As the core component of power management, ACDC power chips are widely used in consumer electronics, industrial equipment, automotive electronics and other fields. Based on multiple market reports and industry trends, the main brands and characteristics of ACDC chips are summarized as follows:
1、 International brand
Power Integrations
A leading global manufacturer of high-voltage power management chips, known for its high-performance and highly integrated solutions, covering the adapter, home appliance, and fast charging markets.
ON Semiconductor
Provide multiple types of ACDC chips, covering isolated and non isolated designs, widely used in white goods, power adapters, and fast charging fields.
STMicroelectronics (STMicroelectronics)
Formed by the merger of Italian and French companies, its ACDC chips are characterized by high conversion efficiency (over 95%), compact packaging, and flexible control modes, covering consumer electronics, automotive, and industrial scenarios.
NXP Semiconductors
Outstanding performance in the field of high-power adapters, such as TEA series chips supporting LLC and PFC controller integration, suitable for 90W500W power supply design, adopted by brands such as Android Micro and Fujia.
Cypress
The product line covers RF modulation power chips and intelligent power distribution solutions, and the technical platform supports a voltage range of 40V1200V.
2、 Domestic brands
Yosemite
Focusing on the field of power integration, its ACDC chip supports the new national standard charger "communication protocol" mode and is applied to safe charging solutions for electric bicycles, with high market recognition.
Silicon Power
We have launched multiple highly integrated fast charging chips (such as the SP6638HF series) with built-in MOSFETs and synchronous rectification technology, which have been adopted by brands such as Lenovo and Bellkin, covering the demand for 18W65W fast charging.
Dongke (DK)
Featuring gallium nitride encapsulated chips (such as DK065G), it integrates flyback controllers and high-voltage switching transistors to simplify design and improve power density, and is applied to 120W240W adapters.
OnBright
Provide PFC controllers (such as OB6566) that support critical mode operation and high-precision protection, and are compatible with high-power DC power supply designs.
UnionPay Treasure Technology
Focusing on six level energy efficiency solutions, such as the U6117D chip using primary feedback control, without the need for optocouplers and TL431, it is widely used in low-cost adapters.
Joulwatt
Leading in the field of intelligent power switch chips, our products cover consumer electronics and industrial applications, and our market share continues to increase.
Chipown
Focusing on medium and high voltage power management chips, our products are applied in home appliances and communication equipment, and in recent years, we have accelerated our layout in the fast charging market.
3、 Other emerging brands
Nanxin Technology: Outstanding performance in the hundred watt level fast charging solution, adopted by multiple mobile phone brands, and technology adapted to private fast charging protocols.
Southchip: Focusing on high reliability chip design, its products are applied in the fields of special equipment and industrial control.
Bright Power: Covering ACDC isolation and non isolation solutions, with a focus on the white goods and power adapter markets.
Market Trends and Application Fields
Fast charging technology: International brands such as NXP and ST compete fiercely with domestic manufacturers such as Silicon Dynamics and Dongke in the field of high-power gallium nitride chips, promoting the miniaturization of adapters.
New national standard drive: Enterprises such as Yachengwei have developed chip solutions that support the "handshake protocol" in response to the upgrade of electric bicycle charging safety standards.
Energy efficiency requirements: The Level 6 energy efficiency standard promotes manufacturers such as UnionPay to optimize their designs and reduce standby power consumption.
The above brands each have their own emphasis on technological paths, application scenarios, and market positioning. International manufacturers dominate the high-end market with technological accumulation, while domestic enterprises gradually expand their market share through high cost-effectiveness and innovative design. For more detailed technical parameters or the latest developments, please refer to the official websites of various companies or industry reports.
