홈 배터리 관리 IC 배터리 충전기 IC
홈
배터리 관리 IC
배터리 충전기 IC

BQ24620

활성

리튬 인산염 배터리를 위한 독립형 1~7셀 벅 배터리 충전 컨트롤러

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데이터 시트

BQ24620

활성
지금 주문하기

제품 상세 정보

Rating Catalog Number of series cells 1, 2, 3, 4, 5, 6, 7 Cell chemistry Lithium Phosphate/LiFePO4 Charge current (max) (A) 10 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 5 Vin (max) (V) 28 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 1.8 Battery charge voltage (max) (V) 26 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1, 2, 3, 4, 5, 6, 7 Cell chemistry Lithium Phosphate/LiFePO4 Charge current (max) (A) 10 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 5 Vin (max) (V) 28 Absolute max Vin (max) (V) 33 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 1.8 Battery charge voltage (max) (V) 26 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
VQFN (RVA) 16 12.25 mm² (3.5 mm × 3.5 mm)
  • 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
  • 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.

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.
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기술 자료

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2개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 bq24620 Stand-Alone Synchronous Switched-Mode Lithium Phosphate Battery Charger With Low Iq datasheet (Rev. B) PDF | HTML 2015. 6. 17
애플리케이션 노트 BQ241xx/BQ246xx Selection of Multi-Cell Standalone Switching Battery Chargers 2019. 12. 31

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 (...)

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계산 툴

SLUC175 — bq246xx Calculation Tool V1.5

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VQFN (RVA) 16 Ultra Librarian
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