{"id":26741,"date":"2023-12-12T09:15:00","date_gmt":"2023-12-12T09:15:00","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=26741"},"modified":"2023-12-07T15:05:05","modified_gmt":"2023-12-07T15:05:05","slug":"shunt-based-sensing-solution-added-to-automotive-current-sensor","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/shunt-based-sensing-solution-added-to-automotive-current-sensor\/","title":{"rendered":"Shunt-based sensing solution added to automotive current sensor"},"content":{"rendered":"\n

Melexis<\/a><\/strong> launches the new MLX91231, increasing its automotive current sensor range by adding a shunt-based sensing solution. Meeting functional safety requirements, this IVT (current, voltage, and temperature) device combines high accuracy with the intelligence and flexibility of a digital microcontroller unit (MCU). The MLX91231 is tailored for DCDC converters, battery terminal sensors, low and high-voltage power distribution, and disconnection devices.<\/p>\n\n\n\n

The accurate measurement of low-voltage electronics within vehicles has always been a crucial factor for maintaining system performance and safety.<\/p>\n\n\n\n

The intelligence in vehicles increases while at the same time, a greater number of low-voltage Advanced Driver Assistance System functions is added. These functions rely on low-voltage. This triggers a growing demand for high-performance, safe, and reliable current & voltage sensors.<\/p>\n\n\n\n

The MLX91231 delivers excellent accuracy, featuring a lower than \u00b10.25% sensitivity drift error over temperature and lifetime and a 1.5\u03bcV input referred offset drift error over the same conditions. It allows closer monitoring and therefore greater optimisation of low-voltage systems, such as DC\/DC converters, battery terminal sensors (BTS), and power distribution & monitoring in zonal infrastructure. The MLX91231 exhibits exceptional output stability and EMC resilience, making it ideal for deployment in even the harshest of automotive environments.<\/p>\n\n\n\n

By utilising an integrated MCU, the MLX91231 delivers advanced functionalities beyond just current measurement. Supplied by a regulated 5V or directly by 12V battery, this IVT sensor provides the current, voltage, and junction temperature readout via a selectable LIN or UART output. An important feature provided by the MCU is the presence of built-in diagnosable overcurrent detection (OCD). This enables the safe and simple triggering of pyro fuses without the need to develop a complicated safety mechanism. The MLX91231 is ASIL B(D) compliant as per ISO 26262 and supports system-level integration up to ASIL D.<\/p>\n\n\n\n

The custom software design of the MLX91231 is consistent with existing and future Melexis solutions. With its platform approach, Melexis provides familiarity and allows software reuse, while the availability of a dedicated solution streamlines development time and reduces costs. Furthermore, the MLX91231 features a compact 8-pin SOIC packaging which simplifies the system integration.<\/p>\n","protected":false},"excerpt":{"rendered":"

Melexis launches the new MLX91231, increasing its automotive current sensor range by adding a shunt-based sensing solution. Meeting functional safety requirements, this IVT (current, voltage, and temperature) device combines high accuracy with the intelligence and flexibility of a digital microcontroller unit (MCU). The MLX91231 is tailored for DCDC converters, battery terminal sensors, low and high-voltage …<\/p>\n","protected":false},"author":1,"featured_media":26742,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[922,11033,12442],"class_list":["post-26741","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-electronics","tag-melexis","tag-mlx91231","tag-smart-shunt-solutions"],"yoast_head":"\nShunt-based sensing solution added to automotive current sensor - Engineer News Network<\/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:\/\/www.engineernewsnetwork.com\/blog\/shunt-based-sensing-solution-added-to-automotive-current-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shunt-based sensing solution added to automotive current sensor - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"Melexis launches the new MLX91231, increasing its automotive current sensor range by adding a shunt-based sensing solution. Meeting functional safety requirements, this IVT (current, voltage, and temperature) device combines high accuracy with the intelligence and flexibility of a digital microcontroller unit (MCU). 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