configured to adjust a feedback voltage divided from an output voltage of the output node based on a current state of the inductor, and configured to generate switching control signals for charging the inductor with an input voltage and discharging a voltage charged in the inductor, based on a sensing signal based on a current of the inductor and the adjusted feedback voltage.
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公开(公告)号：US20210242774A1
公开(公告)日：2021-08-05
申请号：US17016903
申请日：2020-09-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dam YUN , Haneul KIM , Dongwoo BAEK , Jehyung YOON , Sangik CHO
IPC: H02M3/158 , H02M1/15 , G01R19/165 , G01R19/175 , H03K5/24 , H03K4/48
Abstract: A voltage converter includes a converting circuit having an inductor connected to a switching node, a first switch element connected between the switching node and a ground voltage, and a second switch element connected between the switching node and an output node; and a switching control circuit configured to adjust a feedback voltage divided from an output voltage of the output node based on a current state of the inductor, and configured to generate switching control signals for charging the inductor with an input voltage and discharging a voltage charged in the inductor, based on a sensing signal based on a current of the inductor and the adjusted feedback voltage.
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