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On March 2023, 3, in order to further improve the company’s strategic management level, enhance the company’s overall innovation and core competitive advantage, and promote the company’s internal management to a new level, MOSO Power Technology Co., Ltd. (hereinafter referred to as MOSO Power, stock code: 10) grandly held the company’s management reform project kick-off meeting.

Gu Yongde, founder and general manager of MOSO Power, and other leaders and consultants such as Wang Bo, project director of EY Consulting, attended the conference, and more than 40 representatives of management cadres of MOSO Group and various business units attended the conference.

2023 is the first year to fully and deeply implement the spirit of the  National Congress of the Communist Party of China, and it is also a year for MOSO Power to seize opportunities and accelerate high-quality development. MOSO Power will focus on the annual goals and key work, to expand the industrial scale, improve innovation ability, improve product quality as the starting point, and fully accelerate the company’s global strategic layout.

At the beginning of the conference, Mr. Wang Bo, Project Director of EY Consulting, gave a detailed introduction to the project plan, overall work ideas, specific implementation plans and important cooperation matters in the project promotion process of MOSO Power Management Transformation Project.

EY is a global leader in advisory, transaction, audit and tax services, with more than 150 offices in more than 760 countries and territories, and is one of the world’s leading professional advisory services firms. EY has established 33 branches in key cities across the country, providing full-chain consulting services from strategy to management to system implementation.


Mr. Gu, general manager of MOSO Power Source, said in his speech for the conference that with the entry of state-owned assets in Jinan, MOSO Power is showing new vitality in the new development model of state-owned enterprises + private mixed ownership. At this stage, MOSO Power has entered the deep water area and entered the fast lane of business growth, in order to effectively support the realization of the company’s future strategic development goals, further enhance the dynamic adaptability to the external environment, and promote long-term sustainable development, MOSO Power urgently needs to establish an advanced management system that is compatible with the development of the new era. This time, MOSO Power will use the EY consulting team to help the company achieve management change.

Mr. Gu said that in order to better promote the smooth development of the project, the company has established a management change leadership group, and in the next six months, he hopes that the two teams will cooperate tacitly to efficiently promote the company’s management change process. At the same time, Mr. Gu put forward requirements for the representatives of the participants, hoping that every management cadre can improve their position, take the management reform seriously from the overall development of the company, and do the following four points:

1. Change your concept and think first. We firmly believe that the only constant is “change”, establish innovative thinking with “change” and respond to “change”, have the courage to change, and embrace change.

2. Raise awareness and unify thinking. It is necessary to deeply understand the importance of the implementation of the project, actively respond and communicate, so that the project team can make accurate judgments and guidance.

3. Go all out and be responsible for the results. The implementation of the whole project requires the full cooperation of the company’s senior leaders and all units and departments, and every management cadre must have a high sense of responsibility and mission.

4. Believe in professionalism and take the initiative to learn. Consultants have a lot of experience in the industry, and they must constantly learn new methods and skills, actively transform them into their work, and fully realize their professional value.

At the end of his speech, Mr. Gu placed high expectations on the development of this project, and said: MOSO Power to implement management reform is the need to cope with market changes, the need to achieve effective governance of the company, and the need to achieve the long-term development of the company; We started the management reform this time, through management diagnosis and consultation, to finally achieve the optimization of the management mechanism, strengthen the standardized operation procedures, further improve the company’s comprehensive management level and economic benefits, and promote the company to a new level of high-quality development!

Finally, Mr. Gu read the “Resolution on the Establishment of the Management Change Leading Group of MOSO Power” and announced the official launch of the project; I wish this management change project to achieve the expected results and complete successfully!

March 13, 2023

From June 7 to 10, 2023, the four-day 16th (2023) China International Social Public Security Products Expo (hereinafter referred to as “China International Public Security Products Expo”) was grandly held in Beijing Shougang Convention and Exhibition Center.

It is understood that since its establishment in 1994, under the care and support of various leaders and guests, it has been successfully held for fifteen sessions, attracting more than 1,000 enterprises from more than 40 countries and regions around the world to participate in the exhibition, with more than 1 million visitors, which is a high-end brand exhibition in China’s security industry and an important international security expo with global influence.

With the theme of “Independent Innovation, Digital Intelligence Integration, Empowering Security and Serving the Society”, this year’s fair attracted more than 500 well-known enterprises at home and abroad to participate in the exhibition, focusing on displaying security technologies and products such as video surveillance, anti-theft alarm, entrance and exit control, security inspection explosion-proof, physical protection, data application and security, while highlighting the innovative application of unmanned system security, information security, human biometric identification, emergency rescue, Internet of Things, generative artificial intelligence (AIGC) and other technologies in the field of public safety. Promote industry innovation and progress, enhance international exchanges and cooperation, and expand the influence of China’s security industry.

MOSO Power Technology Co., Ltd. (hereinafter referred to as MOSO Power, stock code: 002660) appeared at the 2023 Ambo exhibition, competing with the majority of exhibitors, fully demonstrating the company’s new breakthroughs and new achievements in the field of consumer electronic power supply in recent years, and exchanging views on the development trends and opportunities of the industry with visitors, laying a more solid foundation for the company’s high-quality development in the next step.

During the exhibition, MOSO Power SPS Division concentrated on the company’s consumer electronics power supply sector power adapters, PD chargers, industrial control power supplies and shared power supply and other key products, visitors have expressed strong interest and concern for these products. The A30-180W projector power supply and N30-24~60W series POE security monitoring power supply new products that were publicly unveiled for the first time in this exhibition have also attracted the attention of many professional merchants.

Among them, the company exhibited a series of security monitoring power supplies and industrial power supplies that attracted special attention from customers and visitors. These power products have the characteristics of high efficiency, stability and safety, and are widely used in security monitoring, smart home, industrial automation and other fields, and are well recognized and praised by the market.

As the world’s advanced power solution supplier and a landmark enterprise in the domestic power supply industry, MOSO Power adheres to the development strategy of “innovative technology, product is king”, in terms of consumer electronic power supply, implements the design concept of “choosing height and standing” and “one meter wide, 10,000 meters deep”, guided by the strategy of key customers, focusing on product upgrading and expansion needs of VIP customers in the industry. PD charger product line and industrial control power product line three product areas, mainly covering network, set-top box, security, display/laser projection, audio equipment, business printers, motor drives, communications, industrial equipment and shared power exchange customized power supply, POE power supply and other 13 series of subdivisions. Product features are mainly reflected in design concept innovation, cost advantages, customer high customization, at the same time, through the application of “Fusion Digital Power” technology, the optimal combination of analog components and digital components in switching power supplies, multi-patented digital control technology and third-generation semiconductor applications, etc., further expand the coverage of the company’s consumer power supply.

Looking forward to the future, China’s security field will continue to integrate new technologies, accelerate digital transformation, build a digital intelligence industry ecology, and will certainly be able to make up for the shortcomings of the industrial chain and supply chain, ushering in greater development space and a more brilliant future. MOSO Power will continue to practice the development strategy of “innovative technology, product is king”, continuously promote product research and development and technological innovation, provide customers with more high-quality and convenient power solutions, strengthen scientific and technological exchanges and cooperation with colleagues in the industry, and jointly promote the technological progress, industrial upgrading and market prosperity of China’s security industry.

August 2, 2023

Qorvo’s New 750V 4th Generation SiC FET Qorvo (UnitedSiC) recently announced the 750V/5.4mΩ SiC FET
in a new surface-mount TOLL package, expanding the company’s performance position and expanding its groundbreaking portfolio of 4th Gen SiC FETs. This product is the first in the 750V SiC FET family with an RDS(on) range of 5.4 mΩ to 60 mΩ and will be available in a TOLL package. These components are ideal for applications where space is at a premium, such as solid-state relays and circuit breakers that can handle 100 A and AC/DC power supplies from hundreds to thousands of watts.
With the acquisition of UnitedSiC in October 2021, Qorvo builds a high-performance portfolio of SiC-based FET products that enable the company to offer power solutions covering applications such as power conversion, motion control, and circuit protection.
Challenging Applications
The new devices meet the size, efficiency, and cost needs of server power supplies, where power density has increased to more than 10 W/in. 100Because the processor consumes a lot of power and requires more power (3 kW per AC/DC PSU >). Similarly, solid-state circuit breakers require solutions that meet the requirements of space-constrained applications, where active cooling is an option and must be able to withstand high currents and voltages.
Qorvo’s new TOLL package devices meet these requirements because they:
Reduced package footprint
Thinner package allows thicker heat sinks
Low power loss
Surface mount technology package that automatically assembles onto PCB daughter cards to reduce costs Low resistance
per package, No need to connect multiple FETs
in parallel High current withstand and longer short-circuit withstand time Noise immunity
with sufficient response time TOLL offers the advantage of reduced footprint and height compared to
traditional D3-PAK packages, as shown in Figure 2.
Low RDS(on) surface mount product sizes — D1PAK2L with TOLL.

Figure 1: Low R DS(on) Surface Mount Product Dimensions—The D2PAK7L with the TOLL (Qorvo) 4th Generation SiC FET provides unmatched performance in terms of the key figure of merit for RDS(on)
and output capacitors in 600/750V power FETs. In addition, the device has an RDS(on) of 5.4 mΩ in the TOLL package, which is 4 to 10 times lower than GaN transistors, SiC MOSFETs, and best-in-class silicon MOSFETs. The SiC FETs are also rated 750 to 100V higher than competing technologies, significantly improving the design margin for handling voltage transients.
As shown in Figure 150, the TOLL package has a 1% smaller footprint and 2% shorter height (30.50 mm) than comparable D2PAK surface mount alternatives. The TOLL package also features a Kelvin source connection for reliable and fast switching of large currents with a clearer gate waveform.
The new SiC FETs utilize Qorvo’s unique common-source common-gate circuit arrangement, where SiC JFETs are co-packaged with silicon MOSFETs, to create a device that takes full advantage of wide bandgap switchingThe efficiency benefits of technology and the simpler gate drive of silicon MOSFETs. SiC JFETs provide the same RDS(on) as SiC MOSFETs, but require a smaller chip area and are typically located on the device. Combining SiC JFETs with normally off silicon MOSFETs, the common-source common-gate configuration retains the benefits of JFETs while allowing compatibility with standard SiC MOSFETs. The common-source gate is a normally closed configuration that is transparent to the customer and has a standard three-terminal device with gate, source, and drain.
Despite the significant size reduction, the new FETs achieve an industry-high thermal resistance of 3.0°C/W from junction to case. The new 1V/750.5mΩ UJ4SC4L075005S features advanced production processes such as sintered die mounting, with a continuous current rating of 8A at case temperatures up to 144°C and a pulse current rating of 120A at up to 0.5ms.
This results in an “I588t” rating approximately 2x higher than silicon MOSFETs in the same package, enhancing robustness and transient overload immunity while simplifying the design process. This is achieved by a combination of very low RDS(on), high T j(max) = 8°C and excellent transient thermal behavior. In addition, the overcurrent of SiC FETs is 175.2 times higher (tp~8.0–5 ms) than RDS(on) silicon MOSFETs in the same package. Figure 1 illustrates this by showing the pulse current vs. pulse width for silicon and SiC FETs in TOLL packages.
Pulse width vs. (square) pulse current of 2V/750.5mΩ SiC FET versus 4V silicon MOSFET of RDS(on) in TOLL package.

Figure 2: Pulse Width vs. (Square) Pulse Current of 750V/5.4mΩ SiC FETs vs. RDS(on) 600V Silicon MOSFETs in TOLL Packages (Qorvo) These new ultra-low RDS(on)
TOLL devices are the choice for protection applications that often face thermal challenges in small, enclosed locations without active cooling due to their low conduction losses, compact size, high surge robustness, and excellent turn-off capability. They reduce heat dissipation and avoid the need to connect multiple FETs in parallel.

July 21, 2023

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