{"id":2549,"date":"2024-01-10T20:23:25","date_gmt":"2024-01-10T20:23:25","guid":{"rendered":"https:\/\/electronicspro.pk\/index.php\/product\/a6271klptr-1-led-driver-ic-1-output-dc-dc-controller-sepic-step-down-buck-step-up-boost-analog-pwm-dimming-16-etssop-ep\/"},"modified":"2024-01-10T20:23:25","modified_gmt":"2024-01-10T20:23:25","slug":"a6271klptr-1-led-driver-ic-1-output-dc-dc-controller-sepic-step-down-buck-step-up-boost-analog-pwm-dimming-16-etssop-ep","status":"publish","type":"product","link":"https:\/\/electronicspro.pk\/index.php\/product\/a6271klptr-1-led-driver-ic-1-output-dc-dc-controller-sepic-step-down-buck-step-up-boost-analog-pwm-dimming-16-etssop-ep\/","title":{"rendered":"A6271klptr-1 Led Driver Ic 1 Output Dc Dc Controller Sepic, Step-down (buck), Step-up (boost) Analog, Pwm Dimming &#8211; 16-etssop-ep"},"content":{"rendered":"<p>The A6271-1 is a DC-DC converter controller, providing a programmable constant-current output for driving high-power LEDs in series. The controller is based on a programmable fixed-frequency, peak current-mode control architecture. The DC-DC converter can be configured in a myriad of different switching configurations including boost, buck-boost, buck (ground-referenced switch), and SEPIC.<\/p>\n<p>The A6271-1 provides a cost-effective solution using an external logic-level MOSFET and minimum additional external components. The maximum LED current is set with a single external sense resistor and can be accurately modulated using a current reference input (analog control). External PWM dimming is possible via the PWMIN input, which also provides a shutdown mode. As an alternative, an internal PWM dimming circuit can be used by programming the PWMIN and DR pins. Either PWM scheme controls the PWMOUT output which drives an external p-channel MOSFET connected in series with the LED string. This MOSFET is also used to isolate the load during certain fault conditions, including output shorts to ground.<\/p>\n<p>The A6271-1 has been carefully designed to minimize electromagnetic emissions through distributed decoupling and an externally programmable frequency dither circuit configured for the EMI specification CISPR 25. It is also possible to program the fundamental switching frequency below 150 kHz where most EMI standards begin. The A6271-1 has a comprehensive set of integrated protection<\/p>\n<h2>FEATURES AND BENEFITS;<\/h2>\n<ul>\n<li>Automotive AEC-Q100 qualified<\/li>\n<li>\u2022 Constant-current LED drive<\/li>\n<li>\u2022 4.2 to 50 V supply<\/li>\n<li>\u2022 53.3 V maximum LED string voltage<\/li>\n<li>\u2022 Boost, buck-boost, buck, and SEPIC switching converters<\/li>\n<li>\u2022 Programmable switching frequency 70 to 700 kHz<\/li>\n<li>\u2022 PWM-controlled PMOS driver allows accurate LED<\/li>\n<li>current control at low duty cycles<\/li>\n<li>\u2022 Dimming via external PWM, internal PWM and\/or<\/li>\n<li>analog dimming<\/li>\n<li>\u2022 Frequency dither scheme for effective spread spectrum to<\/li>\n<li>reduce EMI<\/li>\n<li>\u2022 Comprehensive fault protection and fault flag<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The A6271-1 is a DC-DC converter controller, providing a programmable constant-current output for driving high-power LEDs in series. The controller is based on a programmable fixed-frequency, peak current-mode control architecture. The DC-DC converter can be configured in a myriad of different switching configurations including boost, buck-boost, buck (ground-referenced switch), and SEPIC. The A6271-1 provides a [&hellip;]<\/p>\n","protected":false},"featured_media":8569,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[5839,5896],"product_tag":[2197,2198,382,530],"class_list":{"0":"post-2549","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-consumer-electronics-online-shopping-in-pakistan","7":"product_cat-stock-clearance-lots","8":"product_tag-car-repair","9":"product_tag-dc-dc","10":"product_tag-dc-to-dc","11":"product_tag-smps","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.9 (Yoast SEO v22.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A6271klptr-1 Led Driver Ic 1 Output Dc Dc Controller Sepic, Step-down (buck), Step-up (boost) Analog, Pwm Dimming - 16-etssop-ep - Educational arduino<\/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:\/\/electronicspro.pk\/index.php\/product\/a6271klptr-1-led-driver-ic-1-output-dc-dc-controller-sepic-step-down-buck-step-up-boost-analog-pwm-dimming-16-etssop-ep\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A6271klptr-1 Led Driver Ic 1 Output Dc Dc Controller Sepic, Step-down (buck), Step-up (boost) Analog, Pwm Dimming - 16-etssop-ep\" \/>\n<meta property=\"og:description\" content=\"The A6271-1 is a DC-DC converter controller, providing a programmable constant-current output for driving high-power LEDs in series. 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