{"product_id":"ti-tps23881rtqt-56-vqfn-8x8","title":"TPS23881RTQT TI PoE PSE Controller | 56-VQFN (8x8) | 4-Pair, 90W, IEEE 802.3bt","description":"\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px;\n            border-bottom:1px solid #f0f0f0; padding-bottom:20px;\"\u003e\n  \u003cspan style=\"background:#f3e5f5; color:#7b1fa2; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #e1bee7;\"\u003e🧪 SAMPLE SUPPORT\u003c\/span\u003e\n  \u003cspan style=\"background:#e8f5e9; color:#2e7d32; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #c8e6c9;\"\u003e✅ 100% Original \u0026amp; Traceable\u003c\/span\u003e\n  \u003cspan style=\"background:#e3f2fd; color:#1565c0; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #bbdefb;\"\u003e🚀 Inquiry Today, Ship Today\u003c\/span\u003e\n  \u003cspan style=\"background:#fff3e0; color:#ef6c00; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #ffe0b2;\"\u003e🛡️ Escrow.com Secured Payment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe TPS23881RTQT is a highly integrated, quad-channel Power over Ethernet (PoE) Power Sourcing Equipment (PSE) controller from Texas Instruments. It supports IEEE 802.3bt (PoE++) standard, delivering up to 90W per port over 4-pair Ethernet cables. Housed in a compact 56-pin VQFN (8x8 mm) package, it is designed for high-density PoE applications such as switches, routers, and midspans. The device integrates four independent PSE channels with advanced power management, including per-port current sensing, programmable power limits, and support for both 2-pair and 4-pair configurations. With its robust protection features and I2C interface for monitoring and control, the TPS23881RTQT simplifies the design of compliant and efficient PoE systems.\u003c\/p\u003e\u003ch2\u003eDetailed Technical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoE Standard\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3bt (PoE++), 802.3at (PoE+), 802.3af (PoE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power per Port\u003c\/td\u003e\n\u003ctd\u003eUp to 90W (4-pair), 30W (2-pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e44V to 57V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e56-VQFN (8x8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI2C (up to 400 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eOvercurrent, overtemperature, short-circuit, undervoltage lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey Features\u003c\/td\u003e\n\u003ctd\u003ePer-port current monitoring, programmable power limit, 4-pair support, autonomous operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eQuad-channel PSE controller with IEEE 802.3bt compliance\u003c\/li\u003e\n\u003cli\u003eSupports 4-pair power delivery up to 90W per port\u003c\/li\u003e\n\u003cli\u003eIntegrated power MOSFETs with low RDS(on)\u003c\/li\u003e\n\u003cli\u003ePer-port current sensing and programmable power limits\u003c\/li\u003e\n\u003cli\u003eI2C interface for real-time monitoring and configuration\u003c\/li\u003e\n\u003cli\u003eAutonomous operation with hardware-based detection and classification\u003c\/li\u003e\n\u003cli\u003eAdvanced protection: overcurrent, overtemperature, short-circuit, UVLO\u003c\/li\u003e\n\u003cli\u003eCompact 56-VQFN package for space-constrained designs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTarget Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e5G base stations (e.g., remote radio units)\u003c\/li\u003e\n\u003cli\u003eIndustrial switches and routers (e.g., Cisco Catalyst 9200)\u003c\/li\u003e\n\u003cli\u003ePoE midspans and injectors (e.g., for IP cameras)\u003c\/li\u003e\n\u003cli\u003eSmart building controllers (e.g., lighting, HVAC)\u003c\/li\u003e\n\u003cli\u003eAutomotive infotainment and dashboard systems\u003c\/li\u003e\n\u003cli\u003eMedical devices (e.g., patient monitoring systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  Global Supply Chain \u0026amp; Wholesale Solutions\n\u003c\/h2\u003e\n\u003cp\u003eAt Jasin Chip, we provide professional supply chain and wholesale solutions for\n\u003cstrong\u003eTPS23881RTQT\u003c\/strong\u003e. Our core advantages include:\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24\/7 Global Customer Support:\u003c\/strong\u003e Professional team providing instant\n      quotes and technical support worldwide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn-stock Inventory, Same-day Shipping:\u003c\/strong\u003e We maintain localized stock;\n      orders confirmed before 4 PM are shipped the same day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHK-SZ Synergy, Flexible Settlement:\u003c\/strong\u003e Direct global shipping from\n      Shenzhen with support for HK bank transfers and multi-currency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEscrow Secured Transactions:\u003c\/strong\u003e We support Escrow.com for secure\n      transactions, ensuring peace of mind for batch orders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBOM Kitting \u0026amp; Sampling Services:\u003c\/strong\u003e Specialized sourcing for\n      testing samples and urgent shortage components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  Quality Assurance \u0026amp; Compliance\n\u003c\/h2\u003e\n\u003cp\u003eJasin Chip guarantees that all delivered products are 100% original factory stock\nwith full quality assurance and traceability.\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Original \u0026amp; Authentic:\u003c\/strong\u003e All components are guaranteed to\n      be authentic with strict quality control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e All electronic components comply with international\n      environmental and safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOriginal Factory Packaging:\u003c\/strong\u003e We maintain original factory packaging\n      and seals to ensure ESD protection and physical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin:50px 0; border:0; border-top:2px dashed #eee;\"\u003e\n\u003ch2\u003e產品概述\u003c\/h2\u003e\u003cp\u003eTPS23881RTQT 是德州儀器（TI）推出的一款高度集成的四通道以太網供電（PoE）電源設備（PSE）控制器。它支持 IEEE 802.3bt（PoE++）標準，通過四對以太網電纜可提供高達 90W 的端口功率。該器件採用緊湊的 56 引腳 VQFN（8x8 mm）封裝，專為高密度 PoE 應用（如交換機、路由器和中跨設備）而設計。它集成了四個獨立的 PSE 通道，具有先進的電源管理功能，包括每端口電流檢測、可編程功率限制以及對兩對和四對配置的支持。憑藉強大的保護功能和用於監控與控制的 I2C 接口，TPS23881RTQT 簡化了合規且高效的 PoE 系統設計。\u003c\/p\u003e\u003ch2\u003e詳細技術參數\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e參數\u003c\/th\u003e\n\u003cth\u003e數值\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e通道數\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoE 標準\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3bt (PoE++), 802.3at (PoE+), 802.3af (PoE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e每端口輸出功率\u003c\/td\u003e\n\u003ctd\u003e最高 90W（四對），30W（兩對）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e輸入電壓範圍\u003c\/td\u003e\n\u003ctd\u003e44V 至 57V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e工作溫度\u003c\/td\u003e\n\u003ctd\u003e-40°C 至 +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e封裝\u003c\/td\u003e\n\u003ctd\u003e56-VQFN（8x8 mm）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e接口\u003c\/td\u003e\n\u003ctd\u003eI2C（最高 400 kHz）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e保護功能\u003c\/td\u003e\n\u003ctd\u003e過流、過溫、短路、欠壓鎖定\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e主要特性\u003c\/td\u003e\n\u003ctd\u003e每端口電流監控、可編程功率限制、四對支持、自主運行\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003e核心特性\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e四通道 PSE 控制器，符合 IEEE 802.3bt 標準\u003c\/li\u003e\n\u003cli\u003e支持四對供電，每端口最高 90W\u003c\/li\u003e\n\u003cli\u003e集成低導通電阻的功率 MOSFET\u003c\/li\u003e\n\u003cli\u003e每端口電流檢測和可編程功率限制\u003c\/li\u003e\n\u003cli\u003eI2C 接口，用於實時監控和配置\u003c\/li\u003e\n\u003cli\u003e基於硬件的檢測和分類，支持自主運行\u003c\/li\u003e\n\u003cli\u003e先進保護：過流、過溫、短路、欠壓鎖定\u003c\/li\u003e\n\u003cli\u003e緊湊的 56-VQFN 封裝，適合空間受限的設計\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e典型應用場景\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e5G 基站（例如遠程無線單元）\u003c\/li\u003e\n\u003cli\u003e工業交換機和路由器（例如 Cisco Catalyst 9200）\u003c\/li\u003e\n\u003cli\u003ePoE 中跨和注入器（例如用於 IP 攝像機）\u003c\/li\u003e\n\u003cli\u003e智能樓宇控制器（例如照明、暖通空調）\u003c\/li\u003e\n\u003cli\u003e汽車信息娛樂和儀表板系統\u003c\/li\u003e\n\u003cli\u003e醫療設備（例如病人監護系統）\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  環球供應鏈與批發合作夥伴方案\n\u003c\/h2\u003e\n\u003cp\u003e在 Jasin Chip，我們為 \u003cstrong\u003eTPS23881RTQT\u003c\/strong\u003e 提供全面的供應鏈與批發解決方案。\n我們的核心優勢包括：\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e全天候環球客戶支援：\u003c\/strong\u003e專業團隊為您提供即時報價及技術支援，無需漫長等待。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e現貨庫存，即日發貨：\u003c\/strong\u003e確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e深港聯動，結算靈活：\u003c\/strong\u003e深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEscrow 擔保交易：\u003c\/strong\u003e支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBOM 配單與樣板服務：\u003c\/strong\u003e提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  品質保證與合規\n\u003c\/h2\u003e\n\u003cp\u003eJasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% 原廠正貨：\u003c\/strong\u003e承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e符合 RoHS 認證：\u003c\/strong\u003e所有電子元器件均符合國際環保標準及相關安全認證。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e原廠封裝保護：\u003c\/strong\u003e嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:14px; color:#666;\"\u003e以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。\u003c\/p\u003e\n\n\u003cdiv style=\"margin:25px 0; padding:15px; border:1px solid #eee;\n            border-left:5px solid #2c3e50; background-color:#fcfcfc;\"\u003e\n  \u003cstrong style=\"font-size:16px; color:#2c3e50;\"\u003e🔥 熱門型號推薦 \/ Hot Related Models:\u003c\/strong\u003e\u003cbr\u003e\n  \u003cp style=\"margin-top:10px; color:#666; font-size:14px; line-height:1.8; word-break:break-all;\"\u003e\n    TPS259573DSGT | TPS62874B4QWRZVRQ1 | TPS62228DDCT | DRV8220DRLR | INA286AQDGKRQ1 | INA139QPWRG4Q1 | REG711EA-2.5\/250 | TPS23758RJJT | LP87521ERNFTQ1\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#2c3e50; color:white; padding:35px; text-align:center; border-radius:8px; margin:40px 0;\"\u003e\n  \u003ch3 style=\"margin:0; color:white; font-size:22px;\"\u003e獲取報價或技術手冊 \/ Need Batch Quote or Datasheet?\u003c\/h3\u003e\n  \u003cp style=\"margin:15px 0 25px 0; font-size:15px; color:#bdc3c7;\"\u003e\n    Our team provides competitive wholesale pricing for \u003cstrong\u003eTPS23881RTQT\u003c\/strong\u003e.\n  \u003c\/p\u003e\n  \u003cdiv style=\"display:flex; justify-content:center; gap:15px;\"\u003e\n    \u003ca href=\"https:\/\/wa.me\/85252099691\" target=\"_blank\" rel=\"noopener\" style=\"background:#f39c12; color:white; padding:14px 35px; text-decoration:none;\n              border-radius:5px; font-weight:bold; font-size:16px;\"\u003e\n      立即諮詢 \/ Inquiry Now\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px; color:#7f8c8d; text-align:center; line-height:1.6; margin-top:40px;\"\u003e\n  \u003cstrong\u003eHONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED\u003c\/strong\u003e\u003cbr\u003e\n  Trusted Partner for Automotive, Industrial, and Hard-to-find Components.\u003cbr\u003e\n  WhatsApp: +852 5209 9691 | Email: jason@jasinchip.com.hk\n\u003c\/p\u003e\n","brand":"TI","offers":[{"title":"Default Title","offer_id":51716122312920,"sku":"ti-tps23881rtqt-56-vqfn-8x8","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/1446\/9592\/files\/296_7E4222809_7ERTQ_7E56_1123d0f4-37ae-41e2-8841-98f6f7ca1747.jpg?v=1779753827","url":"https:\/\/www.jasinchip.com.hk\/products\/ti-tps23881rtqt-56-vqfn-8x8","provider":"HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED","version":"1.0","type":"link"}