BQ2972
- Input voltage range pack+: VSS – 0.3V to 12V
- FET drive:
- CHG and DSG FET drive output
- Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5mV (typical)
- Fault detection
- Overcharge detection (OVP)
- Over-discharge detection (UVP)
- Charge overcurrent detection (OCC)
- Discharge overcurrent detection (OCD)
- Load short-circuit detection (SCP)
- Zero voltage charging for depleted battery
- Factory programmed fault protection thresholds
- Fault detection voltage thresholds
- Fault trigger timers
- Fault recovery timers
- Modes of operation without battery charger enabled
- NORMAL mode ICC = 4µA
- Shutdown Iq = 100nA
- Operating temperature range TA = –40°C to +85°C
- Package:
- 6-pin DSE (1.50mm × 1.50mm × 0.75mm)
The BQ2970 battery cell protection device provides an accurate monitor and trigger threshold for overcurrent protection during high discharge/charge current operation or battery overcharge conditions.
The BQ2970 device provides the protection functions for Li-ion/Li-polymer cells, and monitors across the external power FETs for protection due to high charge or discharge currents. In addition, there is overcharge and depleted battery monitoring and protection. These features are implemented with low current consumption in NORMAL mode operation.
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single-Cell Li-Ion and Li-Polymer Batteries datasheet (Rev. I) | PDF | HTML | 2024/08/02 |
| Technical article | Overcoming common design challenges in an UV sterilization box system | PDF | HTML | 2020/07/27 | |
| Technical article | Accelerate your electric mask design | PDF | HTML | 2020/07/01 | |
| Technical article | Get smart: How intelligent battery gauges improve battery life in continuous gluco | PDF | HTML | 2019/04/19 | |
| Technical article | Battery-charging tips for video doorbell applications | PDF | HTML | 2019/04/15 | |
| Application brief | Benefits of Battery Gauges and Protectors in Medical Applications | PDF | HTML | 2018/07/02 | |
| EVM User's guide | bq29700 EVM User’s Guide | 2014/03/04 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
BQ29700EVM-610 — 단일 셀 배터리 보호 IC 평가 모듈
The bq29700EVM is a complete evaluation system for the bq297xx family of single cell battery protection ICs. The EVM includes one bq29700-based circuit module.The bq29700-based circuit module is a complete and compact example solution of a bq29700 single cell battery protection IC. The circuit (...)
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| WSON (DSE) | 6 | 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.