{"id":7143,"date":"2021-10-08T01:04:31","date_gmt":"2021-10-08T08:04:31","guid":{"rendered":"http:\/\/localhost\/kinetic\/?page_id=7143"},"modified":"2026-06-23T11:37:33","modified_gmt":"2026-06-23T11:37:33","slug":"ktd2041","status":"publish","type":"page","link":"https:\/\/pinakinnsoft.com\/kinetic\/ktd2041\/","title":{"rendered":"KTD2041"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7143\" class=\"elementor elementor-7143\">\n\t\t\t\t<div class=\" elementor-element elementor-element-16c11eb3 e-flex e-con-boxed section-light e-con e-parent\" data-id=\"16c11eb3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46e0b51b elementor-widget elementor-widget-text-editor\" data-id=\"46e0b51b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"prod-button-list\">\n\t\t                <a class=\"downloadpdfico\" href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/KTD2041-04c.pdf\">Datasheet<\/a>\n                        \n        <div style=\"clear: both;\"><\/div>\n    <\/div>\n    <div id=\"evk-list\" style=\"display: none;\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n        \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59f021f1 product-tab elementor-widget elementor-widget-crafto-tabs\" data-id=\"59f021f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"crafto-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"crafto-tabs tab-style-5\">\n\t\t\t\t<div class=\"crafto-container-wrap\">\t\t\t\t<ul class=\"nav nav-tabs alt-font\">\n\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-1cde123 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link active\" data-bs-toggle=\"tab\" href=\"#tab-15089095531\">\n\t\t\t\t\t\t\t\t\tDescription\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-94313d9 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-15089095532\">\n\t\t\t\t\t\t\t\t\tFeatures\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-a056022 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-15089095533\">\n\t\t\t\t\t\t\t\t\tApplications\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-69a0953 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-15089095534\">\n\t\t\t\t\t\t\t\t\tPackaging Information\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-2240fa1 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-15089095535\">\n\t\t\t\t\t\t\t\t\tTechnical Documentation\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-ca1f584 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-15089095536\">\n\t\t\t\t\t\t\t\t\tPurchase\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\t\t\t<div class=\"tab-content\">\n\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095531\" class=\"tab-pane fade in active show\">\n\t\t\t\t\t\t\t<p>The KTD2041 is an ideal power solution for IR LED driver with an integrated buck regulator. It has 9 high- precision current sinks that can be independently controlled via I<sup>2<\/sup>C interface.<\/p>\n<p>The buck regulator has an input voltage operating range from 2.7V to 5.5V to accommodate 1-cell lithium- ion batteries or 5V voltage rail. It has adaptive output voltage control based on the headroom voltages of the LED current sinks to minimize the power consumption. It has integrated high-side and low-side power FET. The buck regulator features advanced adaptive On- Time control with 1MHz switching frequency, which minimizes external component counts and allows the use of a very small inductor and capacitor.<\/p>\n<p>The KTD2041 has 9 built-in current sinks, which features independent On\/Off control and 6-bit independent current dimming via I<sup>2<\/sup>C interface. The KTD2041 has extensive built-in protection features including cycle-by-cycle current limit, input undervoltage Lockout (UVLO), output over-voltage protection, LED fault (open or short) protection and thermal shutdown protection.<\/p>\n<p>The KTD2041 is available in a RoHS and Green compliant 3mm x 3mm UQFN package.<\/p>\n\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/KTD2041_typ_app_dia_01.png\" class=\"gallery-image\" data-elementor-open-lightbox=\"yes\"\n   data-elementor-lightbox-slideshow=\"0\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/KTD2041_typ_app_dia_01.png\" alt=\"\" \/>\n\t\t<\/a>\n\t\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/UQFN23-20_UAC_3D_01-1.png\" class=\"gallery-image\" data-elementor-open-lightbox=\"yes\"\n   data-elementor-lightbox-slideshow=\"0\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/UQFN23-20_UAC_3D_01-1.png\" alt=\"\" \/>\n\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095532\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>Overvoltage Protection<\/li>\n<li>Nine High-Precision Current Sinks\n<ul>\n<li>LED Current Up to 32mA per Channel<\/li>\n<li>\u00b11% Typical Current Matching<\/li>\n<li>\u00b12% Typical Current Accuracy at 32mA<\/li>\n<li>6-bit Current Dimming Control with I<sup>2<\/sup>C<\/li>\n<li>Independent On\/Off Control<\/li>\n<li>Supports both Independent and Global Dimming<\/li>\n<\/ul>\n<\/li>\n<li>High Efficiency Buck Regulator\n<ul>\n<li>Integrated 200m\u03a9 \/ 100m\u03a9 High \/ Low-Side FET<\/li>\n<li>Adaptive On-Time Control with default 1MHz Switching Frequency, with factory programmable 1.5MHz, 2MHz, and 2.5MHz options<\/li>\n<li>Adaptive VOUT Control Based on the Headroom Voltages of the LED Current Sinks<\/li>\n<li>Selectable Auto-Skip Mode or Forced-PWM mode at Light Loads<\/li>\n<\/ul>\n<\/li>\n<li>140\u03bcA Typical No-Load Supply Current<\/li>\n<li>Open-Drain <span style=\"text-decoration: overline\">FAULT<\/span> Signal Output and Fault Reset<\/li>\n<li>Extensive Fault Diagnostics<\/li>\n<li>-40\u00b0C to 85\u00b0C Operating Temperature Range<\/li>\n<li>Small UQFN-20 (3mm x 3mm) Package<\/li>\n<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095533\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>IR LED Drivers<\/li>\n<li>Video Doorbells<\/li>\n<li>Security Camera<\/li>\n<li>IRIS Recognition Cameras<\/li>\n<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095534\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                                <thead>\n\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Package<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Dimensions<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Package Code<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t<\/tr>\n                                 <\/thead>   \n                                 <tbody>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t<td>UQFN33-20<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>3mm x 3mm x 055mm<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>UAC<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t                                    <\/tbody>\n\t\t\t\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095535\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                                <thead>\n\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t<th>Description<\/th>\n\t\t\t\t\t\t\t\t<th>Documents<\/th>\n\t\t\t\t\t\t\t\t<th>Type<\/th>\n\t\t\t\t\t\t\t<\/tr>\n                            <\/thead>\n                            <tbody>\n\t\t\t\t\t\t\t<tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/KTD2041-04c.pdf\" download>Datasheet<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/KTD2041-04c.pdf\" download>KTD2041-04c<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/KTD2041-04c.pdf\" download>PDF<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/UQFN33-20_UAC_POD.pdf\" download>Package Outline Drawing<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/UQFN33-20_UAC_POD.pdf\" download>UQFN33-20 UAC POD<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2041\/UQFN33-20_UAC_POD.pdf\" download>PDF<\/a><\/td><\/tr>                            <\/tbody>\n\t\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-15089095536\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                    <thead>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<th>Purchase Options<\/th>\n\t\t\t\t\t\t<\/tr>\n                        <\/thead>\n                        <tbody>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td><a class=\"icon-digikey\" href=\"https:\/\/www.digikey.com\/en\/products\/detail\/kinetic-technologies\/KTD2041EUAC-TR\/18666709?s=N4IgTCBcDaINIBUAiYAMAWAjAUQKoEEBhAWgQCUQBdAXyA\" target=\"_blank\">Buy from Digi-Key<\/a><\/td>\n\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td><a class=\"icon-mouser\" href=\"https:\/\/www.mouser.com\/ProductDetail\/Kinetic-Technologies\/KTD2041EUAC-TR?qs=4ASt3YYao0V2UnXNW4PsrQ%3D%3D\" target=\"_blank\">Buy from Mouser<\/a><\/td>\n\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t                        <\/tbody>\n\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Description Features Applications Packaging Information Technical Documentation Purchase The KTD2041 is an ideal power solution for IR LED driver with an integrated buck regulator. It has 9 high- precision current sinks that can be independently controlled via I2C interface. The buck regulator has an input voltage operating range from 2.7V to 5.5V to accommodate 1-cell [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"give_campaign_id":0,"footnotes":""},"class_list":["post-7143","page","type-page","status-publish","hentry"],"acf":[],"campaignId":"0","_links":{"self":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/7143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/comments?post=7143"}],"version-history":[{"count":4,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/7143\/revisions"}],"predecessor-version":[{"id":18322,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/7143\/revisions\/18322"}],"wp:attachment":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/media?parent=7143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}