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The Ministry of Industry and Information Technology has summoned Tesla regarding the "reduced allocation door" incident and ordered Tesla (Shanghai) Co., Ltd. to immediately rectify in accordance with the relevant provisions of the "Management Measures for the Access of Road Motor Vehicle Production Enterprises and Products". On March 2nd, some Tesla owners discovered that their domestically produced Model 3 used HW2.5 chips instead of the HW3.0 chip indicated on the environmental information accompanying the vehicle list. Due to the fact that the former is a lower level component, from the perspective of consumers, this is a downgrade behavior. Therefore, these car owners have successively complained to Tesla's official and 315 platform, causing Tesla to fall into the "downgrade door". On March 5th, Tesla CEO Musk responded to the "downgrade door" on Twitter, saying, "The car owners who complained did not actually order FSD. Perhaps they don't know that if FSD is ordered after the vehicle is delivered, the onboard computer can also be upgraded for free. ”Musk's evasive response has caused dissatisfaction among many consumers. As the incident escalated, the Ministry of Industry and Information Technology finally issued a notice of interview on the 10th and ordered rectification. According to insider sources, after the announcement of the interview, it was revealed that users who order the domestic Model 3, whether or not they choose to install FSD, will enjoy HW3.0 hardware. For users who will currently receive HW2.5, Tesla will decide whether to deliver the car first and upgrade the chip or cancel the order according to the owner's wishes. The SM8S33CA power interface cannot be reduced!

1. Basic concepts of electromagnetic compatibility https://v.youku.com/v_show/id_XNDU1NTQzMzgyMA==.html?spm=a2h0k.11417342.soresults.dtitle 2.1 Basic Concepts of Electromagnetic Compatibility (Part 1) https://v.youku.com/v_show/id_XNDU1NTQ0MTMwOA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 23~A 2.2 Basic Concepts of Electromagnetic Compatibility (II) https://v.youku.com/v_show/id_XNDU1NTQ0NTUzMg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 24~A 3.1 Electromagnetic Compatibility Test Standards (ESD Electrostatic Test Standards) https://v.youku.com/v_show/id_XNDU1NTQ0OTYwMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 22~A 3.2 Electromagnetic Compatibility Test Standard (EFT Electric Fast Pulse) https://v.youku.com/v_show/id_XNDU1NTQ1Mzg4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 21~A 3.3 Electromagnetic Compatibility Test Standards (Surge Impulse Test) https://v.youku.com/v_show/id_XNDU1NTQ1NzY4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 19~A 3.4 Electromagnetic compatibility test standards (RF field induction and darkroom) https://v.youku.com/v_show/id_XNDU1NTQ2Mzg2MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 20~A 4.1 Principles and Selection of Common EMS Components (Varistor 1) https://v.youku.com/v_show/id_XNDU1NjMxMDMwNA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.1 Principles and Selection of Common EMS Components (Varistors II) https://v.youku.com/v_show/id_XNDU1NTQ3MDI3Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 18~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode I) https://v.youku.com/v_show/id_XNDU1NTQ3NTQyMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 19~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode II) https://v.youku.com/v_show/id_XNDU1NjM0MjEwMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode III) https://v.youku.com/v_show/id_XNDU1NjMyNDMwNA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.3 Principles and Selection of Common EMS Components (TSS Semiconductor Discharge Tube I) https://v.youku.com/v_show/id_XNDU1NTgzNjU0MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 18~A 4.4 Principles and Selection of Common EMS Components (GDT Gas Discharge Tube I) https://v.youku.com/v_show/id_XNDU1NTg0MDE2OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 17~A 4.4 Principles and Selection of Common EMS Components (GDT Gas Discharge Tube II) https://v.youku.com/v_show/id_XNDU1NTk2MjE2NA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 16~A 4.5 Principles and Selection of Common EMS Components (OVP Overvoltage Protection Module) https://v.youku.com/v_show/id_XNDU1NTk2ODg0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 15~A 4.6 Principles and Selection of Common EMS Components (NTC Thermistors) https://v.youku.com/v_show/id_XNDU1NjMxNDg0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 3~A 4.7 Principles and Selection of Common EMS Components (PPTC Self Recovering Fuse I) https://v.youku.com/v_show/id_XNDU1NTk3NDk1Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 13~A 4.7 Principles and Selection of Common EMS Components (PPTC Self Recovering Fuse II) https://v.youku.com/v_show/id_XNDU1NTk3OTkyMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 14~A 5.1 EMS Surge Protection Circuit Recommendations (Part 1) https://v.youku.com/v_show/id_XNDU1NTk4Mzg1Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 12~A 5.1 EMS Surge Protection Circuit Recommendations (II) https://v.youku.com/v_show/id_XNDU1NTk4OTM0MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 11~A 5.1 EMS Surge Protection Circuit Recommendations (III) https://v.youku.com/v_show/id_XNDU1NTk5Nzg4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 11~A 5.2 EMS Surge Protection Circuit Recommendations (Part 1) https://v.youku.com/v_show/id_XNDU1NjM1NTA2OA==.html 5.2 EMS Surge Protection Circuit Recommendations (II) https://v.youku.com/v_show/id_XNDU1NjM1NTA2OA==.html?spm=a2hcb.12675304.uerCenter.5 !2~5~5! 2~DL~DD~A&firsttime=222 5.3 ESD electrostatic protection circuit recommendation https://v.youku.com/v_show/id_XNDU1NjAwODg3Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 9~A 5.4 Precautions for ESD Electrostatic Protection Circuit Design (Part 1) https://v.youku.com/v_show/id_XNDU1NjAxMTgzNg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 9~A 5.4 Precautions for ESD Electrostatic Protection Circuit Design (II) https://v.youku.com/v_show/id_XNDU1NjAyMTA2MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 8~A 5.5 Precautions for the Design of EFT Group Pulse Electrical Protection Circuit (Part 1) https://v.youku.com/v_show/id_XNDU1NjAyNTA0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 8~A 5.5 Precautions for the Design of EFT Group Pulse Electrical Protection Circuit (II) https://v.youku.com/v_show/id_XNDU1NjAzMjAzNg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 7~A Summary (EMC Electromagnetic Compatibility) https://v.youku.com/v_show/id_XNDU1NjAzOTM5Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 6~A

In a peaceful era, there is no gunpowder, but a battlefield without gunpowder also tests everyone and every responsible enterprise. Faced with urgent, difficult, dangerous and heavy tasks, they must be able to stand up and shoulder their responsibilities.

During the Chinese New Year, we would like to express our gratitude to our customers, friends, and family who have shown concern and support for our work! Wishing everyone good health and a happy family in the new year!

After three years of research and development, preparation, testing, and evaluation, our company has developed high-quality Schottky, low VF, and high stability junction temperature products; It has been officially launched on the market, and the situation is as follows: Main products: 30V～600V PMR 45V ～300V TBR Main application markets: Power adapter toy TV board LCD TV Set top box display Mobile phone charger for electric vehicles Induction cooker HID xenon lamp UPS inverter audio amplifier Advertising power supply LED lighting Excellent performance, welcome inquiries from users! The total power consumption of Schottky in the system depends on whether the VF and IR have reached the optimal trade off point Ptot=(VF*IF*tON)+(VR*IR*tOFF) For example, the 45W adapter can increase conversion efficiency by up to 1%, easily meeting the platinum requirements of the 80PLUS

Datang Microelectronics Technology Co., Ltd. www.dmt.com.cn Beijing China Electronics Huada Electronic Design Co., Ltd. www.hed.com.cn Beijing Tsinghua Tongfang Microelectronics Co., Ltd. www.tsinghuaic.com Beijing Automatic Testing Technology Research Institute www.bjtest.com.cn Beijing Huahong Integrated Circuit Design Co., Ltd.

According to the Korean Central Daily, Samsung Electro-Mechanics announced at the board meeting on December 12 that it would liquidate its Kunshan company in China, officially exiting the smartphone motherboard (HDI) business. It is understood that Kunshan Samsung Electro-Mechanics was registered and established in 2009, officially starting HDI mass production in June 2010, becoming the main production base for Samsung Electro-Mechanics' HDI. Since October this year, Samsung has transferred HDI equipment from the Busan factory to Vietnam. After moving to Vietnam, it only produces after-sales related products, gradually reducing scale until exit. Analysis believes that Samsung Electro-Mechanics decided to exit the HDI business due to the low-price strategy of Chinese manufacturers...

Korean media reported that the world's largest photoresist manufacturer, Japan's JSR, plans to establish an ArF photoresist production line in Cheongju, Korea, to supply Samsung Electronics. Japanese JSR is the world's largest photoresist manufacturer, accounting for 24% of the global market share. Due to Japan's export control policies, the Korean semiconductor industry, especially Samsung Electronics, is striving to promote the localization of semiconductor raw materials and diversify and stabilize supply. Naturally, JSR is unwilling to lose this huge market, so it promotes establishing production lines locally in Korea to circumvent export restrictions. ArF lithography is the main method for memory device production, photoresist...

ADAS (Advanced Driving Assistant System) refers to advanced driving assistance systems Yinte Electronics has a professional solution for automotive grade SM8S33A and SM8S36A at the power input end