Recently, Xidi Microelectronics Group Co., Ltd. (hereinafter referred to as "Xidi Microelectronics") released the 2023 annual report and the first quarter report of 2024. In the second half of 2023, well-known terminal brands at home and abroad will release new products one after another, and at the same time, the integration of AI technology will inject new vitality into electronic products such as mobile phones, computers, and smart wearables, and promote the recovery of the consumer electronics industry.

With the rebound of the consumer electronics industry, Xidiwei achieved operating income of 136.4703 million yuan in the third quarter of 2023, an increase of 61.41% from the previous quarter; The operating income in the fourth quarter was 132.4385 million yuan, which was basically the same as that in the third quarter. For the whole year of 2023, the total shipment value of all product lines of Xidiwei will be 621.106 million yuan, an increase of 11.02% over the same period of the previous year. In the first quarter of 2024, the total shipment value of all product lines of Xidiwei was 265.3196 million yuan, an increase of 560.42% over the same period of the previous year; Xidiwei achieved an operating income of 122.9087 million yuan, an increase of 205.94% over the same period of the previous year, continuing the good development trend since the second half of 2023.

With its international R&D and management team, we have successfully developed a series of high-performance chip products, which are highly praised by the industry for their high efficiency, high precision and high reliability. In February 2024, Xidi Micro timely launched the industry-leading DC/DC chip for silicon anode lithium-ion batteries - HL7603, which will provide long-lasting support for AI mobile phones and other devices. So, how does a silicon anode lithium battery efficiently empower AI mobile phone power management chips? Next, let's demystify.

Silicon-based anode materials inject strong impetus into the innovation and development of lithium batteries

Silicon-based anode batteries, as the name suggests, refer to the use of innovative silicon materials as the anode in the battery. It is reported that this silicon anode material has a higher energy density than the traditional graphite anode material. This advantage allows the silicon anode to be designed smaller, freeing up more space inside the battery for the cathode, greatly improving the battery's space utilization and overall energy density. From the perspective of environmental protection and sustainability, silicon, as a rich element, is relatively environmentally friendly to mine and use, so silicon-based anode batteries also have less environmental impact during production and disposal. To sum up, silicon anode materials are very imaginative and have great application potential.

In the wave of the new energy era, lithium-ion batteries (LIBs), as an efficient energy storage system, play an increasingly important role in portable electronic devices such as mobile phones and tablets and in the electric vehicle economy, and are an important part of modern science and technology. The combination of silicon anode materials and lithium batteries can effectively promote the innovation and development of battery technology, increase the power retention of batteries, and at the same time have better environmental protection and sustainability, making them more durable. With the same volume or weight, a silicon anode lithium battery can store more electrical energy, providing a longer battery life for the device.

In addition, the introduction of silicon anode materials can improve the cycling performance and stability of lithium batteries. By optimizing the structure and preparation process of silicon anode, the volume expansion of silicon during charging and discharging can be effectively alleviated, so as to improve the cycle life and safety of the battery and meet the needs of various application fields.

The AI model accelerates the application of silicon anode lithium batteries in mobile devices

At present, the improvement of mobile phone hardware performance mainly depends on the upgrade of traditional hardware such as processors and memory, but with the gradual failure of Moore's law, the room for improving the performance of traditional hardware is becoming more and more limited. The emergence of large AI models can achieve more efficient use of mobile phone hardware resources through deep learning and other technologies, thereby improving the overall performance of mobile phones.

With the help of AI large models, mobile phones will have stronger self-learning and judgment capabilities, and achieve more intelligent functions. For example, through AI technology, mobile phones can intelligently recognize users' voice commands; Through face recognition technology, mobile phones can realize functions such as fingerprint unlocking and face payment. The emergence of AI large models also puts forward higher requirements for the performance of mobile phone lithium batteries: one is the battery life, and the other is the safety and stability of the battery.

First of all, large AI models usually have a large scale and complex structure, and need to process massive amounts of data and complete various complex tasks, such as natural language processing and image recognition. These operations often require a lot of computing resources and time, so the battery life of the mobile phone's lithium battery becomes a key factor. The application of AI large models on mobile phones may require long-term operation and calculation, so lithium batteries need to have sufficient power supply to support long-term use.

Secondly, the AI model also has high requirements for the safety and stability of the battery. During the operation and calculation of the model, if there is any problem with the battery, such as overheating, overcharging, or overdischarging, it may lead to the degradation of the phone's performance and even cause a safety incident. Therefore, lithium batteries need to have good stability and safety, be able to maintain normal operation under long-term and high-load operating conditions, and have corresponding protection measures to prevent accidents.

In addition, the application of AI large models may also put forward new requirements for the charging speed and charging method of lithium batteries. In order to complete charging faster to meet the demands of long-term operation, more efficient charging technology is required.

Therefore, battery technology and charging technology also need to continue to innovate and progress to meet the application needs of AI large models in mobile devices such as mobile phones, while silicon anode lithium-ion batteries with higher energy storage density, faster charging speed and longer life are expected to become the new favorite of the market.

High-performance power management chips escort the efficient operation of AI mobile phones

High-performance power management chips play a vital role in AI mobile phones. Among them, DC/DC chips, as an important part of power management chips, play an indispensable role. The main functions of DC/DC chips include voltage conversion, current control, and stability assurance. It can efficiently achieve voltage rise and fall through key components such as internal power switches, inductors, and capacitors, and ensure the stability and accuracy of output current.

In mobile phone design, high-performance DC/DC chips are usually carefully built to combine high performance and small size, which not only effectively saves valuable space inside the phone, but also significantly improves energy efficiency and brings better performance to the phone. In addition, in order to ensure the stability and security of the mobile phone, the high-performance DC/DC chip also needs to have functions such as over-temperature protection, over-voltage protection and over-current protection to ensure the normal operation of the mobile phone. Therefore, there are only a handful of power management chip design companies that can enter the supply chain system of well-known mobile phone brands.

In the field of consumer electronics such as mobile phones, Xidiwei's products have obtained the reference design of Qualcomm, MediaTek (MTK) and other main chip platform manufacturers, and have been widely used in consumer electronic devices of Samsung, Xiaomi, Honor, OPPO, vivo, Transsion, Google, Logitech and other brand customers, covering a variety of mobile intelligent terminal devices including mid-to-high-end flagship models. In view of the characteristics of silicon anode lithium-ion batteries, Xidi Micro has launched HL7603, a DC/DC chip specially designed for silicon anode lithium-ion batteries, which can greatly improve the power output of the battery and improve the battery life.

The HL7603 is unique in its wide voltage range, which makes full use of the additional capacity of the silicon anode battery in the voltage range of 3.4V to 2.7V, which greatly improves the battery life of AI phones equipped with HL7603 compared to traditional mobile phones with lithium batteries. Since many of the components inside the phone can operate at voltages higher than the standard voltages provided by lithium silicon anode batteries, a boost DC/DC chip is needed to boost the battery's voltage to the desired level. For example, as a key part of electronic products such as mobile phones and wireless communication devices, the high-performance step-up DC/DC chip launched by Xidiwei can increase the voltage of the battery to the voltage level required by the RF module, ensuring that the RF module can work stably and efficiently, and improving the performance and user experience of the mobile phone as a whole.

It is worth noting that as the first DC/DC chip specially designed for silicon anode lithium-ion batteries on the market, HL7603 makes Xidiwei stand out and seize valuable market opportunities. It is understood that with its unique performance advantages, silicon anode lithium battery has become the preferred power supply solution for high-end models of well-known terminal brands, and is expected to achieve large-scale popularity in the future and bring excellent experience to more consumers.

We believe that with the continuous iteration and upgrading of AI large models, as a leader in domestic power management chip design companies, Xidiwei (688173) will usher in a new chapter of rapid growth with its forward-looking layout and deep technical accumulation in the field of silicon anode applications.

Disclaimer: This article is for informational purposes only and does not constitute investment advice.

Advertisement