TPS65233
- Complete Integration Solution for LNB and I2C
- DiSEqC 1.x Compatible
- Supports 5-V and 12-V Power Bus
- Up to 1000-mA Accurate Output Current Limit
Adjustable by External Resistor and I2C - Boost Converter With Low
Rdson Internal Power Switch - Dedicated Enable Pin for
Non-I2C Application - Low Noise, Low Drop Output With
Push-Pull Output Stage - Built-In Accurate 22-kHz Tone Generator
or External Pin - Adjustable Soft-Start and 13-V/18-V Voltage
Transition Time - Compliant with main satellite receiver systems
Specifications - LNB Short Circuit Dynamic Pprotection
- Diagnostics for Output Voltage Level,
Input Supply UVLO, and DiSEqC Tone Output - Cable Disconnect Diagnostic
- Available in a 16-Pin QFN 3-mm × 3-mm (RTE) Package
Designed for analog and digital satellite receivers, the TPS65233 is a monolithic voltage regulator with I2C interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. It offers a complete solution with very low component count, low power dissipation together with simple design and I2C standard interfacing.
TPS65233 features high power efficiency. The boost converter integrates a 120-mΩ power MOSFET running at 500-kHz switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65233 provides multiple ways to generate the 22-kHz signal. Integrated linear regulator with push-pull output stage generates clean 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear regulator can be programmed by external resistor with ±10% accuracy. Full range of diagnostic read by I2C is available for system monitoring.
The part is available in a 16-pin QFN 3-mm × 3-mm (RTE) package.
관심 가지실만한 유사 제품
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | LNB Voltage Regulator With I2C Interface datasheet (Rev. A) | 2013. 9. 24 | ||
| 애플리케이션 노트 | LNB design considerations on TPS65233, TPS65235 | PDF | HTML | 2017. 9. 25 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS65233EVM — TPS65233 I2C 인터페이스를 지원하는 LNB 전압 레귤레이터 평가 모듈
SLVC515 — TPS65233
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| WQFN (RTE) | 16 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.