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· SGMICRO applies for patents on jitter frequency circuits and switching power supply circuits to reduce peak electromagnetic interference at fixed frequencies

On June 4, 2024, according to Tianyancha's intellectual property information, SGMICRO has applied for a patent titled "A TikTok Circuit and a Switching Power Supply Circuit", with publication number CN202410324415.8 and application date of March 2024.LOGO OF SGMICROThe patent abstract shows that the jitter frequency circuit and switching power supply circuit provided in this disclosed embodiment include: a triangular voltage generation module, a target clock signal generation module, and a first capacitor. The target clock signal generation module includes a second capacitor, with the first end of the first capacitor electrically connected to the first node and the second end of the second capacitor electrically connected to the second node; The triangle voltage generation module compares the voltage of the first node with the target reference voltage, and controls the charging and discharging of the first capacitor based on the relationship between the voltage of the first node and t...
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06-05
2024
· Infineon unveils roadmap for power supply units in AI data centers

Infineon Technologies AG of Munich, Germany has unveiled a roadmap of energy-efficient power supply units (PSU) specifically designed to address the current and future energy need of artificial intelligence AI data centers.By introducing what is described as unprecedented PSU performance classes, Infineon is enabling cloud data-center and AI server operators to reduce their energy consumption for system cooling. The PSUs reduce power consumption and CO2 emissions, resulting in lower lifetime operating costs. The powerful PSUs are not only used in future data centers but can also replace existing power supply units in servers and increase efficiency.In addition to the existing PSUs with an output of 3kW and 3.3kW available today, the new 8kW and 12kW PSUs should contribute to further increasing energy efficiency in future AI data centers. With the 12kW reference board, Infineon will offer what is reckoned to be the first power supply unit that achieves this level of performance and sup...
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06-04
2024
· WSZ Lead Form Allows Devices to Be Used as SMD Components to Reduce Assembly Costs

MALVERN, Pa. — May 29, 2024 — Vishay Intertechnology, Inc. (NYSE: VSH) today announced that 5 W devices in its AC and AC-AT series of cemented, axial-leaded wirewound resistors are now available with a pick and place friendly SMD lead bending option, the WSZ lead form, that allows the devices to be used as surface-mount components. Offering excellent pulse capability, the Vishay Draloric AC05 WSZ and AEC-Q200 qualified AC05-AT WSZ are also offered in a non-inductive version AC05-NI WSZ for fast switching circuits.AC05 WSZ, AC05-AT WSZResistors with the WSZ lead form can be assembled on the PCB alongside other surface-mount components to improve the pick and place process, reduce assembly times, and lower costs. The devices will serve as snubber and inrush current limiting resistors for pre-charge / discharge applications in automotive and industrial electronics, energy meters, and white goods power supplies. For these applications, the resistors offer peak power up to 5 kW...
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06-04
2024
· HONOTO has obtained patents for isolated driving circuits and switching power supplies, effectively improving the anti-interference ability of isolated driving circuits

On May 30, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Shenzhen HONOTO Electronics Co., Ltd. obtained an item entitled "Isolated Drive Circuit and Switching Power Supply", with the authorization announcement number of CN221042653U, and the application date of September 2023.The patent abstract shows that the present application discloses an isolated driving circuit and a switching power supply. The circuit includes: a switching circuit, connected in series between the input and output terminals of an isolated driving circuit; The detection control circuit includes a first control end, a first detection end, and a second detection end. The first control end is electrically connected to the second control end of the switch circuit, and the first detection end is electrically connected to the input end of the isolation drive circuit; The first filtering circuit includes a first end, a second end, and...
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06-04
2024
· Yongli Technology has obtained a patent for a switching power supply and its high-voltage discharge circuit, which can reduce the high voltage to below a safe voltage

On May 30, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Wuhan Yongli Technology Co., Ltd. had obtained a patent entitled "a switching power supply and its high-voltage discharge circuit", with the authorization announcement number of CN221042656U and the application date of September 2023.The patent abstract shows:This utility model discloses a switching power supply and a discharge circuit for its high-voltage output. The discharge circuit for the high-voltage output includes a discharge unit and a discharge control unit;The discharge unit has a series connected discharge switch tube and discharge resistor, which are connected between the positive end of the high-voltage output of the switching power supply and the grounding terminal;The discharge control unit comprises a transistor, whose base is connected to a preset power supply through a first resistor, and its collector is connected to the pre...
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06-03
2024

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