Design 20W–30W Power Supplies with Over 90% Efficiency for 24V+ Industrial Automation Systems DESIGN SOLUTIONS
■Industrial automation systems are undergoing a revolution to reduce latency and down time. This directly translates to increased profits for factory operators and machine builders. Dubbed Industry 4.0, this effort will add more intelligence across the factory floor, from HMI panels and controllers to communication modules, actuators, and sensors.
■This revolution parallels the networking revolution that in-creased intelligence beyond the core routers to metro, edge, and all the way to the last mile. By distributing factory processing intelligence to the edge (via sensors and communication modules) decisions for routine issues can be made more quickly without the need to involve the main processor (located in the PLC). The additional intelligence must use the same or less space on the factory floor, requiring increased product functionality in smaller form-factors.
■This shrinking PCB size puts stress on thermal dissipation. Thermal management options, such as heat sinks, are ruled out since board space is at a premium. Fans for forced airflow cannot be used due to sealed enclosures that prevent ingress of dust and pollutants. Therefore, it is crucial that the power supply solution be extremely efficient, while delivering higher power and occupying a smaller area than ever before. In this Power Design Solution we will take these needs into consideration while we review the available options for a 20W–30W power supply, compare performance, and determine the best solution.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2018/3/2 |
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ds6 |
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131 KB |
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