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· GreatStar Technology Obtains Utility Model Patent Authorization: "Energy Storage Device"

Securities Star News: According to data from Qichacha, GreatStar (002444) has obtained a new utility model patent authorization, named "Energy Storage Device", with patent application number CN202322953521.6 and authorization date of May 24, 2024.Patent Abstract: This utility model discloses an energy storage device, which belongs to mobile power supply technology. Existing energy storage devices are inconvenient to repair and the energy parts are stacked and combined with each other. This utility model stacks various stacked modules up and down together, and the two adjacent stacked modules are horizontally positioned in grooves through protrusions, and electrically connected through the insertion of the first electrical plug interface and the second electrical plug interface. The protrusions and grooves are separately set on the bottom surface of the adjacent stacked upper stacked modules and the top surface of the lower stacked modules. When it is necessary to repair the control mo...
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05-27
2024
· JINGWEI HIRAIN has been granted a utility model patent for

Securities Star News: According to data from Qichacha, JINGWEI HIRAIN (688326) has recently obtained a utility model patent authorization, titled "High Edge Drive Circuit, Controller and Vehicle", with patent application number CN202322745290. X and authorization date of May 24, 2024.Patent Abstract: This utility model relates to the technical field of high edge drive circuits, and discloses high edge drive circuits, controllers, and vehicles. The high side driving circuit includes a driving module, a control module, and a protection module. The driving module is used to connect the first power supply and the load. The driving module includes a first switching device, which is used to power the load when the first switching device is in a conductive state; The control module is connected to the driver module, which is used to control the first switching device to conduct or turn off. The control module includes the second switching device, which is used to control the first switching...
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05-27
2024
· Melexis unveils MLX90418:cools servers with a code-free 1-coil fan driver

Tessenderlo, Belgium 23 May 2024 – Melexis unveils the MLX90418, an all-in-one 1-coil brushless DC (BLDC) fan driver. This IC solution is pioneering a code-free single-coil fan driver able to support server-specific functions such as power-loss braking and AC power-loss management. Targeting the ever-expanding server market, the MLX90418 represents a highly effective 1-coil solution that reduces Bill of Material (BoM) costs by up to 25% compared to existing three-phase BLDC fans.Melexis cools servers with a code-free 1-coil fan driverThe number of servers continues to increase to meet the demands for data storage and processing power, including cloud services and AI. This market has a growing need for dependable cooling solutions that fulfill the performance requirements at the right cost.Single-coil solutions are the standard for server cooling fans up to 15 W. For higher power fans either MCU-based 1-coil, or 3-phase solutions are considered. With the release of the MLX90418,...
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05-25
2024
· Honor Company applies for a switching power supply patent, which can effectively improve the EMC problem of power adapters

On November 29, 2023, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Honor Terminal Co., Ltd. applied for a project named "switching power supply, power adapter, charging system and charging method", with the publication number of CN117134593A, and the application date of March 2023.The patent abstract shows that the present embodiment provides a switching power supply, power adapter, charging system, and charging method, which can effectively improve the EMC problem of the power adapter. In the switching power supply, the first control signal is used to detect the voltage and current output of the switching power supply, and feedback the voltage and current to the second control module; The second control module is used to adjust the switching frequency of the switching tube based on voltage and current; The frequency detection module is used to detect the switching frequency and send the switching frequen...
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05-25
2024
· Anbao Technology has been granted a patent for a digital high-power charger efficiency improvement circuit

According to data from Qichacha, Huizhou Anbao Technology Co., Ltd has obtained a new invention patent authorization, titled "A Digital High Power Charger Efficiency Improvement Circuit". The patent application number is CN219086859U, and the authorization date is May 26, 2023.Patent abstract:This utility model discloses a digital high-power charger efficiency improvement circuit, which includes a rectification circuit PFC circuit, power supply circuit The LLC circuit, feedback circuit, and control circuit of the microcontroller input a voltage of 100-240VAC. After rectification, the power supply circuit provides a 15VDC voltage to the LDO stabilizing circuit and then stabilizes it to 5V for the microcontroller. The control circuit of the microcontroller detects the model provided by the feedback circuit and outputs different PWM to the half bridge LLC, thereby changing the pulse width of the driving signal controlling the LLC MOS and adjusting the voltage and current. And it is refle...
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05-25
2024

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