{"id":118,"date":"2013-05-01T10:41:12","date_gmt":"2013-05-01T10:41:12","guid":{"rendered":"http:\/\/electronicsmaker.com\/?p=118"},"modified":"2013-05-01T10:42:16","modified_gmt":"2013-05-01T10:42:16","slug":"maxim-integrateds-1216-channel-analog-front-ends-afes-double-accuracy-while-reducing-battery-management-systems-cost-by-up-to-35","status":"publish","type":"post","link":"https:\/\/electronicsmaker.com\/maxim-integrateds-1216-channel-analog-front-ends-afes-double-accuracy-while-reducing-battery-management-systems-cost-by-up-to-35","title":{"rendered":"Maxim Integrated\u2019s 12\/16-Channel Analog Front-Ends (AFEs) Double Accuracy While Reducing Battery-Management Systems Cost by up to 35%"},"content":{"rendered":"<p><em style=\"font-size: 18px;\">High-accuracy AFEs integrate simultaneous cell voltage sampling to improve state-of-charge prediction and maximize battery pack longevity.<\/em><\/p>\n<p><strong>Bangalore, India\u2013April 25, 2013\u2013<\/strong> Maxim Integrated Products, Inc. (NASDAQ: MXIM) announced it is sampling the MAX14920\/MAX14921, high-accuracy, 12\/16-channel cell-measurement analog front-ends (AFEs) that lower battery-management electronics costs by up to 35%. These devices double the accuracy of cell voltage readings through the use of high-accuracy common-mode level shifting and an integrated high-precision amplifier that simplifies ADC data conversion.<\/p>\n<p>Higher accuracy improves state-of-charge determination and cell balancing that in turn lengthen the life of rechargeable Lithium-ion (Li+) battery packs and maximize available energy, especially important for modern battery chemistries that exhibit flat voltage discharge curves, such as those with LiFePO4 cathodes. The MAX14920\/MAX14921 enable the industry\u2019s highest accuracy cell voltage measurements (\u00b10.5mV, max). Ideal for 48V to 65V pack voltages required in uninterruptible power-supply (UPS) systems, smart grid energy-storage packs, and telecom power backup-battery packs, the MAX14921 eliminates up to two 6-channel AFEs required for 13S-16S channel battery packs.<\/p>\n<p><strong>Key Features<\/strong><\/p>\n<ul style=\"padding-left: 8px;\">\n<li>Highest accuracy: increases individual cell accuracy; improves cell balancing.<\/li>\n<li>Lower cost: one chip supports battery management of up to 16 cell packs.<\/li>\n<li>Flexible solution: suitable for use in both lower cost applications (using the ADC integrated in a microcontroller) and higher accuracy applications (utilizing an external ADC).<\/li>\n<\/ul>\n<p><strong>Commentary:<\/strong><\/p>\n<ul style=\"padding-left: 8px;\">\n<li>&#8220;We strategically integrated only the cell voltage sampling and a high precision amplifier to optimize accuracy, while also enabling system flexibility,\u201d said Tim Leung, Business Manager at Maxim Integrated. \u201cWith a flexible battery-management system (BMS) design that can be reused from 3 to 16 channels, we enable optimized front-end solutions based on individual system requirements and cost. This also provides a time-to-market advantage.&#8221;<\/li>\n<li>&#8220;Battery management solutions are growing 10% a year due to the need for secure power for cloud servers. Maxim\u2019s new solution fills a need for that market where cost and time to market is becoming more important,\u201d said Susie Inouye, Research Director at Databeans, a market research firm tracking power management.<\/li>\n<\/ul>\n<p>Availability, Pricing, and Temperature Range:<\/p>\n<p><strong>MAX14920<\/strong><\/p>\n<ul style=\"padding-left: 8px;\">\n<li>Available in a 64-pin (10mm x 10mm) TQFP package.<\/li>\n<li>Pricing starts at $5.04 (1000-up, FOB USA).<\/li>\n<\/ul>\n<p><strong>MAX14921<\/strong><\/p>\n<ul style=\"padding-left: 8px;\">\n<li>Available in an 80-pin (12mm x 12mm) TQFP package.<\/li>\n<li>Pricing starts at $6.15 (1000-up, FOB USA).<\/li>\n<\/ul>\n<p>Both devices operate over the -40\u00b0C to +85\u00b0C extended temperature range.<\/p>\n<p><strong>About Maxim Integrated<\/strong><\/p>\n<p>At Maxim Integrated, we put analog together in a way that sets our customers apart. In Fiscal 2012, we reported revenues of $2.4 billion. Follow Maxim Integrated on Twitter at https:\/\/twitter.com\/Maxim_IC and on Facebook at http:\/\/www.facebook.com\/Maxim.IC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>High-accuracy AFEs integrate simultaneous cell voltage sampling to improve state-of-charge prediction and maximize battery pack longevity. Bangalore, India\u2013April 25, 2013\u2013 Maxim Integrated Products, Inc. (NASDAQ: MXIM) announced it is sampling the MAX14920\/MAX14921, high-accuracy, 12\/16-channel cell-measurement analog front-ends (AFEs) that lower battery-management electronics costs by up to 35%. These devices double the accuracy of cell voltage [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":119,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Maxim Integrated\u2019s 12\/16-Channel Analog Front-Ends (AFEs) Double Accuracy While Reducing Battery-Management Systems Cost by up to 35% - Electronics Maker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/electronicsmaker.com\/maxim-integrateds-1216-channel-analog-front-ends-afes-double-accuracy-while-reducing-battery-management-systems-cost-by-up-to-35\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maxim Integrated\u2019s 12\/16-Channel Analog Front-Ends (AFEs) Double Accuracy While Reducing Battery-Management Systems Cost by up to 35% - Electronics Maker\" \/>\n<meta property=\"og:description\" content=\"High-accuracy AFEs integrate simultaneous cell voltage sampling to improve state-of-charge prediction and maximize battery pack longevity. Bangalore, India\u2013April 25, 2013\u2013 Maxim Integrated Products, Inc. (NASDAQ: MXIM) announced it is sampling the MAX14920\/MAX14921, high-accuracy, 12\/16-channel cell-measurement analog front-ends (AFEs) that lower battery-management electronics costs by up to 35%. 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