BQ25886
- High-efficiency 2-A, 1.5-MHz switch mode boost charger
- 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
- Optimized for USB input and 2-cell Li-Ion battery
- Single input to support USB input adapters
- Supports 4.3-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
- Input current limit (500 mA to 3.3 A) to support USB2.0, USB3.0 standard adapters
- Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
- Standalone function with PowerPath management
- Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
- Narrow VDC (NVDC) PowerPath management
- Instant-on works with no battery or deeply discharged battery
- Ideal diode operation in battery supplement mode
- Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
- Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
- Adjustable input current limit with ILIM pin
- Input current optimizer (ICO) to maximize input power without overloading adapters
- High integration includes all MOSFETs, current sensing and loop compensation
- High accuracy
- ±0.5% Charge voltage regulation
- ±5% Charge current regulation
- ±7.5% Input current regulation
- Safety
- Battery temperature sensing in charge
- Thermal regulation and thermal shutdown
The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.
관심 가지실만한 유사 제품
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
기술 문서
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모두 보기3 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | BQ25886 Standalone 2-Cell, 2-A Boost-Mode Battery Charger With PowerPath, USB BC1.2 Detection, and USB On-The-Go Boost (OTG) datasheet (Rev. A) | PDF | HTML | 2019/06/10 |
| Technical article | 4 Reasons why you should use a boost charger for 2-cell battery application | PDF | HTML | 2019/04/03 | |
| User guide | BQ25886 QFN boost-mode battery charger evaluation module | 2019/02/05 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
BQ25886EVM — 전원 경로를 지원하는 독립형 부스트 배터리 충전기 평가 모듈
A charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25886 evaluation module (EVM) is used for the BQ25886, a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with power path for 2s Li-Ion and Li-polymer battery. The (...)
사용 설명서: PDF
인터페이스 어댑터
EV2400 — 배터리 연료(가스) 게이지용 USB 기반 PC 인터페이스 평가 모듈
The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)
사용 설명서: PDF
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| VQFN (RGE) | 24 | 옵션 보기 |
주문 및 품질
포함된 정보:
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
포함된 정보:
- 팹 위치
- 조립 위치
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.