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电池充电器 IC

BQ24071

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具有电源路径、稳压输出为 6V 的单节 2A 锂离子线性电池充电器

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open-in-new 比较替代产品
功能与比较器件相同，但引脚排列有所不同
BQ25180 正在供货 采用 WCSP 封装且具有稳压电源路径的 1A 锂离子和磷酸铁锂 I²C 可编程线性充电器 BQ25170 has lower quiescent current and configurable charge voltage.

BQ24071

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产品详情

Vin (min) (V) 4.35 Vin (max) (V) 16 Absolute max Vin (max) (V) 18 Charge current (max) (A) 1.5 Control topology Linear Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Rating Catalog Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Power Path 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
Vin (min) (V) 4.35 Vin (max) (V) 16 Absolute max Vin (max) (V) 18 Charge current (max) (A) 1.5 Control topology Linear Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer Rating Catalog Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Power Path 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
VQFN (RHL) 20 15.75 mm² 4.5 x 3.5
  • Small 3.5-mm × 4.5-mm VQFN Package
  • Designed for Single-Cell Li-Ion- or Li-Polymer-
    Based Portable Applications
  • Integrated Dynamic Power-Path Management (DPPM)
    Feature Allowing the AC Adapter to Simultaneously
    Power the System and Charge the Battery
  • Power Supplement Mode Allows Battery to Supplement
    the AC Input Current
  • Autonomous Power Source Selection (AC Adapter
    or BAT)
  • Supports Up to 2 A Total Current
  • Thermal Regulation for Charge Control
  • Charge Status Outputs for LED or System Interface
    Indicates Charge and Fault Conditions
  • Reverse Current, Short-Circuit, and Thermal
    Protection
  • Power Good Status Outputs
  • 4.4-V and 6-V Options for System Output Regulation
    Voltage
  • Small 3.5-mm × 4.5-mm VQFN Package
  • Designed for Single-Cell Li-Ion- or Li-Polymer-
    Based Portable Applications
  • Integrated Dynamic Power-Path Management (DPPM)
    Feature Allowing the AC Adapter to Simultaneously
    Power the System and Charge the Battery
  • Power Supplement Mode Allows Battery to Supplement
    the AC Input Current
  • Autonomous Power Source Selection (AC Adapter
    or BAT)
  • Supports Up to 2 A Total Current
  • Thermal Regulation for Charge Control
  • Charge Status Outputs for LED or System Interface
    Indicates Charge and Fault Conditions
  • Reverse Current, Short-Circuit, and Thermal
    Protection
  • Power Good Status Outputs
  • 4.4-V and 6-V Options for System Output Regulation
    Voltage

The bq24070 and bq24071 are highly integrated Li-ion linear charger and system power-path management devices targeted at space-limited portable applications. The bq2407x devices offer DC supply (AC adapter) power-path management with autonomous power-source selection, power FETs and current sensors, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device.

The bq2407x devices power the system while independently charging the battery. This feature reduces the charge and discharge cycles on the battery, allows for proper charge termination, and allows the system to run with an absent or defective battery pack. This feature also allows for the system to instantaneously turn on from an external power source in the case of a deeply discharged battery pack. The IC design is focused on supplying continuous power to the system when available from the AC adapter or battery sources.

The bq24070 and bq24071 are highly integrated Li-ion linear charger and system power-path management devices targeted at space-limited portable applications. The bq2407x devices offer DC supply (AC adapter) power-path management with autonomous power-source selection, power FETs and current sensors, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device.

The bq2407x devices power the system while independently charging the battery. This feature reduces the charge and discharge cycles on the battery, allows for proper charge termination, and allows the system to run with an absent or defective battery pack. This feature also allows for the system to instantaneously turn on from an external power source in the case of a deeply discharged battery pack. The IC design is focused on supplying continuous power to the system when available from the AC adapter or battery sources.
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BQ24072 正在供货 具有电源路径、4.2V VBAT 和 VOUT=VBAT + 225mV 的独立型单节 1.5A 线性电池充电器 BQ24072 has battery tracking system output

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类型 标题 下载最新的英语版本 日期
* 数据表 bq2407x Single-Chip Li-Ion Charge and System Power-Path Management IC 数据表 (Rev. G) PDF | HTML 2014年 12月 23日
应用手册 Dynamic Power-Path Mgmt & Dynamic Power Mgmt (Rev. A) 2018年 5月 1日
应用手册 Selecting the Best bq2407x/23x Single Cell Battery Charger for your Application 2012年 11月 8日
用户指南 Power-Path Li-Ion Charger Selection 2008年 10月 17日
用户指南 bq24070 1.5-A Single-Chip Li-Ion & Li-Pol Charge Mgmt IC (Rev. A) 2006年 8月 30日

设计和开发

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评估板

BQ24071EVM — 1.5-A Single-Chip Li-Ion and Li-Pol Charger

The bq24071EVM provides a convenient method for evaluating the performance of a charge managementand system power solution for portable applications using the bq24070/1 productfamily. A completly designed and tested module is presented. The charger is designed to deliver up to 1.5 A of (...)

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VQFN (RHL) 20 Ultra Librarian
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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