TPS2377-1
- Auto-Retry After Current-Limit Fault
- TPS2375-1: IEEE 802.3af Thresholds
- TPS2377-1: Legacy Thresholds
- Fully Supports IEEE 802.3af Specification
- Integrated 0.58-Ω, 100-V, Low-Side Switch
- 15-kV System Level ESD Capable
- Programmable Inrush Current Control
- Fixed 450-mA Current Limit
- Open-Drain, Power-Good Reporting
- 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 TPS2375-1 and TPS2377-1 are second generation PDCs (PD Controllers) featuring a 100-V ratings and true open-drain, power-good function. These devices are auto-retry versions of selected TPS2375 family members. Information on the TPS2375/6/7 devices can be found on the TPS2375/6/7 data sheet (SLVS525A).
In addition to the basic functions of detection, classification, and undervoltage lockout (UVLO), these controllers include an adjustable inrush limiting feature. The TPS2375-1 has 802.3af-compliant UVLO limits, and the TPS2377-1 has legacy UVLO limits.
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
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 | |
|---|---|---|---|---|---|---|
| * | 데이터 시트 | IEEE 802.3af PoE Powered Device Controllers With Auto-Retry datasheet (Rev. A) | 2008. 4. 25 | |||
| 애플리케이션 노트 | PoE Powered Devices Debug Guidelines | PDF | HTML | 2021. 7. 19 | |||
| 애플리케이션 노트 | PoE PD Schematic Review Guidelines | PDF | HTML | 2021. 4. 29 | |||
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 | ||||
| 애플리케이션 노트 | Designing an EMI Compliant PoE with Isolated Flyback | 2008. 5. 20 | ||||
| 애플리케이션 노트 | Practical Guidelines EMI Compliant PoE | 2008. 3. 27 | ||||
| 애플리케이션 노트 | High Power PoE PD Using the TPS2375/77-1 | 2006. 2. 28 |
설계 및 개발
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.