A quick overview of the world's four "big cattle" solutions in the four application areas

It is widely acknowledged in the electronics distribution industry that, over the past 30 years, the focus has shifted from simply selling components to offering value-added services. In this evolving landscape, providing a comprehensive solution—from product concept to final implementation—has become one of the most valuable offerings. This approach not only reduces customers' R&D costs but also minimizes the risks associated with uncertain development processes. It helps shorten time-to-market and gives customers a competitive edge.

Shijian has established itself as a leader in delivering such solutions. With extensive experience in core technologies across industrial, wireless communications, and digital broadcasting, Shijian offers tailored, one-stop product solutions. Its strong planning and execution capabilities have earned it a solid reputation as a trusted technical distributor in the industry.

The ability to deliver complete solutions stems from Shijian’s well-established engineering system. At the front end, its Field Application Engineers (FAEs) provide personalized technical support while gathering customer feedback. On the backend, internal R&D engineers continuously refine and enhance these solutions. This process not only improves the performance of the original products but also strengthens relationships with suppliers, enabling more technical and resource support for Shijian. As a result, Shijian plays a pivotal role in bridging manufacturers and end-users in the supply chain.

Over the years, Shijian has developed solution capabilities spanning multiple industries, including industrial, Bluetooth, power, and LED applications. These solutions are designed to be "close-fitting" and highly integrated, creating strong connections between Shijian and its customers. Today, we’ll explore ten key programs across industrial, Bluetooth, power, and LED fields.

Industrial Field

The industrial sector is a key area where Shijian excels. The company provides solutions that maximize chip performance while simplifying the design process for users.

(1) Pi’an-level Current Measurement Evaluation Kit

High precision is essential in industrial instrumentation. ADI’s high-precision op amps, especially the ADA4530, enable picoampere-level current measurement, making them ideal for use in electrometers, spectrometers, and particle detectors. However, the sensitivity of the ADA4530 makes it prone to external interference, which can challenge design accuracy. To address this, Shijian developed a modular evaluation kit that supports various application scenarios. The kit includes a current input conversion board, voltage input buffer board, pin conversion board compatible with AD549, and an ADC data acquisition board. It features a shielding box and shielded output lines, allowing customers to integrate it directly into their instruments for real-time performance evaluation.

(2) Infrared Flame Detection Reference Design

In the industrial field, fire safety is critical. Shijian’s three-band infrared flame detector (IR3FD), based on Pyreos’ thin film pyroelectric sensor, covers signal amplification, on-chip ADC, flexible output interfaces, and PC software. This platform allows customers to evaluate flame sensor performance quickly and reduce design cycles. The reference design prevents false alarms, detects infrared signals within milliseconds, and achieves a detection range of 65 meters. It also includes a comparison channel for traditional sensors and provides software for data analysis.

(3) Smart Transmitter Reference Design

This solution uses ADI’s ADuC7061 as the main MCU, combined with AD8420 instrumentation amplifier and Epcos piezoresistive sensors. It converts analog signals to digital through internal linearization algorithms and outputs 4-20 mA for accurate pressure measurement. The design supports two-wire loop power and connects to PCs via RS232. Factory debugging and parameterization simplify user operations and accelerate deployment. The solution is ideal for applications in oil, chemical, metallurgy, medical, and environmental control sectors.

Bluetooth Field

Shijian has been developing Bluetooth solutions since 2002, with deep technical expertise and a wide range of applications. Here are two popular options:

(1) TWS Headset Solution

True Wireless Stereo (TWS) headsets are now a top choice for users. Shijian’s solution uses Qualcomm’s CSR8670 chip and TWS technology to achieve true stereo audio transmission. It also integrates CVC noise reduction and Aptx decoding for high-quality calls and music playback. A touch function enables song control, helping customers quickly bring their TWS products to market.

(2) Bluetooth Speaker Solution

Based on Qualcomm’s 867x Bluetooth speaker solution, this design supports TWS and broadcast modes, OTA upgrades via BLE or SPP, and mobile app connectivity. It supports protocols like A2DP, AVRCP, HFP, and more, making it suitable for portable speakers, soundbars, car audio systems, and wireless subwoofers.

Power Field

The energy landscape is rapidly changing, with smart grids, new energy sources, and advanced automation driving efficiency and sustainability. Shijian has actively participated in these developments.

(1) Ultrasonic Water Meter Reference Design

Shijian’s ultrasonic water meter solution uses TDC-GP30 (ams) and S1C17W15 (Epson) as the core. It includes LCD display, EEPROM, low-power LDO, isolated RS485 communication, and protection devices like Bourns TBU and TVS. It measures flow, temperature, and speed of sound, and supports DL/T645 protocol for data retrieval via RS485.

(2) Power Quality Online Monitoring Device Solution

This device complies with GB17626.30-2012 and grid standards, monitoring power quality parameters in factories, substations, wind farms, and photovoltaic plants. It uses ADSP-BF607 + AD7606 architecture for high-performance online monitoring. Features include graphical HMI, GPS timing, alarm functions, and EMC protection using Bourns PTVS and PPTC. It provides a turnkey solution for power quality inspection equipment.

(3) Distribution Network Automation Solution

Based on ADSP-CM408F, this solution supports medium and low-voltage power protection devices, DTU/FTU, and power quality analyzers. It includes three-phase current/voltage transformers, AD8604 signal conditioning, and a built-in harmonic analysis engine (HAE). The solution has been used in numerous projects by State Grid and China Southern Power Grid.

LED Field

Shijian leverages Seoul Semiconductor’s products to offer a full spectrum of LED lighting solutions for indoor and outdoor applications.

Shijian's solution design and integration capabilities are reflected in this reference design.

Shijian's solution design and integration capabilities are reflected in this reference design.

Shijian provides a wide range of LED lighting solutions, including high-power mining lamps, street lights, AC series ceiling and downlights, COB spotlights, and MR16 bulbs, among others.

Conclusion

Solution capability is a key indicator of a technical distributor’s strength. Shijian has demonstrated this through its comprehensive service model, ensuring that customers receive tailored, efficient, and reliable solutions regardless of market changes.

About Shijian – Asia Pacific Leading Component Authorized Distributor

Shijian is a leading provider of quality components, engineering, and supply chain management for Asian electronics manufacturers, including OEMs, ODMs, and EMS providers. The company collaborates closely with suppliers and manufacturers to identify and integrate cutting-edge technologies into customer products. With three R&D centers and a dedicated team, Shijian continuously develops innovative solutions to help customers improve cost-effectiveness and reduce time-to-market.

Headquartered in Singapore, Shijian is listed on the Singapore Exchange and operates in over 40 cities across the Asia-Pacific region. With over 650 employees and a strong presence in China, India, Southeast Asia, and beyond, the company has achieved significant growth and remains a key player in the electronics distribution industry.