TPS92314A
- Regulates LED Current Without Secondary Side Sensing
- Adaptive ON-time Control with Inherent PFC
- Critical-Conduction-Mode (CRM) with Zero-Current Detection (ZCD) for Valley Switching
- Programmable Switch Turn ON Delay
- Programmable Constant ON-Time (COT)
- Over Current Limit Options:
- TPS92314: 1.15V
- TPS92314A: 2.0V
- Advanced Over Current and Over Voltage Protection
- Internal Over-temperature Protection
- 8-Pin SOIC Package
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The TPS92314/14A is an off-line controller specifically designed to drive high power LEDs for lighting applications. Features include adaptive constant on-time control and quasi-resonant switching. Resonant switching allows for a reduced EMI signature and increased system efficiency. Thus, the device introduces a low external parts count and high level of integration. The control algorithm of TPS92314/14A adjusts the on time with reference to the primary side inductor peak current and secondary side inductor discharge time dynamically, the response time of which is set by an external capacitor.
The over current protection is implemented by a cycle by cycle current limit of the primary inductor current. TPS92314A has a higher OCP threshold which is more suitable for universal line application and TPS92314 can optimize the system cost. Other supervisory features of the TPS92314/14A include VCC over voltage protection and under-voltage lockout, output LEDs over-voltage protection and controller thermal shutdown. The TPS92314/14A is available in 8-pin SOIC package.
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS92314 Off-Line Primary Side Sensing Controller with PFC datasheet (Rev. B) | 2013/05/01 | |
| White paper | Common LED Functions and LED Driver Design Considerations | 2020/09/21 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
| EVM User's guide | Using the TPS92314A19120VEVM (Rev. A) | 2013/02/07 | ||
| EVM User's guide | Using the TPS92314A19230VEVM (Rev. A) | 2013/02/07 |
설계 및 개발
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TPS92314A19120VEVM — TPS92314A19120VEVM PFC를 지원하는 오프라인 1차측 감지 컨트롤러 평가 모듈 보드
Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board LED Lighting Application
The TPS92314A19120VEVM evaluation module uses the TPS92314 as an isolated PFC flyback controller; more specifically it is an isolated primary-side controlled critical conduction mode PFC flyback. The (...)TPS92314A19230VEVM — TPS92314A19230VEVM PFC를 지원하는 오프라인 1차측 감지 컨트롤러 평가 모듈 보드
Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board LED Lighting Application
The TPS92314 family of general LED lighting PWM controllers contain control and drive circuitry required for off-line isolated or non-isolated LED lighting applications. The TPS92314A19230VEVM (...)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 |
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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