{"id":10572,"date":"2015-07-19T23:43:17","date_gmt":"2015-07-20T03:43:17","guid":{"rendered":"http:\/\/embedded-lab.com\/blog\/?p=10572"},"modified":"2015-07-19T23:43:28","modified_gmt":"2015-07-20T03:43:28","slug":"dual-channel-battery-charger-plus-analyzer","status":"publish","type":"post","link":"https:\/\/embedded-lab.com\/blog\/dual-channel-battery-charger-plus-analyzer\/","title":{"rendered":"Dual channel battery charger plus analyzer"},"content":{"rendered":"<p><em><strong>K.C. Lee<\/strong><\/em>&#8216;s <a href=\"https:\/\/hackaday.io\/project\/4993-dual-channel-battery-chargeranalyzer\" target=\"_blank\"><strong>dual channel battery charger<\/strong><\/a> is a microcontroller-based efficient switching mode power supply design for not only the charging job but also for\u00a0determining the charge\/discharge characteristics of batteries.<\/p>\n<div id=\"attachment_10573\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/07\/batterycharger.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10573\" class=\"size-medium wp-image-10573\" alt=\"Dual channel battery charger\" src=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/07\/batterycharger-580x294.png\" width=\"580\" height=\"294\" srcset=\"https:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/07\/batterycharger-580x294.png 580w, https:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/07\/batterycharger.png 585w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/a><p id=\"caption-attachment-10573\" class=\"wp-caption-text\">Dual channel battery charger<\/p><\/div>\n<blockquote><p>It is a battery charger\/analyzer. It is not going to save the world from an alien invasion or cure cancer or something equally noble. It is a nice tool for recycling or buying cheap batteries of unknown capacity\/performance as it&#8217;ll let you test the discharge characteristics.<\/p>\n<p>What set this charger design different are:<\/p><\/blockquote>\n<ul>\n<li>\n<blockquote><p>Flexible power source &#8211; two independent buck\/boost converters allow higher\/lower than input voltage. So you could be charging batteries from USB, vehicle power or green power source such as unregulated power from small solar power panel\/wind power etc.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p>High switching frequency beyond traditional uC PWM type of design can offer. This allows for the use of much smaller components and also reduces input\/output ripple current.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p>During discharge mode, the switch mode converter works to draw power away from the battery. The power can be diverted to external use. e.g. charging a Super capacitor bank, light. etc.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p>Scalable design for additional channels and\/or higher power.<\/p><\/blockquote>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K.C. Lee&#8216;s dual channel battery charger is a microcontroller-based efficient switching mode power supply design for not only the charging job but also for\u00a0determining the charge\/discharge characteristics of batteries. It is a battery charger\/analyzer. It is not going to save the world from an alien invasion or cure cancer or something equally noble. It is a nice tool for recycling or buying cheap batteries of unknown capacity\/performance as it&#8217;ll let you test the discharge characteristics. What set this charger design different are: Flexible power source &#8211; two independent buck\/boost converters allow higher\/lower than input voltage. So you could be charging<\/p>\n","protected":false},"author":1,"featured_media":10573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[1223,1222],"class_list":["post-10572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-power-supply","tag-dual-channel-battery-charger","tag-microchip-tc4426a"],"_links":{"self":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/comments?post=10572"}],"version-history":[{"count":1,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10572\/revisions"}],"predecessor-version":[{"id":10574,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10572\/revisions\/10574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media\/10573"}],"wp:attachment":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media?parent=10572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/categories?post=10572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/tags?post=10572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}