{"id":5169,"date":"2020-01-07T11:15:42","date_gmt":"2020-01-07T19:15:42","guid":{"rendered":"http:\/\/localhost\/kinetic\/?page_id=5169"},"modified":"2026-06-23T11:45:06","modified_gmt":"2026-06-23T11:45:06","slug":"ktd2052","status":"publish","type":"page","link":"https:\/\/pinakinnsoft.com\/kinetic\/ktd2052\/","title":{"rendered":"KTD2052"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5169\" class=\"elementor elementor-5169\">\n\t\t\t\t<div class=\" elementor-element elementor-element-79a7238a e-flex e-con-boxed section-light e-con e-parent\" data-id=\"79a7238a\" 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-ee2526e elementor-widget elementor-widget-text-editor\" data-id=\"ee2526e\" 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\/KTD2052\/KTD2052-04d.pdf\">Datasheet<\/a>\n                                            <a class=\"icon-evk\" href=\"https:\/\/pinakinnsoft.com\/kinetic\/ktd2052aevaa-mmev01\/\" rel=\"noopener\">Evaluation Kit<\/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-4afaeef8 product-tab elementor-widget elementor-widget-crafto-tabs\" data-id=\"4afaeef8\" 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-12579591601\">\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-12579591602\">\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-12579591603\">\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-12579591604\">\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-8e6cdf7 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-12579591605\">\n\t\t\t\t\t\t\t\t\tParameters\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-12579591606\">\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-12579591607\">\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-12579591601\" class=\"tab-pane fade in active show\">\n\t\t\t\t\t\t\t<p>The KTD2052 is a fully programmable current regulator for up to four RGB LEDs (12 LEDs total). The device is ideally powered from a supply rail in the 3V to 5V nominal range. A 4-wire bus is multiplexed to reduce the pin-count and PCB traces to the LEDs. Each pin on the bus integrates a switch to the input voltage and a programmable low-dropout current sink regulator.<\/p>\n<p>There are four versions: the KTD2052A\/C are defaulted disabled at initial power-up, while the KTD2052B\/D\/F execute an AutoBreathe<sup>TM<\/sup> pattern by default at initial power-up or when reset. The KTD2052A\/B\/F use 0x74 7-bit I2C slave address, while the KTD2052C\/D use 0x75. See the Ordering Information section.<\/p>\n<p>The I<sup>2<\/sup>C control interface is used to set the on\/off status and individual LED currents, as well as adjust the fade rate. An internal flexible pattern generator with watchdog counter enables set-and-forget pattern executions, while more complex patterns may be executed from system firmware via the I<sup>2<\/sup>C interface.<\/p>\n<p>BrightExtend<sup>TM<\/sup> optionally reduces dropout when the input voltage is too low for the forward voltage of the LEDs. Programmable CoolExtend<sup>TM<\/sup> prevents excessive heat when the input voltage, current settings, and ambient temperature are high.<\/p>\n<p>The KTD2052 is packaged in RoHS and Green compliant 2mm x 2mm UDFN package.<\/p>\n\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/KTD2052A-B_typ_app_dia_01.jpg\" 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\/KTD2052A-B_typ_app_dia_01.jpg\" alt=\"\" \/>\n\t\t<\/a>\n\t\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/UDFN22-8-_TD2052_VAA_3D_SHADOW_01-scaled-1.jpg\" 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\/UDFN22-8-_TD2052_VAA_3D_SHADOW_01-scaled-1.jpg\" 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-12579591602\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>Drives up to 12 LEDs (4 RGBs)<\/li>\n<li>Multiplexed LED Current Driver Outputs\n<ul>\n<li>Only 4 PCB Traces to the LEDs<\/li>\n<li>20.8kHz MUX Frequency Prevents Audio Noise<\/li>\n<\/ul>\n<\/li>\n<li>14 Million Colors\n<ul>\n<li>LED Current: 125\u00b5A to 24mA in 125\u00b5A Steps<\/li>\n<li>Night-Mode: 8\u00b5A to 1.5mA in 8\u00b5A Steps<\/li>\n<li>5% Max. Current Accuracy &amp; Matching<\/li>\n<\/ul>\n<\/li>\n<li>12 Independent Exponential Fade-Engines\n<ul>\n<li>Ultra-Smooth 3072-Step Fade Resolution<\/li>\n<li>3-bit Programmable Fade Rate<\/li>\n<\/ul>\n<\/li>\n<li>Flexible Pattern Generator with Watchdog<\/li>\n<li>Optional AutoBreathe\u2122 Mode (KTD2052B\/D\/F)<\/li>\n<li>Patented BrightExtend\u2122 Technology\n<ul>\n<li>Maintains Color-Accuracy and PSRR for Battery-Powered Applications with Low Vin<\/li>\n<\/ul>\n<\/li>\n<li>Proprietary CoolExtend\u2122 Technology\n<ul>\n<li>2-bit Programmable Maximum Die-Temp<\/li>\n<\/ul>\n<\/li>\n<li>0.4\u00b5A Automatic Shutdown (Standby) Current<\/li>\n<li>1MHz I<sup>2<\/sup>C Serial Interface<\/li>\n<li>2.5V to 5.5V Operating Supply Voltage Range<\/li>\n<li>-40\u00b0C to +85\u00b0C Operating Temperature Range<\/li>\n<li>8 pin UDFN 2x2mm (0.5mm pitch)<\/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-12579591603\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>AI Smart Speakers, Bluetooth \/ WiFi Loudspeakers<\/li>\n<li>Automotive Indicator and Ambiance Lighting<\/li>\n<li>IoT, Gaming, Toys, Indicator \/ Button Lighting<\/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-12579591604\" 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>UDFN22-8<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>2.00mm x 2.00mm x 0.53mm<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>VAA<\/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-12579591605\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n<thead>\n<tr>\n<td><strong>Vin (min)\u00a0<\/strong><\/td>\n<td><strong>Vin (max)\u00a0<\/strong><\/td>\n<td><strong>Number of LEDs\/Channel<\/strong><\/td>\n<td><strong>LED Channels<\/strong><\/td>\n<td><strong>Brightness Control<\/strong><\/td>\n<td><strong>Max. Current per Channel (mA)<\/strong><\/td>\n<td><strong>V(OUT) (V)<\/strong><\/td>\n<td><strong>Accuracy (%)<\/strong><\/td>\n<td><strong>No Load ICC \u2013 Enabled (mA)<\/strong><\/td>\n<td><strong>No Load ICC \u2013 Shutdown (\u00b5A)<\/strong><\/td>\n<td><strong>Dropout (mV)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.7V<\/td>\n<td>5.5V<\/td>\n<td>1<\/td>\n<td>12<\/td>\n<td>I<sup>2<\/sup>C<\/td>\n<td>24<\/td>\n<td>2.5-5.5<\/td>\n<td>\u00b15<\/td>\n<td>1.0 Typ.<\/td>\n<td>0.4 Typ.<\/td>\n<td>210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-12579591606\" 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\/KTD2052\/KTD2052-04d.pdf\" download>Datasheet<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2052\/KTD2052-04d.pdf\" download>KTD2052-04d<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2052\/KTD2052-04d.pdf\" download>PDF<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2052\/UDFN22-8_VAA_POD.pdf\" download>Package Outline Drawing<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2052\/UDFN22-8_VAA_POD.pdf\" download>UDFN22-8 VAA POD<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTD2052\/UDFN22-8_VAA_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-12579591607\" 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<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\/filter\/power-management-pmic\/led-drivers\/745?s=N4IgTCBcDaINYBcAmYAMBWCBdAvkA\" 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\/c\/?q=ktd2052\" 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 Parameters Technical Documentation Purchase The KTD2052 is a fully programmable current regulator for up to four RGB LEDs (12 LEDs total). The device is ideally powered from a supply rail in the 3V to 5V nominal range. A 4-wire bus is multiplexed to reduce the pin-count and PCB traces to [&hellip;]<\/p>\n","protected":false},"author":1,"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-5169","page","type-page","status-publish","hentry"],"acf":[],"campaignId":"0","_links":{"self":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/5169","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/comments?post=5169"}],"version-history":[{"count":4,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/5169\/revisions"}],"predecessor-version":[{"id":18336,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/5169\/revisions\/18336"}],"wp:attachment":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/media?parent=5169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}