{"id":5173,"date":"2026-06-09T10:11:58","date_gmt":"2026-06-09T10:11:58","guid":{"rendered":"https:\/\/materialparts.com\/tps53319dq\/"},"modified":"2026-06-09T10:11:58","modified_gmt":"2026-06-09T10:11:58","slug":"tps53319dq","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tps53319dq\/","title":{"rendered":"TPS53319DQ"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The TPS53319DQ from Texas Instruments is a 14A high-efficiency synchronous buck converter with D-CAP mode control, 1.5V to 22V input, and Eco-Mode for server\/telecom POL applications.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<table>\n<tr>\n<td>\u5236\u9020\u5546<\/td>\n<td>\u5fb7\u5dde\u4eea\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u62d3\u6251\u7ed3\u6784<\/td>\n<td>Synchronous Buck<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u5165\u7535\u538b<\/td>\n<td>1.5V to 22V (VDD 4.5-25V)<\/td>\n<\/tr>\n<tr>\n<td>Output Voltage<\/td>\n<td>0.6V to 5.5V<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u51fa\u7535\u6d41<\/td>\n<td>14A continuous<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u5173\u9891\u7387<\/td>\n<td>250kHz to 1MHz (resistor set)<\/td>\n<\/tr>\n<tr>\n<td>\u63a7\u5236\u6a21\u5f0f<\/td>\n<td>D-CAP + adaptive on-time<\/td>\n<\/tr>\n<tr>\n<td>Efficiency<\/td>\n<td>91% at 12V to 1.5V, 14A<\/td>\n<\/tr>\n<tr>\n<td>\u5173\u673a\u7535\u6d41<\/td>\n<td>&lt;110 uA<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5<\/td>\n<td>QFN-22 (5x6mm, PowerPAD)<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-40 to +85 C<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Product Overview The TPS53319DQ from Texas Instruments is a 14A high-efficiency synchronous buck converter with D-CAP mode control, 1.5V to 22V input, and Eco-Mode for server\/telecom POL applications. Key Specifications Manufacturer Texas Instruments Topology Synchronous Buck Input Voltage 1.5V to 22V (VDD 4.5-25V) Output Voltage 0.6V to 5.5V Output Current 14A continuous Switching Frequency 250kHz [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,13],"tags":[],"chip_brand":[138],"class_list":["post-5173","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"14A sync buck, 1.5-22V in, D-CAP+Eco-Mode, QFN-22","date_code":"","package_case":"QFN-22 (5.0 x 6.0 x 0.9mm, PowerPAD)","in_stock":3824,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps53319.pdf","price":"$3.73 @ 1ku","product_introduction":"The TPS53319DQ from Texas Instruments is a 14A synchronous buck converter with D-CAP mode for fast transient response without external compensation. Adaptive on-time maintains near-constant frequency. Eco-Mode skips pulses at light loads. 91% peak efficiency at 12V to 1.5V 14A.","working_principle":"D-CAP mode compares VOUT directly against 0.6V reference via comparator, eliminating error amplifier and compensation. Adaptive on-time adjusts based on VIN\/VOUT ratio. Eco-Mode skips switching at light load. Integrated bootstrap switch and 5V LDO simplify design.","pin_description":"<table><tr><th>Pin Group<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>Power<\/td><td>VIN\/SW\/BOOT\/VDD<\/td><td>Input, switch, bootstrap<\/td><\/tr><tr><td>Control<\/td><td>VFB\/RF\/MODE<\/td><td>Feedback, freq set, mode<\/td><\/tr><tr><td>Status<\/td><td>PGOOD\/EN\/SS<\/td><td>Power good, enable, soft-start<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Server CPU\/GPU core voltage<\/li><li>Telecom blade POL converters<\/li><li>High-current FPGA\/ASIC power<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Notes<\/th><\/tr><tr><td>TI<\/td><td>TPS53318DQ<\/td><td>8A version<\/td><\/tr><tr><td>Infineon<\/td><td>IR38164MTRPBF<\/td><td>Similar POL<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5173"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5173\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5173"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}