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Product Overview
The TPS23757PW is a highly integrated Power over Ethernet (PoE) Powered Device (PD) controller from Texas Instruments. It complies with IEEE 802.3at standard (PoE+) and supports up to 25W of power delivery. Housed in a compact 20-pin TSSOP package, it integrates a hot-swap MOSFET, DC-DC converter controller, and advanced power management features, making it ideal for high-power PoE applications such as IP cameras, wireless access points, and industrial sensors.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
0V to 57V |
| PoE Standard |
IEEE 802.3at (PoE+) |
| Maximum Power |
25W |
| Switching Frequency |
250kHz (typical) |
| Package |
20-TSSOP |
| Operating Temperature |
-40°C to +125°C |
| Hot-Swap MOSFET |
Integrated |
| DC-DC Controller |
Integrated |
| Protection Features |
Overcurrent, Overtemperature, UVLO |
Key Features
- IEEE 802.3at compliant PD interface
- Integrated 0.5Ω hot-swap MOSFET
- Integrated DC-DC controller with programmable frequency
- Supports 2-event classification for PoE+
- Programmable UVLO and inrush current limit
- Thermal shutdown protection
- Small 20-TSSOP package for space-constrained designs
Target Applications
- IP cameras (e.g., Hikvision DS-2CD2T47G2-L)
- Wireless access points (e.g., Cisco Catalyst 9105AXI)
- 5G small cell base stations (e.g., Nokia AirScale)
- Industrial sensors and actuators
- PoE lighting systems
- Building automation controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS23757PW. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
TPS23757PW 是德州儀器 (TI) 推出的一款高度集成的以太網供電 (PoE) 受電設備 (PD) 控制器。它符合 IEEE 802.3at 標準 (PoE+),支持高達 25W 的功率傳輸。該器件採用緊湊的 20 引腳 TSSOP 封裝,集成了熱插拔 MOSFET、DC-DC 轉換器控制器和高級電源管理功能,非常適合高功率 PoE 應用,如 IP 攝像機、無線接入點和工業傳感器。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
0V 至 57V |
| PoE 標準 |
IEEE 802.3at (PoE+) |
| 最大功率 |
25W |
| 開關頻率 |
250kHz (典型值) |
| 封裝 |
20-TSSOP |
| 工作溫度 |
-40°C 至 +125°C |
| 熱插拔 MOSFET |
集成 |
| DC-DC 控制器 |
集成 |
| 保護功能 |
過流、過溫、欠壓鎖定 |
核心特性
- 符合 IEEE 802.3at 標準的 PD 接口
- 集成 0.5Ω 熱插拔 MOSFET
- 集成 DC-DC 控制器,頻率可編程
- 支持 PoE+ 的 2 事件分類
- 可編程欠壓鎖定和浪湧電流限制
- 熱關斷保護
- 小型 20-TSSOP 封裝,節省空間
典型應用場景
- IP 攝像機 (例如 Hikvision DS-2CD2T47G2-L)
- 無線接入點 (例如 Cisco Catalyst 9105AXI)
- 5G 小型基站 (例如 Nokia AirScale)
- 工業傳感器和執行器
- PoE 照明系統
- 樓宇自動化控制器
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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