계산 툴
BQ24620
- 300-kHz NMOS-NMOS Synchronous Buck
Converter - Stand-Alone Charger Designed Specifically for
Lithium Phosphate - 5-V to 28-V VCC Operating Range, Supports 1 to
7 Battery Cells - High-Accuracy Voltage and Current Regulation
- ±0.5% Charge Voltage Accuracy
- ±3% Charge Current Accuracy
- Integration
- Internal Loop Compensation
- Internal Soft Start
- Safety
- Input Overvoltage Protection
- Battery Thermistor Sense Suspend Charge at
Hot/Cold Charge Suspend and Automatically
ICHARGE/8 at WARM/COOL - Battery Detection
- Built-In Safety Timer
- Charge Overcurrent Protection
- Battery Short Protection
- Battery Overvoltage Protection
- Thermal Shutdown
- Status Outputs
- Adapter Present
- Charger Operation Status
- Charge Enable Pin
- 6-V Gate Drive for Synchronous Buck Converter
- 30-ns Driver Dead Time and 99.95% Maximum
Effective Duty Cycle - 16-Pin 3.5-mm × 3.5-mm QFN Package
- Energy Star Low Iq
- < 15-µA Off-State Battery Discharge Current
- < 1.5-mA Off-State Input Quiescent Current
- APPLICATIONS
- Power Tools and Portable Equipment
- Personal Digital Assistants
- Handheld Terminals
- Industrial and Medical Equipment
- Netbooks, Mobile Internet Devices, and
Ultramobile PCs
All other trademarks are the property of their respective owners
The bq24620 device is a highly integrated lithium phosphate switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring.
The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.
기술 자료
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3개 모두 보기 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | bq24620 Stand-Alone Synchronous Switched-Mode Lithium Phosphate Battery Charger With Low Iq datasheet (Rev. B) | PDF | HTML | 2015/06/17 |
| Application note | BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers | 2019/12/31 | ||
| User guide | Multi Cell Synchronous Switch-Mode Charger, EVM (HPA421) | 2010/02/18 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
BQ24620EVM — BQ24620 멀티 셀 동기 스위치 모드 충전기용 평가 모듈
Evaluation Module for bq24600/bq24620/bq24640. the bq24600 is a highly integrated Li-ion or Li-polymer switch-mode battery charge controller. The bq24620 is highly integrated switch-mode battery charge controller designed specifically to charge Lithium Phosphate battery chemistries. The bq24640 is (...)
사용 설명서: PDF
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| VQFN (RVA) | 16 | Ultra Librarian |
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.