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公开(公告)号：US20170351281A1
公开(公告)日：2017-12-07
申请号：US15685197
申请日：2017-08-24
Applicant: RICHTEK TECHNOLOGY CORPORATION
Inventor： Kuo-Chi LIU , Wei-Hsin WEI
CPC classification number: G05F1/46 , H02J7/025 , H02M1/4225 , H02M3/06 , H02M3/156 , H02M3/158 , H02M3/1588 , H02M7/06 , H02M2001/0054 , H03H7/38
Abstract: A tunable DC voltage generating circuit includes: a resonance circuit including an inductor and an input capacitor coupled in a series connection, and arranged to operably receive an input signal and to operably generate a resonance signal at an output node between the inductor and the input capacitor; a rectifying circuit arranged to operably rectify the resonance signal; a current control unit, coupled with an output of the rectifying circuit, and coupled with the inductor or the input capacitor in a parallel connection; a stabilizing capacitor, coupled with the output of the rectifying circuit, arranged to operably provide a DC output signal having a voltage level greater than that of the input signal; and a control circuit arranged to operably adjust a current passing through the current control unit according to a setting signal to thereby manipulate the DC output signal.
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公开(公告)号：US20170237341A1
公开(公告)日：2017-08-17
申请号：US15587154
申请日：2017-05-04
Applicant: Richtek Technology Corporation
Inventor： Kuo-Chi LIU , Wei-Hsin WEI
CPC classification number: G05F1/46 , H02J7/025 , H02M1/4225 , H02M3/06 , H02M3/156 , H02M3/158 , H02M3/1588 , H02M7/06 , H02M2001/0054 , H03H7/38
Abstract: A tunable DC voltage generating circuit includes: a resonance circuit including an inductor and an input capacitor coupled in a series connection, and arranged to operably receive an input signal and to operably generate a resonance signal at an output node between the inductor and the input capacitor; a rectifying circuit coupled with the output node and arranged to operably rectify the resonance signal; a current control unit coupled with an input of the rectifying circuit and coupled with the inductor or the input capacitor in a parallel connection; a stabilizing capacitor coupled with an output of the rectifying circuit and arranged to operably provide a DC output signal having a voltage level greater than that of the input signal; and a control circuit arranged to operably adjust a current passing through the current control unit according to a setting signal to thereby manipulate the DC output signal.
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公开(公告)号：US20170227974A1
公开(公告)日：2017-08-10
申请号：US15284755
申请日：2016-10-04
Applicant: Richtek Technology Corporation
Inventor： Kuo-Chi LIU , Wei-Hsin WEI
IPC: G05F1/46
CPC classification number: G05F1/46 , H02J7/025 , H02M1/4225 , H02M3/06 , H02M3/156 , H02M3/158 , H02M3/1588 , H02M7/06 , H02M2001/0054 , H03H7/38
Abstract: A tunable DC voltage generating circuit includes: a resonance circuit including an inductor and an input capacitor connected in series configuration, and arranged to operably receive an input signal and generating a resonance signal at an output node between the inductor and the input capacitor; a rectifying circuit coupled with the output node and arranged to operably rectify the resonance signal; a current control unit connected with the resonance circuit in series configuration; a stabilizing capacitor coupled with an output terminal of the rectifying circuit and arranged to operably provide a DC output signal having a voltage level greater than that of the input signal; and a control circuit coupled with the output terminal of the rectifying circuit and the current control unit, and arranged to operably adjust a current passing through the current control unit to thereby change the DC output signal.
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