【Lansheng Technology Information】 Recently, Samsung Electronics announced that its latest automotive processor Exynos Auto V920 has been designated for Hyundai's next-generation In-Vehicle Infotainment project, and is expected to be officially put into use in 2025. This is a milestone cooperation between Samsung and Hyundai Motor, a world-renowned automobile brand, in the field of automotive semiconductors.

Samsung Exynos Auto V920 processor
Exynos Auto V920 is Samsung's third-generation automotive processor for in-vehicle infotainment systems. The V920 has been greatly upgraded in terms of CPU, graphics and AI performance. The V920 processor has built-in 10 latest Arm cores optimized for autonomous driving, and its processing performance is 1.7 times higher than that of the second-generation platform. With the excellent speed of LPDDR5 memory, V920 can support up to 6 high-resolution screens with multi-screen display, and up to 12 camera sensors concurrently. The V920 integrates an advanced GPU core, and the graphics processing speed is twice that of the second-generation platform. By applying the latest computing core, the performance of the intelligent neural processing unit (NPU) reaches 2.7 times that of the previous generation platform, therefore, the V920 supports more advanced driver monitoring functions. The V920 also ensures the robustness of the IVI system through built-in safety islands.

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Vitesco Technologies and ON Semiconductor recently announced a $1.9 billion 10-year supply agreement for silicon carbide products to enable Vitesco Technologies to advance in electrification technology. Vitesco Technologies, an international leading manufacturer of modern drive technology and electrification solutions, will provide ON Semiconductor with an investment of US$ 250 million to purchase new equipment for silicon carbide ingot growth, wafer production and epitaxy, so as to lock in carbonization in advance Silicon production capacity. These facilities will be used to produce SiC wafers to support Vitesco Technologies' growing SiC business needs. At the same time, as a leader in smart power and smart sensing technology, ON Semiconductor will continue to invest heavily in the end-to-end silicon carbide supply chain.

Hassane El-Khoury, President and CEO of ON Semiconductor, said: "This cooperation will help Vitesco Technology meet its customers' needs for longer range and higher performance in electric vehicles. ON Semiconductor provides excellent product performance and quality and supply Guaranteed, mass-manufactured SiC technology based on decades of experience in manufacturing power semiconductor products for numerous automotive applications."

Silicon carbide semiconductors are a key technology for electrification, enabling energy-efficient power electronics that shorten charging times and extend the range of electric vehicles. Especially at high voltage levels such as 800V, silicon carbide inverters can achieve higher energy efficiency than silicon devices. Since 800V is a prerequisite for fast and convenient high-voltage charging, silicon carbide devices are increasingly emerging worldwide.

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Micron Technology is preparing to receive about 200 billion yen in financial incentives from the Japanese government to help it produce next-generation memory chips in the country, according to information received by Lansheng Technology, the latest in Tokyo's efforts to boost domestic semiconductor production.

Micron will use the funds to install ASML Holding NV's advanced EUV chip-making equipment at its factory in Hiroshima to make DRAM chips. The funding is likely to be announced when Japanese Prime Minister Fumio Kishida meets a delegation of chip executives including Micron Chief Executive Officer Sanjay Mehrotra on Thursday.

Micron has invested more than $13 billion in Japan since 2013, including a push last year to produce so-called one-beta DRAM chips. The latest funding will help Micron produce what it calls one-gamma production, a more advanced technology Micron plans to launch by the end of 2024. Suppliers that will benefit from Micron's investment include Tokyo Electron Ltd. and ASML in the Netherlands.

Micron reported a loss of more than $2 billion in its latest quarter as it sold memory below its production cost due to an industry oversupply of memory chips this year. Micron management responded with what they called a historic quickness to cut pay, layoffs and production, and called on peers to follow suit. The second half of 2023 should prove a bottom for the DRAM market, especially if other companies also cut production, the company said.

The only U.S. company still in the memory chip business at scale is Western Digital, which doesn't make its own products but relies on partner Kioxia to make flash memory at factories in Japan. Micron has used its position as the sole U.S. memory maker to push Washington to subsidize the return of U.S. domestic manufacturing. Its executives have been taking the lead in lobbying the government.

Unlike rivals Samsung and SK Hynix, Micron has not shifted any of its wafer fabrication work to mainland China. Outside of its home country, Micron has factories in Taiwan, Singapore and Japan that are holdovers from past acquisitions.

According to Korean media Aju News, Samsung plans to reduce at least 10% of the wafer production at the S3 plant in South Korea’s Hwaseong Park starting from the third quarter of 2023.

Samsung Semiconductor will start reducing production at the S3 plant in Hwaseong Park in the third quarter. The S3 factory is a 12-inch production line built and put into operation by Samsung Semiconductor in 2018. It currently mainly produces 10nm to 7nm products. It is also one of the main production plants of Samsung Semiconductor's EUV advanced process. Samsung has deployed multiple ASML NXE3400 EUV lithography machines for it. .

Aju News pointed out that this production cut is the first time in recent years that Samsung has artificially reduced the amount of wafers put into semiconductor factories.

During the downturn in the semiconductor industry, in order to invest counter-cyclically to squeeze competitors such as TSMC, Samsung was still seeking to expand production until the beginning of this year. It plans to increase wafer production capacity by at least 10% by the second half of 2023, but the decline in the semiconductor industry is far faster than Samsung. expected.

The amount of Samsung Semiconductor's products in stock is nearly 32 trillion won, a record high since records were kept. Therefore, after reducing memory production and raising prices, Samsung had to further reduce the amount of system LSI wafers to balance inventory.

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Recently, Europe has established a gallium nitride scientific research project of up to 60 million euros, aiming to establish a complete supply capacity from power chips to modules.

In addition to Infineon, another 45 of its partners are involved. There is no doubt that this large-scale and high-investment GaN project highlights Infineon's determination to increase the layout for three and a half generations. To some extent, this will also be an important step for Europe to increase its chip manufacturing share and create a resilient supply chain.

In February last year, Infineon announced that it would spend more than 2 billion euros to build a third plant in Kulim, Malaysia, to produce SiC and GaN power semiconductors. At the same time, it said that in the future, the Si production line at the Villach plant in Austria will be transformed and converted to SiC and GaN production capacity.

Earlier, #Infineon announced that it had signed a final agreement with GaN Systems to acquire the latter for $830 million. The slightly aggressive expansion and the continuous advancement of the GaN technology roadmap all prove that Infineon is coveting this "cake".

In the ranking of the world's top ten power semiconductor manufacturers in 2021, Infineon ranked first with its absolute revenue advantage, followed by ON Semiconductor, STMicroelectronics, #Mitsubishi Electric, #Fuji Electric, Toshiba, Vishay, and #Anshi Semiconductors, Renesas Electronics, and Rohm. Almost every company here is accelerating the deployment of GaN.

From the perspective of the application of the third-generation half-power devices, consumer product power supplies, industrial and commercial power supplies, and new energy vehicles are the main markets. Especially as the penetration rate of new energy vehicles continues to increase, the requirements for energy saving and charging efficiency are getting higher and higher, and the potential of three and a half generations is becoming more and more prominent.

GaN power devices are mainly used in fields such as on-board chargers and DC-DC converters. Compared with Si, GaN can increase the charging speed by at least three times; compared with SiC, it also has advantages in high temperature resistance, high frequency resistance and high voltage resistance.

However, currently limited by the wafer preparation process and cost factors, the output of GaN is far less than that of SiC, and the application speed is slightly behind.

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On May 30th, Apple's spending on European suppliers has shown a continuous growth trend in recent years. It is reported that since 2018, Apple's spending on European suppliers has increased by more than 50%, totaling more than 85 billion euros. In 2022 alone, Apple will spend more than 20 billion euros in Europe.

Apple works closely with more than 4,000 European suppliers who provide innovative components and technologies for the manufacture of Apple products. Innovations from these European suppliers can be found in every Apple product, from sensors for the Apple Watch, to lidar for the iPhone, and microcontrollers for the Mac.

"The innovative spirit and incredible talent that brought Apple here in Europe more than 40 years ago has contributed more to our products than ever before," Cathy Kearney, Apple's vice president of operations, said in a release. So strong now. Our deep partnerships with European suppliers help us create breakthrough technologies, and we are proud to work closely with suppliers across Europe to advance our mission to decarbonize our entire global supply chain. "

Apple's suppliers in Europe include large multinational companies and small family businesses, some of which have been working with Apple for more than 30 years, and new companies join Apple's supply chain every year.

STMicroelectronics is a semiconductor maker based in France and Italy that focuses on developing and producing performance- and efficiency-optimized chips for Apple devices. The company has been working with Apple teams for years to develop integrated circuits for sensors, power management and wireless for the iPhone and other Apple products. STMicroelectronics has more than 27,000 employees in Europe and plans to invest more than 3.5 billion euros in 2023 to increase its global manufacturing capacity to produce components for Apple devices. The expansion will meet Apple's growing demand for microcontrollers as well as wireless, analog and mixed-signal integrated circuits.

Since 2020, Apple has been committed to carbon neutrality in its global business operations, and plans to achieve carbon neutrality in its entire global supply chain and the life cycle of each product by 2030. To achieve this goal, Apple works with suppliers to drive innovation, protect the planet and advance climate action. Among them, European manufacturing partners such as STMicroelectronics have made important progress in renewable energy.

In addition, companies such as DSM Engineered Materials in the Netherlands, Infineon in Germany and Austria, and Solvay in Belgium are supporting a range of renewable energy solutions such as wind projects, on-site solar and virtual power purchases Protocols and other innovative structures.

In conclusion, Apple's investment in European suppliers continues to grow, and cooperation with European suppliers has helped Apple create breakthrough technologies and advance its global supply chain decarbonization goals. This partnership not only strengthens the innovation capabilities of Apple products, but also promotes the adoption of renewable energy, making a positive contribution to sustainable development.

What is the Precision Operational Amplifier?

A Precision operational amplifier is an operational amplifier with better design specifications and topology than the conventional op-amp. Precision Op-amps are more accurate than your average general-purpose op-amps. In terms of design topology, Precision amplifiers have a better precision offset, zero-drift over time, lower internal noise (nV/√Hz), and input bias current. On the component scale, they have precise matching resistors etched in the substrate at the chip level.

Two examples
An LM741 op-amp has an offset voltage of 5mV. The offset voltage signifies the voltage that the user has to apply between the +ve and -ve of the IC, in order to get an output of 0V. On configuring the op-amp to operate at a gain of 100. The gain will not only multiply the input signal, but it will also multiply the offset voltage. This will result in the output voltage being off-value by a factor of +/-0.5V. On considering the OP177; a precision op-amp, with an offset voltage of 25uV. The same gain value of 100, would produce an error of only 2.5mV in a signal that has been amplified by a factor of 100.


The OP97 is a low-power alternative to the industry-standard precision op-amp, the OP07. The OP97 can be substituted directly into OP07, OP77, AD725, and PM1012 sockets with improved performance and/or less power dissipation and can be inserted into sockets conforming to the 741 pinouts if nulling circuitry is not used. Generally, nulling circuitry used with earlier generation amplifiers is rendered superfluous by the extremely low offset voltage of the OP97 and can be removed without compromising circuit performance. Extremely low bias current over the full military temperature range makes the OP97 attractive for use in sample-and-hold amplifiers, peak detectors, and log amplifiers that must operate over a wide temperature range. Balancing input resistances is not necessary with the OP97. Offset voltage and TCVOS are degraded only minimally by high source resistance, even when unbalanced.

Hey guys, if you are an electronic DIY lover, you will always find a lot of similar or interchangeable components, which have subtle differences in the specs or features, therefore lead to the wrong application, 74HC595 and its similar components is an example I'm going to mention today.

74HC595 and 74HC164, 74LS595 and MCP23017, except for the last one, the former three ICs are shift registers that can drive LEDs, especially 74HC595, it can drive LEDs directly, those components are alike in some way and have their own distinguishing features as well.

So let's explore these four ICs specifications and compare them to see what are their differences.

74HC595 VS 74LS595


74LS595 is TTL based, fast, uses more power and is older.
74HC595 is CMOS based, fast, uses less power and is the most up-to-date version.

The picture shows a fragment of perfect cheat sheet that has the basic electronic components, including their appearance and the symbol on the schematic circuits.

In this article I would like to tell a story about the English steam engine, and how it became a small electric generator in a regular apartment.

Right from the beginning of the steam expansion in the XIX century, the different types of engines were built, including small and decorative engines. When the steam engine was a novelty, those models had been shown to the amazed audience, and when it became widespread, the steam engines turned into an excellent tutorial and a wonderful toy for the younger generation of creators of the Industrial Revolution. So, at the end of Victorian era and at the beginning of Edwardian era the companies began making toy steam engines. In the XX century, namely in 1937, when the steam machineries lost their popularity, in the United Kingdom appeared Mamod firm, the name means Malins Models. Since then this firm has been providing the steam engines for everybody. So in the 60s, they have supplied with the engine an unknown person who sold this engine to another person that put up for sale this unit on eBay. The engine is worn out. After winning the auction I paid for this unit and got it by the Russian Post. In my hands I was holding a box with Royal Mail stamps and the inscription “Steam engine”.