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电池管理 IC
电池充电器 IC

BQ24080

已停产

具有交流存在指示和充电使能端单节 1A 锂离子电池充电器

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BQ24080 不再投入量产
此产品不再投入生产。新设计应考虑替代产品。
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功能与比较器件相同但引脚有所不同。
BQ25170 正在供货 适用于单节锂离子和磷酸铁锂电池的 800mA 线性电池充电器 This product is an 800-mA, single cell Li-Ion and LiFePO4 battery linear charger with programmable charge voltage
功能与比较器件相似。
BQ24040 正在供货 具有 4.2V VBAT 和温度感应功能的独立型单节电池 1A 线性电池充电器 This product is a 1-A, standalone, single-cell Li-Ion battery charger in a 2x2mm package.

BQ24080

已停产
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产品详情

Rating Catalog Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Charge current (max) (A) 1 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 4.5 Vin (max) (V) 6.5 Absolute max Vin (max) (V) 7 Control topology Linear Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Control interface 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) 1 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 4.5 Vin (max) (V) 6.5 Absolute max Vin (max) (V) 7 Control topology Linear Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Control interface Standalone (RC-Settable) Operating temperature range (°C) -40 to 85
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • Integrated Power FET and Current Sensor for Up to 1-A Charge Applications From AC Adapter
  • Precharge Conditioning With Safety Timer
  • Charge and Power-Good Status Output
  • Automatic Sleep Mode for Low Power Consumption
  • Integrated Charge-Current Monitor
  • Fixed 7-Hour Fast Charge Safety Timer
  • Ideal for Low-Dropout Charger Designs for Single-Cell Li-Ion or Li-Pol Packs in Space-Limited Portable Applications
  • Small 3.00-mm × 3.00-mm VSON Package
  • Integrated Power FET and Current Sensor for Up to 1-A Charge Applications From AC Adapter
  • Precharge Conditioning With Safety Timer
  • Charge and Power-Good Status Output
  • Automatic Sleep Mode for Low Power Consumption
  • Integrated Charge-Current Monitor
  • Fixed 7-Hour Fast Charge Safety Timer
  • Ideal for Low-Dropout Charger Designs for Single-Cell Li-Ion or Li-Pol Packs in Space-Limited Portable Applications
  • Small 3.00-mm × 3.00-mm VSON Package

The bq24080 and bq24081 are highly integrated and flexible Li-Ion linear charge devices targeted at space-limited charger applications. They offer an integrated power FET and current sensor, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device. An external resistor sets the magnitude of the charge current.

The device charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety for charge termination. The device automatically restarts the charge if the battery voltage falls below an internal threshold. The device automatically enters sleep mode when the ac adapter is removed.

The bq24080 and bq24081 are highly integrated and flexible Li-Ion linear charge devices targeted at space-limited charger applications. They offer an integrated power FET and current sensor, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device. An external resistor sets the magnitude of the charge current.

The device charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety for charge termination. The device automatically restarts the charge if the battery voltage falls below an internal threshold. The device automatically enters sleep mode when the ac adapter is removed.
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* 数据表 BQ24080, BQ24081 1-A, Single-Chip, Li-Ion and Li-Pol Charger IC 数据表 (Rev. F) PDF | HTML 2017-5-8

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