TPS8802
- Photo Chamber AFE
- Dual 8-bit programmable current LED drivers
- Temperature compensation of LED current
- Ultra-low offset op-amp for photodiodes
- Programmable and bypassable gain stage
- Carbon Monoxide Sensor AFE
- Ultra-low offset gain stage
- Programmable gain and reference
- Horn Driver
- Self-resonant driver for three-terminal piezos
- PWM support for voice on two-terminal piezos
- Power Management
- Programmable LDO for external microcontroller
- Boost converter for horn, interconnect
- Interconnection bus for multi-alarm communication
- Ultra-low power consumption
- I2C serial interface
- Programmable battery test load
The TPS8802 integrates all of the regulators, amplifiers, and drivers required for a dual-wave photoelectric smoke alarm and carbon monoxide (CO) detection system. Its high flexibility is ideal for smoke alarm systems where precision and power consumption are critical.
The wide input voltage range combined with low standby power consumption and power-saving features support 10-year battery life operation from a single lithium primary battery. The TPS8802 also supports battery backup smoke alarms, seamlessly remaining powered when the mains supply drops or if the battery is disconnected.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS8802 Smoke Alarm AFE datasheet (Rev. C) | PDF | HTML | 2021. 8. 9 | |
| 애플리케이션 노트 | Dual-Ray Smoke Detector with the TPS8802 and MSPM0 MCUs | PDF | HTML | 2023. 8. 22 | ||
| 애플리케이션 노트 | Achieving 10-Year Battery Life with Smoke Alarm TPS8802 | PDF | HTML | 2021. 10. 4 | ||
| 애플리케이션 노트 | Optimizing SNR in Smoke Alarm Photodiode Front Ends with TPS8802 and TPS8804 | PDF | HTML | 2021. 10. 4 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS8802EVM — TPS8802 가정용 광전 연기/CO 경보용 평가 모듈(EVM)
SLVRBG9 — TPS8802 Power Calculation Spreadsheet
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (DCP) | 38 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.