BQ25892
- High efficiency 5-A, 1.5-MHz Switch Mode buck charge
- 93% Charge efficiency at 2 A and 91% charge efficiency at 3-A charge current
- Optimize for high voltage input (9 V to 12 V)
- Low power PFM Mode for light-load operations
- USB On-the-Go (OTG) with adjustable output from 4.5 V to 5.5 V
- Selectable 500-kHz and 1.5-MHz Boost Converter with up-to 2.4-A output
- 93% Boost efficiency at 5 V at 1-A output
- Accurate Hiccup Mode overcurent protection
- Single input to support USB input and adjustable high voltage adapters
- Support 3.9-V to 14-V input voltage range
- Input current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adapters
- Maximum power tracking by input voltage limit up-to 14 V for wide range of adapters
- Auto detect USB SDP, CDP, DCP, and non-standard adapters (BQ25890)
- Input Current Optimizer (ICO) to maximize input power without overloading adapters
- Resistance Compensation (IRCOMP) from charger output to cell terminal
- Highest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 A
- Integrated ADC for system monitor (voltage, temperature, charge current)
- Narrow VDC (NVDC) power path management
- Instant-on works with no battery or deeply discharged battery
- Ideal diode operation in Battery Supplement Mode
- BATFET Control to support Ship Mode, wake up, and full system reset
- Flexible autonomous and I2C Mode for optimal system performance
- High integration includes all MOSFETs, current sensing and loop compensation
- 12-µA Low battery leakage current to support Ship Mode
- High Accuracy
- ±0.5% Charge voltage regulation
- ±5% Charge current regulation
- ±7.5% Input current regulation
- Safety
- Battery temperature sensing for charge and Boost Mode
- Thermal regulation and thermal shutdown
The BQ25890, BQ25892 are highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | BQ25890/2 I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. D) | PDF | HTML | 2022. 10. 12 | |
| 애플리케이션 노트 | Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers | PDF | HTML | 2022. 11. 10 | ||
| 기술 문서 | How to choose the right battery-charger IC for ultrasound point-of-care products | PDF | HTML | 2021. 3. 24 | ||
| 애플리케이션 노트 | Extracting Maximum Power from an Adapter with Input Current Optimization Feature (Rev. C) | 2019. 8. 2 | |||
| 애플리케이션 노트 | Battery Charger Overload Protection in Boost Mode Operation | 2017. 7. 12 | |||
| 아날로그 디자인 학술지 | Faster, cooler charging with dual chargers | 2015. 10. 30 | |||
| 아날로그 디자인 학술지 | 4Q 2015 Analog Applications Journal | 2015. 10. 30 | |||
| 애플리케이션 노트 | Using the bq2589x ADC to Estimate Battery Temperature | 2015. 5. 4 | |||
| 아날로그 디자인 학술지 | Dynamic power management for faster, more efficient battery charging | 2013. 10. 28 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
BQ25892EVM-664 — BQ25892 완전한 충전기 평가 모듈
The bq25892 evaluation module (EVM) is a complete charger module for evaluating the highly-integrated switch-mode battery charge management and system power path management device for 1 cell Li-Ion and Li-polymer battery in a wide range of smartphone and tablet applications.
The BQ25892EVM-664 (...)
BQSTUDIO — bqStudio(Battery Management Studio) 소프트웨어
bqStudio(Battery Management Studio)는 TI 배터리 관리 제품의 평가, 설계, 구성, 테스트 또는 기타 활용 프로세스를 지원하는 견고한 종합 툴을 제공합니다. 여기에는 실시간 감시, 그래프 및 로깅 지원, 명령 전송을 위한 간편한 인터페이스, 직접 저수준 통신 및 I/O, 구성, 보정, 학습 주기 수행, 장치를 생산 단계로 가져가기 위한 유용한 파일 생성 등 레지스터 및 데이터 메모리에 대한 전체 액세스를 제공하는 기능은 물론, 자동화된 가이드 지원도 포함됩니다.
bq20xxx 및 bq30xxx와 같은 (...)
BQ25890SW-LINUX — BQ25890용 Linux 드라이버
The Linux driver supports the BQ25890 5-A fast charger. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.
Linux mainline status
Available in Linux mainline: Yes
Available through git.ti.com: N/A
Linux source Files
The files associated with this (...)
TIDA-00538 — 높은 VIN 및 조정 가능한 USB OTG 부스트를 위한 MaxCharge™ 기술이 적용된 1S 5A 급속 충전기
The bq25892 is a highly-integrated switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery in a wide range of smartphone and other portable devices with USB or high voltage adaptors. Its low impedance power path optimizes (...)
TIDA-00590 — 듀얼 배터리 충전기 IC 레퍼런스 디자인(Cascode 구성에서 연결)
Higher capacity 1S batteries in the latest smartphones and tablets need higher charge currents to charge faster. With 12-V power sources, two 5-A battery charger ICs connected in cascode, parallel configuration can provide more than 5-A charging current. In addition, the heat from the (...)
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| WQFN (RTW) | 24 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.