TPS24770
- 2.5V to 18V Bus Operation (30V abs max)
- Programmable Protection Settings:
- Current Limit: ±5% at 10mV
- Fast Trip: ±10% at 20mV
- Programmable FET SOA Protection
- Programable Response Time for Fast Trip
- Dual Timer (Inrush/Fault)
- Analog Current Monitor (1% at 25mV)
- Programmable UV and OV
- Status Flags for Faults and Power Good
- 4mm × 4mm 24-pin QFN
- 70 = Latch, 71 = Retry, 72 = Fast Latch Off
The TPS2477x is a high performance analog Hot Swap Controller for 2.5 V to 18 V systems. The precise and highly programmable protection settings of the TPS2477x aid the design of high power high availability systems where isolating faults is critical.
Programmable current limit, fast shut down, and fault timer protect the load and supply during fault conditions such as a hot - short. The fast shutdown threshold can be tuned to ensure a fast response to real faults, while avoiding nuisance trips. Programmable Safe Operating Area (SOA) protection and the inrush timer keep the MOSFET safe under all conditions. After asserting power good, TPS2477x acts as a circuit breaker and runs the fault timer during over current events, but doesn’t current limit. It shuts down after the fault timer expires. Two independent timers (inrush/fault) allow the user to customize protection based on system requirements.
Finally, the flexibility of the TPS2477x aid Hot Swap design for the 240 VA requirement and a design example is shown in the datasheet.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS2477x 2.5 to 18-V High Performance Hot Swap datasheet | PDF | HTML | 2015. 3. 3 | |
| 애플리케이션 노트 | Basics of Power Switches (Rev. A) | PDF | HTML | 2019. 4. 26 | ||
| 기술 문서 | Simplify robust hot-swap design using design calculator tools | PDF | HTML | 2016. 3. 4 | ||
| 선택 가이드 | Hot Swap Selection Tool | 2015. 7. 28 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS24772EVM-685 — 고성능 핫 스왑 애플리케이션을 위한 TPS24772 EVM
The TPS24772EVM-685 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS24772 2.5V to 18V High Performance Hot-Swap controller. The EVM contains header connectors for easy connection to external test and application circuitry.
TPS24770 Unencrypted PSpice Transient Model Package (Rev. A)
SLVRBE0 — TPS2477x Design Calculator
TVS-RECOMMENDATION-CALC — TVS diode recommendation tool
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| VQFN (RGE) | 24 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.