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    首页产品索引BQ24070

    BQ24070

    购买收藏
    单片充电和系统电源路径管理 IC

    制造商:TI

    产品信息

    描述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.特性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

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    BQ24070RHLTG4TIIC CHARGE/PWR MGMT SNGL 20-QFN 立即购买
    BQ24070RHLRG4TIIC CHARGE/PWR MGMT SNGL 20-QFN 立即购买
    BQ24070RHLTTIIC BATT CHARGER LI-ION 20QFN 立即购买
    BQ24070RHLRTIIC充电/PWRMGMT SNGL VQFN20 立即购买

    技术资料

    标题类型大小(KB)下载
    2Q 2016 Analog Applications Journal IssuePDF2048 点击下载
    Battery-charging considerations for low-power applicationsPDF366 点击下载
    Selecting the Best bq2407x/23x Single Cell Battery Charger for your Application PDF27 点击下载
    Improving battery safety, charging, and fuel gauging in portable media appsPDF570 点击下载
    Q1 2009 Issue Analog Applications Journal PDF1426 点击下载

    应用案例更多案例

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