On September 4, 2014, Dalian United Holdings, a leading electronic component distributor dedicated to the Asia-Pacific market, announced that its subsidiary, Pinka, has launched Power Technology, which is developed specifically for distributed gated modules by On Semi. Chip NCV7707. The NCV7707 is designed to control the front door load, including mirror position, heating and folding. In addition, there are two sets of half bridges for the control lock motor and four sets of high-side output drive lamps. The car door electronic system has been widely used in today's cars. Most of the cars have adopted electric windows and central locking, and some mid- to high-end models also have anti-pinch protection and child safety locks, rear view mirror adjustment, Folding and defrosting. Some lighting control applications have also been added to door electronic systems such as turn signals, LED interior lights and more. The common door electronic system is shown in the following figure. The centralized design---the central BCM module directly controls the door locks, window motors, control panels, rearview mirrors, lights and other components, thus requiring the application of a large number of wire harnesses, increasing the cost while It also brings great inconvenience to maintenance. Figure 1 - Centralized Door Electronics System The decentralized door electronic system, as shown in the following figure, each door independent module communicates via CAN/LIN bus. Each sub-module adopts the door module driver chip NCV7707 and the system base chip NCV7462, which greatly simplifies the design. Figure 2-De-Centralized Door Electronics System [Main features of NCV7707] • Operating voltage range 5.5V-28V • 6-way high-side switch 6-way low-side switch • 4-way headlights high side drive • 1 way high side drive for rearview mirror heating defrost • Electrochromic mirror control • Independent PWM control for each output • Each programmable PWM generator controls the lights • Multiple load current monitoring, analog signal output • 24-bit SPI interface for output control and diagnostics • Short circuit, overload, over temperature protection Figure 3 - SoluTIon for De-Centralized Front Door Electronics Systems About Dalian United Holdings: Datongda Holdings is a leading electronic component distributor in the Asia Pacific region. Headquartered in Taipei (TSE:3702), it owns World Union Group, Pinjia Group, Quanding Group and Youshang Group with nearly 6,000 employees. There are more than 250 suppliers of agency products and more than 130 distribution bases around the world (about 80 in Asia Pacific). In 2013, the turnover reached US$13.7 billion. 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 international operation scale and localized sales pipeline have long been deeply involved in the Asia-Pacific market. It has been selected as the “Best IC Distributor in Asia†by professional media for years, and is the world's third largest electronic component distributor. 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 Greater China (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 Quantity Service (SQS). 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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