TPS61194
- Input voltage operating range 4.5 V to 40 V
- Four high-precision current sinks
- Current matching 1% (typical)
- LED string current up to 100 ma per channel
- Outputs can be combined externally for higher current per string
- High dimming ratio of 10 000:1 at 100 Hz
- Integrated boost/SEPIC converter for led string power
- Output voltage up to 45 V
- Switching frequency 300 kHz to 2.2 MHz
- Switching synchronization input
- Spread spectrum for lower EMI
- Extensive fault detection features
- Fault output
- Input voltage OVP and UVLO
- Open and shorted LED fault detection
- Thermal shutdown
- Minimum number of external components
The TPS61194 is a high-efficiency, low-EMI, easy-to-use LED driver with flexibility to support a wide range of applications. It has four high-precision current sinks that can be combined for higher current capability.
The TPS61194 has an integrated DC-DC supporting both boost and SEPIC mode operation. The converter has adaptive output voltage control based on the LED current sink headroom voltages. This feature minimizes the power consumption by adjusting the voltage to lowest sufficient level in all conditions. For EMI control the DC-DC converter supports spread spectrum for switching frequency and an external synchronization with dedicated pin.
The TPS61194 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61194 integrates extensive fault detection features. The device supports PWM brightness dimming ratio of 10 000:1 for 100-Hz input PWM frequency.
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS61194 High-Performance Four-Channel LED Driver datasheet (Rev. D) | PDF | HTML | 2021/05/27 |
| Application note | Some Guidelines and Tips for the LED Driver Application | 2019/08/14 | ||
| EVM User's guide | Using the TPS61194xEVM Evaluation Module | 2016/01/05 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS61194EVM — TPS61194 4채널 LED 드라이버 평가 모듈
The TPS61194EVM evaluation module (EVM) helps designers evaluate the operation and performance of this device. The TPS61194EVM uses the TPS61194 to drive up to 4 LED strings (up to 12 LEDs each, 36 LEDs together) for LCD backlighting with high efficiency. Information about output (...)
TPS61194 Boost and SEPIC Unencrypted PSpice Transient Model Package (Rev. B)
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 |
|---|---|---|
| HTSSOP (PWP) | 20 | 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
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.