On May 5, 2016, Dalian United Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its product is based on Microchip's PIC12HV752-based single-stage PFC thyristor dimming LED solution. With a small amount of program code, you can use the peripheral module (CIP) of the opposite core that comes with its MCU. Figure 1 - Dalian Dapinjia launches a single-stage PFC thyristor dimming LED solution system framework based on Microchip PIC12HV752 SCR is a semiconductor device that has emerged in recent years. It combines with LED lighting technology with its high efficiency and long life. It uses thyristor dimming to dim the LED replacement lamp. The existing dimmer circuit No change is possible, so thyristor dimming is increasingly recognized by the market. Dalian Dapin has launched a low-cost thyristor dimming LED solution based on Microchip technology and products to meet market demand. Figure 2 - Dalian Dapinjia launches a single-stage PFC thyristor dimming LED solution development board based on Microchip PIC12HV752 Program features: ? Isolated output is safe and reliable; ? Continuous current mode CCM to ensure switching loss of low-side MOS; High PF value reduces ballast losses; ? Less peripheral components, lower cost, suitable for small volume requirements; • Full-bridge rectification requires only small, inexpensive film capacitors to replace bulky and expensive high-voltage electrolytic capacitors. The solution's input voltage range is AC IN 90-240 V and the maximum output is 20Vdc/325ma. Its PF value is 0.95, which is equivalent to pure resistance, and its characteristics are similar to incandescent lamps. It can be applied to constant voltage and constant current with communication dimming or thyristor LED dimming power supply. About Dalian United Holdings: Datongda Holdings is the world's number one semiconductor component distributor with leading market share in the Asia Pacific region. Headquartered in Taipei (TSE:3702), it owns nearly 5,500 employees in Shiping, Pinjia, Zhiding and Youshang. There are more than 250 agent products and about 115 distribution bases in the world (about 65 in Asia Pacific). In 2015, the turnover reached US$16.23 billion. (*Market rankings are published by Gartner) Dalian United Holdings holds an industry holding platform, continuously optimizes the front-end marketing and logistics support team, acts as a professional partner in the industrial supply chain, provides Demand CreaTIon, turnkey solutions (Turnkey SoluTIon), technical support, warehousing logistics and IC Value-added services such as e-commerce meet the needs of different customers such as original equipment manufacturers (OEMs), original design manufacturers (ODMs), electronic manufacturing service providers (EMS), and small and medium-sized enterprises. The scale of international operations and localized sales channels have long been deeply rooted in the Asia-Pacific market. It has been selected as the “Best IC Distributor in Asia†by professional media. In order to improve the quality of localization services of the United Nations General Assembly and meet the differentiated needs of customers in the service areas of Greater China, the six major areas of the United Nations (China) services include China-Based Manufacturers and Taiwan-Based Manufacturers. ), Foreign Manufacturing Service, Japan-Based Manufacturers, Korea-Based Manufacturers and Hong Kong-Based Manufacturers customers. In addition to providing customers with the best turnkey solution (Turnkey SoluTIon), and in order to meet the customer's small-volume device procurement needs, the company has set up a dedicated small batch service team (SQS, Small QuanTIty Service). The United Nations has established the United Nations General University of Commerce and Trade in the Mainland and Hong Kong, the United Nations General Trading (Shenzhen) and the United Nations Electronic (Hong Kong), with the "Industry's Choice. Passage Benchmark" as the corporate vision and the full implementation of "Team, Integrity, The core values ​​of professionalism and efficiency are professional services to achieve mutual benefit and win-win for suppliers, customers and shareholders.
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