TPS2375
- Fully Supports IEEE 802.3af Specification
- Integrated 0.58-Ω, 100-V, Low-Side Switch
- 15-kV System Level ESD Capable
- Supports Use of Low-Cost Silicon Rectifiers
- Programmable Inrush Current Control
- Fixed 450-mA Current Limit
- Fixed and Adjustable UVLO Options
- Open-Drain, Power-Good Reporting
- Overtemperature Protection
- Industrial Temperature Range: –40°C to 85°C
- 8-Pin SOIC and TSSOP Packages
- APPLICATIONS
- VoIP Phones
- WLAN Access Points
- Security Cameras
- Internet Appliances
- POS Terminals
These easy-to-use 8-pin integrated circuits contain all of the features needed to develop an IEEE 802.3af compliant powered device (PD). The TPS2375 family is a second generation PDC (PD Controller) featuring 100-V ratings and a true open-drain, power-good function.
In addition to the basic functions of detection, classification and undervoltage lockout (UVLO), these controllers include an adjustable inrush limiting feature. The TPS2375 has 802.3af compliant UVLO limits, the TPS2377 has legacy UVLO limits, and the TPS2376 has a programmable UVLO with a dedicated input pin.
The TPS2375 family specifications incorporate a voltage offset of 1.5 V between its limits and the IEEE 802.3af specifications to accommodate the required input diode bridges used to make the PD polarity insensitive.
Additional resources can be found on the TI Web site www.ti.com.
기술 자료
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | TPS237x: IEEE 802.3af PoE Powered Device Controllers datasheet (Rev. B) | 2008/04/25 | |
Application note | PoE Powered Devices Debug Guidelines | PDF | HTML | 2021/07/19 | |
Application note | PoE PD Schematic Review Guidelines | PDF | HTML | 2021/04/29 | |
Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
Application note | Lightning Surge Considerations for PoE Powered Devices | 2015/04/30 | ||
Application note | Designing an EMI Compliant PoE with Isolated Flyback | 2008/05/20 | ||
Application note | Practical Guidelines EMI Compliant PoE | 2008/03/27 | ||
Application note | 25-W, High-Power PoE Using the TPS2376-H | 2006/10/13 | ||
Application note | Using Standard Power-Over-Ethernet Controllers for High-Powered Devices | 2006/04/07 | ||
Application note | High Power PoE PD Using the TPS2375/77-1 | 2006/02/28 | ||
Application note | Wall Adapter Powers IEEE 802.3af Powered Device | 2006/02/01 | ||
Application note | Powered Device Controllers Comparison | 2004/04/22 |
설계 및 개발
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TPS2375EVM — TPS2375 IEEE802.3af POE 전원 장치 평가 모듈
The HPA028 EVM features the TPS2375 from Texas Instruments Incorporated. The EVM is designed to look like the front end of any Power Over Ethernet (PoE) Powered Device (PD) module. An RJ-45 connector is provided to connect directly to an Ethernet cable having a Power Sourcing Equipment (PSE) (...)
TPS2375OR77CALC — TPS2375/TPS2377 Design-in Calculation Tool
지원되는 제품 및 하드웨어
제품
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하드웨어 개발
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PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®
TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 (...)
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
TSSOP (PW) | 8 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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