{"id":5808,"date":"2022-10-18T12:23:37","date_gmt":"2022-10-18T12:23:37","guid":{"rendered":"https:\/\/blog.uk.tdk-lambda.com\/uk\/?p=5808"},"modified":"2022-10-18T12:23:37","modified_gmt":"2022-10-18T12:23:37","slug":"new-ac-dc-power-supply-thermal-management-patent","status":"publish","type":"post","link":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2022\/10\/18\/new-ac-dc-power-supply-thermal-management-patent\/","title":{"rendered":"New AC-DC power supply thermal management patent enables more efficient design-in"},"content":{"rendered":"

TDK Corporation (TSE 6762) is pleased to announce that TDK-Lambda UK\u2019s Power Supply Apparatus patent application has been approved for grant by the UK Intellectual Property Office. The new thermal strategy covered by the patent leads to power supplies that are flexible in their cooling requirements, keep audible noise to a minimum, and are easy for customers to integrate into their systems.<\/span><\/p>\n

\u201cThermal management is one of the main technical challenges to overcome in the design of any system,\u201d explains Martin Coates, Engineering Director, TDK-Lambda UK. \u201cVery often, there are hot spots within systems that require a disproportionately high airflow over them to keep component temperatures within acceptable limits. This, in turn, often leads to excessive audible noise from fan cooling, and\/or limitations in the system\u2019s thermal performance.\u201d<\/span><\/p>\n

There are two established techniques for overcoming the thermal management challenge. One method is to increase unit dimensions to allow for better airflow. Driving up efficiency is another technique, thereby minimising internal heat dissipation. Increasing unit size is often unacceptable, as units are seen as uncompetitive and excessively large, making them difficult to integrate into systems. Also, as power supply efficiencies increase, the law of diminishing returns applies, and incremental improvements become excessively expensive. Above all, both techniques come with an increased bill-of-material cost.\u00a0<\/span><\/p>\n

The new thermal management strategy used in manufacturing the CUS400M series of AC-DC power supplies, covered by the patent, overcomes these issues by utilising existing system metalwork for cooling. Through careful PCB design and the use of thermally conductive plastics, the heat generated by the electronic components is spread and transferred into the system chassis. This means that good thermal performance can be achieved with substantially lower airflow, resulting in reduced audible noise from the slower fan.\u00a0<\/span><\/p>\n

Many medical and industrial applications require a peak output power for a few minutes but relatively low continuous quiescent output power. \u201cThe design methodology also means that the unit is more resilient to peak loading since the thermal time constant is substantially longer than traditional designs,\u201d adds Coates. \u201cThis means that the internal component temperatures do not rise as rapidly for peak loading, decreasing the stress on the components and increasing the power supply lifetime. This enables us to offer the CUS400M series with a five-year warranty. In addition, the CUS400M can replace larger, more expensive convection cooled products that are rated continuously for the peak requirement, translating into a cost saving for the customer.\u201d<\/span><\/p>\n

For more information about the TDK-Lambda CUS400M series, please call TDK-Lambda directly on +44\u00a0(0)1271\u00a0856600 or follow this <\/span>link<\/span><\/a>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

TDK Corporation (TSE 6762) is pleased to announce that TDK-Lambda UK\u2019s Power Supply Apparatus patent application has been approved for grant by the UK Intellectual Property Office. The new thermal strategy covered by the patent leads to power supplies that are flexible in their cooling requirements, keep audible noise to a minimum, and are easy […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[88,17,22],"tags":[],"class_list":["post-5808","post","type-post","status-publish","format-standard","hentry","category-cus-m","category-news","category-products"],"acf":[],"yoast_head":"\nNew AC-DC power supply thermal management patent<\/title>\n<meta name=\"description\" content=\"TDK-Lambda UK\u2019s thermal management patent, enabling more efficient design-in, has been approved for grant by the UK Intellectual Property Office.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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