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SC824ULTRT

更新时间： 2024-09-27 06:10:19
品牌 Logo 应用领域
商升特 - SEMTECH 模拟IC电池信号电路光电二极管
页数 文件大小 规格书
29页 690K
描述
Single-cell Li-Ion Charger Tri-Mode with Timer and NTC

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中文翻译

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SC824ULTRT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：2 X 2 MM, 0.60 MM HEIGHT,HALOGEN FREE AND ROHS COMPLIANT, MLPD-10针数：10
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.77Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-PDSO-N10
JESD-609代码：e3长度：2 mm
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC10,.08,16封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：0.6 mm子类别：Power Management Circuits
最大供电电流 (Isup)：2.5 mA标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：NO LEAD
端子节距：0.4 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2 mm
Base Number Matches：1

SC824ULTRT 数据手册

 浏览型号SC824ULTRT的Datasheet PDF文件第2页浏览型号SC824ULTRT的Datasheet PDF文件第3页浏览型号SC824ULTRT的Datasheet PDF文件第4页浏览型号SC824ULTRT的Datasheet PDF文件第5页浏览型号SC824ULTRT的Datasheet PDF文件第6页浏览型号SC824ULTRT的Datasheet PDF文件第7页 
SC824  
Single-cell Li-Ion Charger  
Tri-Mode with Timer and NTC  
POWER MANAGEMENT  
Features  
Description  
„
„
„
Single input 30V protected charger  
Adapter, USB High, USB Low modes  
Charging by current regulation, voltage regulation,  
and thermal limiting  
The SC824 is a single input triple mode (adapter/USB High,  
USB Low) linear single-cell Li-Ion battery charger in a 10  
lead 2×2 (mm) MLPD ultra-thin package.  
Charging begins automatically when an input source is  
applied to the charging input. The input is designed to  
survive sustained input voltage up to 30V to protect  
against hot plug overshoot and faulty charging adapters.  
Thermal limiting protects the SC824 from excessive power  
dissipation.  
„
„
Programmable currents from 70mA to 1A  
Fast-charge current regulation — 15% at 70mA,  
9% at 700mA  
Constant voltage — 4.2V, 1% regulation  
Input voltage protection — 30V  
„
„
„
Current-limited adapter support capability — reduces  
power dissipation in charger IC  
The SC824 provides three modes of charging: adapter  
mode, USB low power mode, and USB high power mode.  
Adapter mode charges up to 1A with the charging adapter  
operating either in voltage regulation or in current limit to  
obtain the lowest possible power dissipation. A single  
current programming pin is used to program precharge  
current, termination current, and fast-charge current in  
fixed proportions. The USB modes provide low and high  
power fast-charge currents. The two USB modes dynami-  
cally limit the charging load if necessary to automatically  
prevent overloading the USB Vbus supply.  
„
USB modes automatically reduce charge current if  
needed to prevent USB Vbus overload  
Instantaneous CC-to-CV transition for faster charging  
Battery temperature NTC thermistor interface  
Multi-stage charge timer for safety and alternative  
termination, IEEE Std. 1725-2006 compliant  
Termination on current or timer — first to occur  
Soft-start reduces adapter or USB load transients  
High operating voltage range permits use of  
unregulated adapters  
„
„
„
„
„
„
„
„
„
„
„
Complies with CCSA YD/T 1591-2006  
High-current USB Dedicated Charger compatible  
Ultra-thin 2×2×0.6 (mm) MLPD package  
Lead-free and halogen-free  
The SC824 provides a battery NTC thermistor interface to  
disable charging when the battery temperature exceeds  
programmed thresholds. An optional programmable  
multi-stage charge timer protects against a faulty battery,  
or terminates charging on timeout if the system load is  
too great to terminate charging on current. A 45 minute  
top-off period following termination ensures a fully  
charged battery. The monitor state restarts a charge cycle  
if the battery discharges after the charger has turned off.  
WEEE and RoHS compliant  
Applications  
„
„
„
Mobile phones  
Personal Media Players  
Personal Navigation Devices  
Typical Application Circuit  
RNPU  
SC824  
VADAPTER  
VIN  
EN_NTC  
BAT  
VSYS  
MODE  
RTIME  
GND  
RIPRGM  
2.2μF  
Device  
Load  
MODE SELECT  
CPU GPIO  
2.2μF  
IPRGM  
STAT0  
STAT1  
RNTC  
1μF  
Thermistor  
Battery  
Pack  
October 30, 2009  
© 2009 Semtech Corporation  
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中文翻译

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