SC824中文资料单细胞锂离子电池充电器三模式与定时器和NTC数据手册Semtech规格书

描述 Description

The SC824 is a single input triple mode (adapter/USB High, USB Low) linear single-cell Li-Ion battery charger in a 10 lead 2x2 (mm) MLPD ultra-thin package.

特性 Features

·Single input 30V protected charger
·Adapter, USB\tHigh, USB Low modes
·Charging by current regulation, voltage\tregulation,and thermal limiting
·Programmable\tcurrents from 70mA to 1A
·Fast-charge current regulation — 15%\tat 70mA,9% at 700mA
·Constant voltage — 4.2V, 1%\tregulation
·Input voltage protection30V
· \tCurrent-limited adapter support capability — reduces power dissipation in\tcharger IC
·USB modes automatically reduce charge current if \tneeded to prevent USB Vbus overload
·Instantaneous CC-to-CV\ttransition for faster charging
·Battery temperature NTC\tthermistor interface
·Multi-stage charge timer for safety and\talternativetermination, IEEE Std. 1725-2006 compliant
· \tTermination on current or timer — first to occur
·Soft-start\treduces adapter or USB load transients
·High operating voltage\trange permits use of unregulated adapters
·Complies with CCSA\tYD/T 1591-2006
·High-current USB Dedicated Charger compatible
· \tUltra-thin 2x2x0.6 (mm) MLPD package
\t·Lead-free and halogen-free
·WEEE and RoHS compliant

应用 Application

·Mobile phones
·Personal Media Players
·Personal Navigation Devices