Top 20 Hot Search Models in the First Half of 2025

According to ADD Components, the top 5 chips are TL431, LM358, UC3842, STM32F103C8T6, and S8050. These models are all chip products that engineers are familiar with.

Especially TL431, many engineers start learning power design from this chip. Even in the workplace, when making products, this chip is still used, and its usage rate in the market is very high.

As for LM358, it is also a proven dual channel operational amplifier, which has been one of the essential components for engineers to learn analog circuit design since its launch in 1976. It is cheap, rich in information, and can be found in a large number of devices on the market. Although it is very ordinary and each parameter is not outstanding, it has been used by engineers for more than 40 years and they are unwilling to give up because LM358 has never been out of stock for decades, with very stable supply and strong fault tolerance. Moreover, it does not choose any application scenarios, whether it is power monitoring, filtering, comparison, ADC front-end and other application scenarios, it is suitable and easy to use.

UC3842 was designed and produced by Unitrode, which was later acquired by TI (Texas Instruments). As the patent rights of the original design expire, other manufacturers have the right to produce and sell similar products, becoming a standard choice in the industry. In addition to overseas manufacturers such as TI, ST, Ansenmei, and NXP, domestic manufacturers such as Huafuqin, Huaxuanyang, Kexin, Hongmao Semiconductor, Huazhimei, Yixinwei, and Huaguan also have related product supplies.

STM32F103C8T6 is also an old friend of engineers. It is a very popular low-cost MCU chip based on the Arm Cortex-M3 core, with a clock frequency of 72MHz and up to 1MB of flash memory. Since the release of the first F1 series STM32 MCU by ST in 2007, the best-selling STM32 products have been F103C8, F030C8, G030C8, and other models. Therefore, these MCU products have a very good mass base. Even now, many engineers are still using this MCU to design new products. However, today ST has launched a new product to replace this series of MCUs, which is the STM32C051C8 series MCU, which can replace the 103C8, F030C8, G030C8 series MCUs. STM32C051C8 is based on Cortex-M0+core, with a maximum clock frequency of 48MHz, where C8's 8 represents 64K flash memory. In addition, in terms of general peripherals, including two SPIs, two USARTs, and two I2C, in addition to a 16 bit clock, a 32-bit clock has also been added.

In the hot search rankings, there are many MCU products on the list this time. In addition to ST's STM32F103C8T6 and STM32F103RCT6, there are also Microchip's 16 bit MCU product dsPIC30F2010-30I/SP, and TI's 32-bit MCU product TMS320F28P559SJ-Q1. Among them, TI's product is also a vehicle grade MCU, which is a member of the C2000 real-time microcontroller series. This series is a scalable, ultra-low latency device that can improve the efficiency of power electronic devices, including but not limited to high power density, high switching frequency, and supports the use of GaN and SiC technology. Suitable for fields such as motor drive, hybrid power, electric and powertrain systems, solar and electric vehicle charging, digital power supply, vehicle electronics, and lighting.

In addition, ADI has two devices that have entered the ranking list, one of which is a complete metering system ADPD188BI-ACEZR7 that uses optical dual wavelength technology for smoke detection. This module integrates an efficient photometry front-end, two light-emitting diodes, and two photodiodes. For specific information, please refer to the data manual. There is also an interface chip MAX485ESA-T, but it has been discontinued.

Through the hot search model data of ADD Components, we can glimpse the chip products and technology trends that engineers are most concerned about in the first half of 2025. Despite impressive market performance in the first half of the year, the potential slowdown in demand in the second half cannot be ignored. At a time of industry change, relying on reliable data insights and efficient component information acquisition platforms will help companies and engineers make wiser decisions. ADD Components will continue to deeply cultivate data and assist in industrial innovation and development.