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

BQ24250C

활성

SYSOFF 모드에서 1uA를 지원하는 1셀, 2A, I2C 제어 벅 배터리 충전기

지금 주문하기
데이터 시트

BQ24250C

활성
데이터 시트 지금 주문하기

제품 상세 정보

Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 2 Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path Vin (min) (V) 4.35 Vin (max) (V) 10.5 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.44 Control interface I2C, Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 2 Features BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path Vin (min) (V) 4.35 Vin (max) (V) 10.5 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.44 Control interface I2C, Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
DSBGA (YFF) 30 5.71999999999999912 mm² (— mm × — mm)
  • High-efficiency Switch-mode Charger with Separate Power Path
  • Start up System from Deeply Discharged or Missing Battery
  • USB Charging Compliant
    • Selectable Input Current Limit of 100 mA, 500 mA, 900 mA,\
      1.5 A, and 2 A
  • In Host Mode (After I2C Communication Starts and Before
    Watchdog Timer Times Out)
    • Programmable Battery Charge Voltage, VBATREG
    • Programmable Charge Current (ICHG)
    • Programmable Input Current Limit (ILIM)
    • Programmable Input Voltage Based Dynamic Power
      Management threshold, (VIN_DPM)
    • Programmable Input Overvoltage Protection Threshold
      (VOVP)
    • Programmable Safety Timer
  • Resistor Programmable Defaults for:
    • ICHG up to 2 A with Current Monitoring Output
      (ISET)
    • ILIM up to 2 A with Current Monitoring Output (ILIM)
    • VIN_DPM (VDPM)
  • Watchdog Timer Disable Bit
  • Integrated 4.9 V, 50 mA LDO
  • Complete System Level Protection
    • Input UVLO, Input Over-voltage Protection (OVP),
      Battery OVP, Sleep Mode, VIN_DPM
    • Input Current Limit
    • Charge Current Limit
    • Thermal Regulation
    • Thermal Shutdown
    • Voltage Based NTC Monitoring Input
    • Safety Timer
  • 20 V Maximum Input Voltage Rating
  • 10.5 V Maximum Operating Input Voltage
  • Low RDS(on) Integrated Power FETs for up to 2 A
    Charging Rate
  • Open Drain Status Outputs
  • Synchronous Fixed-frequency PWM Controller Operating at
    3MHz for Small Inductor Support
  • Robust Battery Detection Algorithm
  • Charge Time Optimizer for improved charge times at any given
    charge current
  • 2.4 × 2.0 mm 30-ball WCSP Packages
  • High-efficiency Switch-mode Charger with Separate Power Path
  • Start up System from Deeply Discharged or Missing Battery
  • USB Charging Compliant
    • Selectable Input Current Limit of 100 mA, 500 mA, 900 mA,\
      1.5 A, and 2 A
  • In Host Mode (After I2C Communication Starts and Before
    Watchdog Timer Times Out)
    • Programmable Battery Charge Voltage, VBATREG
    • Programmable Charge Current (ICHG)
    • Programmable Input Current Limit (ILIM)
    • Programmable Input Voltage Based Dynamic Power
      Management threshold, (VIN_DPM)
    • Programmable Input Overvoltage Protection Threshold
      (VOVP)
    • Programmable Safety Timer
  • Resistor Programmable Defaults for:
    • ICHG up to 2 A with Current Monitoring Output
      (ISET)
    • ILIM up to 2 A with Current Monitoring Output (ILIM)
    • VIN_DPM (VDPM)
  • Watchdog Timer Disable Bit
  • Integrated 4.9 V, 50 mA LDO
  • Complete System Level Protection
    • Input UVLO, Input Over-voltage Protection (OVP),
      Battery OVP, Sleep Mode, VIN_DPM
    • Input Current Limit
    • Charge Current Limit
    • Thermal Regulation
    • Thermal Shutdown
    • Voltage Based NTC Monitoring Input
    • Safety Timer
  • 20 V Maximum Input Voltage Rating
  • 10.5 V Maximum Operating Input Voltage
  • Low RDS(on) Integrated Power FETs for up to 2 A
    Charging Rate
  • Open Drain Status Outputs
  • Synchronous Fixed-frequency PWM Controller Operating at
    3MHz for Small Inductor Support
  • Robust Battery Detection Algorithm
  • Charge Time Optimizer for improved charge times at any given
    charge current
  • 2.4 × 2.0 mm 30-ball WCSP Packages

The bq24250C is a highly integrated single-cell Li-Ion battery charger and system power-path management device targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either a USB port or AC wall adapter for a versatile solution.

The bq24250C is a highly integrated single-cell Li-Ion battery charger and system power-path management device targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either a USB port or AC wall adapter for a versatile solution.
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* 데이터 시트 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger datasheet PDF | HTML 2014. 4. 16

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

BQ24250EVM-150 — BQ24250EVM-150 단일 입력 I2C/독립형 스위치 모드 리튬 이온 배터리 충전기 평가 모듈

This EVM enables test and evaluation of the Texas Instruments' bq24250/51/57 devices. The bq2425x series are highly integrated single cell Li-Ion battery chargers targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that (...)

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