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公开(公告)号：US11979082B2
公开(公告)日：2024-05-07
申请号：US17708045
申请日：2022-03-30
发明人： Connie Jiang
摘要： One example includes a power supply system. The system includes a power switch configured to activate via a control voltage responsive to a first state of an activation signal to conduct current from a power rail to a switching terminal. The system further includes a power switch deactivation driver configured to control an amplitude of the control voltage responsive to a second state of the activation signal based on a voltage difference between the power rail and the switching terminal to provide for a variable rate of deactivation of the power switch.
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公开(公告)号：US20240146189A1
公开(公告)日：2024-05-02
申请号：US18549433
申请日：2022-03-28
发明人： Makoto HATTORI , Koichi YAMANOUE
CPC分类号： H02M3/155 , B60L53/20 , B60L2210/12 , H02M1/0054
摘要： A configuration that converts power from high voltage to low voltage by selectively connecting a predetermined storage element group to a low voltage electrical load from a high voltage power supply formed by connecting storage elements in series. In this configuration, the number of storage elements is set such that the voltage of each storage element group is slightly higher than the rated operating voltage of the low voltage electrical load means when the voltage of the storage elements is at its lowest. Along with this, a rectifying means and a smoothing circuit composed of an inductor and a capacitor are provided on the output side of the switching means to control the ratio of ON time and OFF time (dead time) of the switching means. As a result, a stable low-voltage power supply is constructed without being affected by changes in the voltage (SOC) of the storage element.
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公开(公告)号：US20240143057A1
公开(公告)日：2024-05-02
申请号：US17973943
申请日：2022-10-26
申请人： Dell Products L.P.
发明人： James L. Petivan, III , Yun Guo , Isaac Q. Wang , Hang Li , Ronald Paul Rudiak , Justin Whittenberg
摘要： A voltage regulator system of an information handling system includes a Smart Power Stage (SPS) and a voltage regulator controller. The SPS includes a high-side transistor and a low-side transistor. The voltage regulator controller detects a normal power down of the information handling system and sets bleed state for the SPS to a first state. Based on the bleed state being set to the first state, the voltage regulator controller provides a first control voltage to the low-side transistor and a second control voltage to the high-side transistor. The first control voltage causes the low-side transistor to be fully turned on, and the second control voltage causes the high-side transistor to be in a linear region. In response to a predetermined amount of time expiring, the voltage regulator controller enters the SPS in an idle mode.
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公开(公告)号：US11967898B2
公开(公告)日：2024-04-23
申请号：US17569885
申请日：2022-01-06
发明人： Hung-Chieh Lin , Yi-Ping Hsieh , Jin-Zhong Huang , Hung-Yu Huang , Chih-Hsien Li , Ciao-Yin Pan
CPC分类号： H02M3/155 , H02M1/0058 , H02M3/158 , H02M7/53871 , H02M1/42 , H02M7/4815
摘要： A soft-switching power converter includes a main switch, an energy-releasing switch, and an inductive coupled unit. The main switch is a controllable switch. The energy-releasing switch is coupled to the main switch. The inductive coupled unit is coupled to the main switch and the energy-releasing switch. The inductive coupled unit includes a first inductance, a second inductance coupled to the first inductance, and an auxiliary switch unit. The auxiliary switch unit is coupled to the second inductance to form a closed loop. The main switch and the energy-releasing switch are alternately turned on and turned off. The auxiliary switch unit is controlled to start turning on before the main switch is turned on so as to provide at least one current path.
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公开(公告)号：US11962304B2
公开(公告)日：2024-04-16
申请号：US17707902
申请日：2022-03-29
IPC分类号： H03K3/57 , H02M1/088 , H02M1/15 , H02M3/155 , H02M3/158 , H02M3/337 , H02M11/00 , H03K3/36 , H03K3/53 , H03K17/16 , H03K17/56
CPC分类号： H03K3/57 , H02M3/1588 , H02M11/00 , H03K3/36 , H03K3/53 , H03K17/164 , H03K17/56 , H02M1/088 , H02M1/15 , H02M3/155 , H02M3/3378
摘要： Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
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公开(公告)号：US11949271B2
公开(公告)日：2024-04-02
申请号：US17916606
申请日：2021-04-06
申请人： LG INNOTEK CO., LTD.
发明人： Jae Sam Lee
IPC分类号： H02J7/00 , G01R19/165 , H02M1/00 , H02M3/155
CPC分类号： H02J7/00712 , G01R19/16552 , H02M1/0025 , H02M3/155
摘要： An embodiment of the present invention provides a load sharing control device included in each of multiple power supply devices connected to a load in parallel, the load sharing control device comprising: a first control unit for generating a first control signal which controls an output current of a power supply device, by using the output current of the power supply device and a current of a load share bus; and a second control unit for generating a second control signal which controls an output voltage of the power supply device, by using a target voltage of the power supply device, a feedback voltage received as feedback from the output voltage of the power supply device, and a control voltage according to the first control signal of the first control unit, wherein the first control unit generates the first control signal so that the output current is identical to the current of the load share bus, and limits the output current to a threshold current or less.
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公开(公告)号：US20240106326A1
公开(公告)日：2024-03-28
申请号：US18546068
申请日：2022-02-14
CPC分类号： H02M3/155 , H02M1/0009 , H02M1/327
摘要： In one embodiment, a boosting system includes a booster circuit. The booster circuit is configured to receive a direct current (DC) voltage input and to adjust the DC voltage input. The boosting system further includes a current sensing circuit coupled to the booster circuit and a first end of a power cable. The current sensing circuit is configured to measure a current at the first end of the power cable. The boosting system further includes one or more processors coupled to the booster circuit and the current sensing circuit. The one or more processors are configured to adjust an output of the booster circuit when the current sensing circuit indicates that the current at the first end of the power cable exceeds a first threshold. The first threshold is selected at least in part based on one or more safety standards of the power cable.
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公开(公告)号：US20240066301A1
公开(公告)日：2024-02-29
申请号：US18261286
申请日：2021-01-13
发明人： Mert KOC , Salar CHAMANIAN , Haluk KULAH
CPC分类号： A61N1/36125 , A61N1/36146 , A61N1/3787 , H02M3/155
摘要： A powering system for constant current neural stimulators provides adaptive supply voltage for neural stimulators to decrease power dissipation by taking advantage of varying voltage compliance of constant current stimulation. The powering system includes an adaptive voltage supply generator, a monitoring circuit, a charge pump, a step-down converter, and a rechargeable battery.
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公开(公告)号：US11915987B2
公开(公告)日：2024-02-27
申请号：US17415402
申请日：2019-12-04
申请人： AISIN CORPORATION
发明人： Takanobu Naruse
IPC分类号： H01L23/48 , H01L23/52 , H01L29/40 , H01L23/12 , H01L23/66 , H01L25/16 , H02M3/155 , H05K1/02 , H05K1/11 , H05K1/18
CPC分类号： H01L23/12 , H01L23/66 , H01L25/16 , H02M3/155 , H05K1/0231 , H05K1/115 , H05K1/181 , H05K2201/10015
摘要： A semiconductor device including a power supply circuit to supply power to a circuit formed on a main substrate equipped with a circuit module is made smaller in size. A semiconductor device includes: a circuit module including a module substrate and a circuit element mounted on the module substrate; and a main substrate on which the circuit module is mounted. The semiconductor device further includes a power supply circuit to supply power to at least a circuit formed on the module substrate. The power supply circuit includes: a voltage generating circuit to output a predetermined output voltage; a first capacitor; and a second capacitor larger in capacity than the first capacitor. The voltage generating circuit and the first capacitor are mounted on the module substrate. The second capacitor is mounted on the main substrate.
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30.发明公开公开(公告)号：US20240055985A1
公开(公告)日：2024-02-15
申请号：US18448798
申请日：2023-08-11
发明人： Yuetian Wang
摘要： Embodiments of this disclosure provide an active current limiting circuit, a power supply device, a power supply system and a control method, wherein at least one bidirectional switch in the active current limiting circuit is turned on or off based on the current sampling signal obtained by sampling the current in the bidirectional switch in the active current limiting circuit. With the active current limiting circuit, the inrush current generated in switching the power supply lines may be efficiently reduced, power consumption may be lowered, output of large power may be provided, the capacitor may be charged and sufficient power output may be provided to the load. And furthermore, the bidirectional switch in the active current limiting circuit may be flexibly controlled based on the current sampling signal, thereby improving operating efficiency of the active current limiting circuit.
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