{"id":55,"date":"2024-02-06T20:35:52","date_gmt":"2024-02-06T20:35:52","guid":{"rendered":"https:\/\/vdw-electronics-design.com\/?page_id=55"},"modified":"2024-02-06T20:37:08","modified_gmt":"2024-02-06T20:37:08","slug":"hf-ballast-compatable-tube-light-led-driver","status":"publish","type":"page","link":"https:\/\/vdw-electronics-design.com\/index.php\/hf-ballast-compatable-tube-light-led-driver\/","title":{"rendered":"HF ballast compatable Tube  light LED driver"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Philips Lighting, LED platform development was a department within Philips Lighting that did predevelopment of LED drivers and modules. Their focus was mainly on low cost, retrofit and dimmer\/ballast compatibility.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tube lights (TL) require ballasts to work and there are two types available: EM ballasts that work with a large inductor and HF ballasts that work with high frequency switch mode converters. A LED based TL replacement must be able to work behind such ballasts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As Electronics Designer I was responsible for investigating driver concepts that can work with TL ballasts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For this I did the following activities:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Studied TL ballasts<\/li>\n\n\n\n<li>Created and tested concepts<\/li>\n\n\n\n<li>Automated a test set up using matlab and Scilab to evaluate concepts<\/li>\n\n\n\n<li>Created a test set up to test the lifetime of the built in protection mechanisms<\/li>\n\n\n\n<li>Documented all concepts and results<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">With my investigation I created the starting point for what later led to a commercially successful product.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Philips Lighting, LED platform development was a department within Philips Lighting that did predevelopment of LED drivers and modules. Their focus was mainly on low cost, retrofit and dimmer\/ballast compatibility. Tube lights (TL) require ballasts to work and there are two types available: EM ballasts that work with a large inductor and HF ballasts that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-55","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/pages\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/comments?post=55"}],"version-history":[{"count":3,"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/pages\/55\/revisions"}],"predecessor-version":[{"id":58,"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/pages\/55\/revisions\/58"}],"wp:attachment":[{"href":"https:\/\/vdw-electronics-design.com\/index.php\/wp-json\/wp\/v2\/media?parent=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}