{"id":11687,"date":"2024-03-22T12:48:35","date_gmt":"2024-03-22T04:48:35","guid":{"rendered":"https:\/\/www.mateksys.com\/?post_type=portfolio&#038;p=11687"},"modified":"2026-01-29T16:38:08","modified_gmt":"2026-01-29T08:38:08","slug":"i2c-ina-bm","status":"publish","type":"portfolio","link":"https:\/\/www.mateksys.com\/?portfolio=i2c-ina-bm","title":{"rendered":"Ultra-Precise I2C Power Monitor, I2C-INA-BM"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lu3l8zji-1318a0729bec9c4baae8f258b7d86da0\">\n#top .av-special-heading.av-lu3l8zji-1318a0729bec9c4baae8f258b7d86da0{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lu3l8zji-1318a0729bec9c4baae8f258b7d86da0 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lu3l8zji-1318a0729bec9c4baae8f258b7d86da0 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lu3l8zji-1318a0729bec9c4baae8f258b7d86da0 av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-0  el_before_av_slideshow  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Ultra-Precise I2C Power Monitor,I2C-INA-BM<\/h2><div class='av-subheading av-subheading_below'><p>Current 0~204.8A, Voltage 0~85V, I2C interface<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='avia-slideshow av-lu3lb7a0-ba1d1ae60c0992441fa7e36c1dbe409e avia-slideshow-featured_large av_slideshow avia-slide-slider  avia-builder-el-1  el_after_av_heading  el_before_av_tab_container  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 40%;'><li  class='avia-slideshow-slide av-lu3lb7a0-ba1d1ae60c0992441fa7e36c1dbe409e__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img fetchpriority=\"high\" class=\"wp-image-11691 avia-img-lazy-loading-not-11691\"  src='https:\/\/www.mateksys.com\/wp-content\/uploads\/2024\/03\/I2C-INA-BM_1.jpg' width='1500' height='600' title='I2C-INA-BM_1' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div>\n<div  class='tabcontainer av-lu3m0b1j-d8b197c35f345a8c7d3c7441870310b5 top_tab  avia-builder-el-2  el_after_av_slideshow  avia-builder-el-last ' role='tablist'>\n<section class='av_tab_section av_tab_section av-lu3lcj4h-1b49cc538d2e16b916fdf63fd1ba2d36'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab active_tab' role='tab' tabindex='0' data-fake-id='#tab-id-1' aria-controls='tab-id-1-content'  itemprop=\"headline\" >Gallery<\/div><div id='tab-id-1-content' class='tab_content active_tab_content' aria-hidden=\"false\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11692\" src=\"https:\/\/www.mateksys.com\/wp-content\/uploads\/2024\/03\/I2C-INA-BM_2.jpg\" alt=\"\" width=\"1500\" height=\"600\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11689\" src=\"https:\/\/www.mateksys.com\/wp-content\/uploads\/2024\/03\/I2C-INA-BM_w.jpg\" alt=\"\" width=\"1500\" height=\"1720\" \/><\/p>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-lu3m0ai7-3fbe1bafeba2fe6b6eccc2706ec61799'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab' role='tab' tabindex='0' data-fake-id='#tab-id-2' aria-controls='tab-id-2-content'  itemprop=\"headline\" >Specifications<\/div><div id='tab-id-2-content' class='tab_content' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li>I2C-INA-BM is an ultra-precise digital power monitor based on TI INA228.<\/li>\n<li>The resistance of this conductive path is 200 \u03bc\u03a9 typical, providing low power loss in the application.<\/li>\n<li>Support 3x I2C-INA-BM on one I2C bus in parallel.<\/li>\n<li>No calibration required,\u00a0 Flight controller with ArduPilot fw can easily get accurate current &amp; bus voltage readouts via I2C bus.<\/li>\n<\/ul>\n<h3><strong>Specifications<\/strong><\/h3>\n<ul>\n<li>INA228 85-V, 20-Bit, Ultra-Precise Power monitor IC With I2C Interface<\/li>\n<li>Battery Voltage sense input: 0~85V<\/li>\n<li>Current Sense Range:\u00a0 0~204.8A<\/li>\n<li>Load current on current sensing resistor:\u00a0 150A(Continuous),\u00a0 204.8A(Burst)<\/li>\n<li>Voltage accuracy: \u00b1 0.1%<\/li>\n<li>Current accuracy: \u00b1 2%<\/li>\n<li>Interface: I2C\u00a0 (Decimalism Address 69 by default, 68 and 65 options)<\/li>\n<\/ul>\n<ul>\n<li>Power supply for I2C-INA-BM board : 4~9V\u00a0 @5V pad\/pin<\/li>\n<li>Power consumption: 1mA<\/li>\n<li>LED Red, 3.3V indicator<\/li>\n<li><span data-slate-fragment=\"JTdCJTIyb2JqZWN0JTIyJTNBJTIyZG9jdW1lbnQlMjIlMkMlMjJkYXRhJTIyJTNBJTdCJTdEJTJDJTIybm9kZXMlMjIlM0ElNUIlN0IlMjJvYmplY3QlMjIlM0ElMjJibG9jayUyMiUyQyUyMnR5cGUlMjIlM0ElMjJwYXJhZ3JhcGglMjIlMkMlMjJpc1ZvaWQlMjIlM0FmYWxzZSUyQyUyMmRhdGElMjIlM0ElN0IlN0QlMkMlMjJub2RlcyUyMiUzQSU1QiU3QiUyMm9iamVjdCUyMiUzQSUyMnRleHQlMjIlMkMlMjJsZWF2ZXMlMjIlM0ElNUIlN0IlMjJvYmplY3QlMjIlM0ElMjJsZWFmJTIyJTJDJTIydGV4dCUyMiUzQSUyMk9wZXJhdGluZyUyMFRlbXBlcmF0dXJlcyUyMiUyQyUyMm1hcmtzJTIyJTNBJTVCJTVEJTdEJTVEJTdEJTVEJTdEJTVEJTdE\">Operating Temperatures: -40~125 \u00b0C<\/span><\/li>\n<\/ul>\n<ul>\n<li>Physical\n<ul>\n<li>Board Size: 27mm*20mm*6mm.\u00a0 4g<\/li>\n<li>3D file : <a href=\"..\/Downloads\/other\/I2C-INA-BM_step.zip\" target=\"_blank\" rel=\"noopener\">I2C-INA-BM_STEP.zip<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Parameters\n<ul>\n<li>BATT*_MONITOR\u00a0 -&gt;21 (INA2XX)<\/li>\n<li>BATT*_I2C_ADDR -&gt; 0 (or 69, 68, 65)<\/li>\n<li>BATT*_I2C_BUS\u00a0 \u00a0-&gt; 0\/1\/2 , depends on the FC I2C bus connected<\/li>\n<li>BATT*_SHUNT\u00a0 \u00a0-&gt; 0.0002<\/li>\n<li>BATT*_MAX_AMPS\u00a0 -&gt; 204.8<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>Packing<\/strong><\/h3>\n<ul>\n<li>1x I2C-INA-BM board<\/li>\n<li>1x JST-GH-4P to JST-GH-4P 20cm silicon wire<\/li>\n<\/ul>\n<h3><strong>Tips<\/strong><\/h3>\n<ul>\n<li>The big pad on the bottom side is a dead pad. No any circuit network on it.<\/li>\n<li>Solder the positive wires as close as possible to both sides of the current sensing resistor.<\/li>\n<li><strong>Compatible with ArduPilot firmware only now.<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":11690,"comment_status":"closed","ping_status":"closed","template":"","tags":[101,228,227],"portfolio_entries":[175,226,246],"class_list":["post-11687","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","tag-current-sensor","tag-ina228","tag-power-monitor","portfolio_entries-ardupilot","portfolio_entries-hv","portfolio_entries-sensors"],"_links":{"self":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/11687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/types\/portfolio"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11687"}],"version-history":[{"count":2,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/11687\/revisions"}],"predecessor-version":[{"id":13195,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/11687\/revisions\/13195"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/media\/11690"}],"wp:attachment":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11687"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11687"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fportfolio_entries&post=11687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}