DER-350 can help all types of thyristor dimming achieve excellent dimming performance
San Jose, California, August 27, 2013- Power IntegraTIons (NASDAQ: POWI), a world leader in the field of high-efficiency and high-reliability LED driver ICs, today launched a dimmable PAR38 The spotlight reference design, which was developed in collaboration with the well-known LED lighting company Cree, Inc. (NASDAQ: CREE). The design example report for this new reference design is DER-350, which is designed using the new device LYT4317E in Power IntegraTIons' LYTSwitchTM-4 series of single-stage driver ICs and Cree's MT-G2 EasyWhite® LED.
DER-350 introduces an isolated, high power factor, thyristor dimmable LED driver, which can provide 550 mA for an LED string with a rated voltage of 36 V within an input voltage range of 90 VAC to 132 VAC drive. LYTSwitchTM-4 IC uses a single-stage isolated topology with a combination of PFC and constant current (CC) to provide excellent efficiency, enabling a power factor greater than 0.98 and using fewer components. It also integrates overvoltage protection, overcurrent protection and overheating protection.
DER-350 also exhibits the excellent thyristor dimming performance of LYTSwitchTM-4 IC-very fast start-up speed (less than 200 ms), reducing the sudden brightening phenomenon and the absence of dimming dead zone, thus easily meeting NEMA ’s Dimming curve requirements (whether leading edge dimmers or trailing edge dimmers are used).
Andrew Smith, product marketing manager of Power IntegraTIons, said: "Cree's MT-G2 EasyWhite LED combines the advantages of high lumen output, excellent optical control and color consistency, making it ideal for directional lighting such as PAR38 replacement lamps." Cree Co-Development Director David Cox added: “Power IntegraTIons’ low-cost, high-efficiency driver complements our LEDs, helping to quickly achieve a compact, heat-dissipating, and tonal light design. The result is a consumer The LED lighting solution gradually accepted. "
DER-350 can be downloaded from the following URL: http: //PDFFiles/der350.pdf.
About Power Integrations
Power Integrations, Inc. is a supplier of high-performance electronic components for high-voltage power conversion systems and is headquartered in Silicon Valley, USA. The company's integrated circuits and diodes can help a large number of electronic products, including TVs, PCs, home appliances, smart meters and LED lights, to design compact, energy-efficient AC-DC power supplies. CONCEPT's IGBT driver system can improve the efficiency, reliability and cost-effectiveness of high-power applications. Its applications include industrial motors, solar and wind energy systems, electric vehicles and high-voltage DC transmission. Since its introduction in 1998, Power Integrations' EcoSmart® energy-saving technology has saved billions of dollars in energy consumption and avoided millions of tons of carbon emissions. Because of the company's products' impact on environmental protection, Power Integrations stock has been classified under the NASDAQ® Clean Edge® Green Energy Index, The Cleantech Index® and Ardour Global IndexSM. For more information including design support tools and resources, please visit; the green space on the Power Integrations website provides a comprehensive guide to global energy efficiency standards.
Analysis of advantages and disadvantages of 4G industrial routers
First, what is the classification of industrial routers?
Industrial Router (a communication device that can be divided into 2G routers, 2.5G routers, 3G routers and 4G routers according to network standards.
For users, you can communicate with the Internet by setting a default gateway on your PC or network device. In fact, the default gateway configured for network devices is the packet export for network devices. After the packet is sent to the Ethernet port of the router, the router performs the next job, so the router is an Internet relay.
Second, how do industrial routers work
So how does the router forward the packet? Just like getting somewhere, you need to place a route. This route is a routing table. This routing table contains all the destination network addresses owned by the router, as well as the best path to reach those networks through the router. This is because there is a routing table, so the router can forward packets according to the routing table. That's how routers work.
Understand what is an industrial router and how it works, it is not difficult to understand the advantages and disadvantages of the router. Here we focus on the advantages and disadvantages of 4G industrial routers.
Third, the advantages of 4G industrial routers
For networks interconnected via single-protocol industrial-grade wireless routers, the same or different protocols can be used at layers 1-2. Layer 3 uses the same routable protocol and requires the same or compatible protocols at layer 4 and beyond.
Industrial routers can perform complex routing calculations and are suitable for connecting three or more large networks with complex network topologies.
Industrial-grade routers can isolate broadcast storm information in the source network, thereby reducing and mitigating the impact of broadcast storms.
Multiprotocol industrial wireless routers can be used as network interconnection platforms using different communication protocols because they can connect to the network using different communication protocols.
The entire network router can also be used as a bridge to handle non-routable protocols.
Industrial 4G routers enable you to isolate unnecessary communications so that the interconnected network maintains its own area of independent management and control, thereby improving network security performance. Therefore, industrial-grade 4G routers are commonly used as firewalls to restrict access to the internal and external networks (Internet) of the LAN, as well as the internal areas of the LAN, and act as network masking.
It can provide reliable transport and prioritization services, and industrial LTE routers do not need to maintain a persistent connection between networks that communicate with each other.
Complete Netcom router network segmentation improves network performance and reduces host load.
Third, the advantages of 4G industrial routers
High price
When installing an industrial LTE router, it is difficult to install and maintain due to the large number of initial configurations
If you spend more time processing, the transmission performance of the entire network of the industrial router will decrease.
Unlike Bridges, routers across industrial networks are protocol-related. Each advanced protocol used for network connectivity must be configured separately, and an industrial-grade network-grade router with a separate protocol for each protocol must be provided.
Industrial Netcom routers do not support non-routed protocols, so when interconnecting multiple networks, there are restrictions on the protocols used by the connected networks.
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