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SC813ULTRT

更新时间： 2024-11-02 06:10:19
品牌 Logo 应用领域
商升特 - SEMTECH 电源电路电池电源管理电路
页数 文件大小 规格书
23页 374K
描述
Adapter/USB Tri-Mode Single-cell Li-ion Charger

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中文翻译

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SC813ULTRT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：End Of Life零件包装代码：SOIC
包装说明：HVSON, SOLCC8,.11,20针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.71
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-XDSO-N8
JESD-609代码：e3长度：2 mm
信道数量：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVSON封装等效代码：SOLCC8,.11,20
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最大供电电压 (Vsup)：5.6 V
最小供电电压 (Vsup)：4.6 V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：0.5 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

SC813ULTRT 数据手册

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SC811 / SC813  
Adapter/USB Tri-Mode  
Single-cell Li-ion Charger  
POWER MANAGEMENT  
Features  
Description  
The SC811 and SC813 are highly versatile single input  
triple mode (adapter/USB high current, USB low current)  
linear single-cell Li-ion battery chargers, each in an 8 lead  
2x2 MLPD ultra-thin package. The input will survive sus-  
tained input voltage up to 30V to protect against hot plug  
overshoot and faulty charging adapters. The SC811 has  
9.6V rising, 8.2V falling OVP thresholds for general purpose  
charging with low cost adaptors. The SC813 has 6V rising,  
5.6V falling OVP thresholds for customers utilizing charg-  
ing adapters with specifications that are similar to a USB  
Vbus supply. The SC811 and SC813 differ only in OVP  
threshold.  
„
„
„
Single input charger with three charging modes  
Constant voltage — 4.2V, 1% regulation  
Fast-charge current regulation — 15% at 70mA,  
9% at 700mA  
Charging by current regulation, voltage regulation,  
and thermal limiting  
Input voltage protection — 30V  
Current-limited adapter support capability — reduces  
power dissipation in charger IC  
„
„
„
„
USB high and low power modes limit charge current  
to prevent USB Vbus overload  
„
„
Instantaneous CC-to-CV transition for faster charging  
Programmable battery-dependent currents (adapter  
mode fast- and pre-charge, termination)  
Programmable source-limited currents (USB-high  
mode fast-charge, and USB-low mode fast- and  
pre-charge)  
Charging begins automatically when an input source is  
applied to the charging input. Thermal limiting protects  
against excessive power dissipation. The charger can be  
programmed to turn off when charging is complete or to  
continue operating as an LDO regulator while float-charg-  
ing the battery.  
„
„
„
Independent programming of termination current  
with dual-mode operation  
Three charging modes are provided: adapter mode, USB  
low power mode, and USB high power mode. Battery-  
capacity-dependent and charging source-dependent  
current programming are independently programmed.  
Adapter and USB high power modes can charge 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 pre-charge, termination, and adapter-  
mode fast-charge currents in fixed proportions. In the  
USB modes, a second programming pin is used to program  
low power pre-charge current and low and high power  
fast-charge currents. This configuration allows indepen-  
dent programming of termination current. The two USB  
modes dynamically limit the charging load if necessary to  
prevent overloading the USB Vbus supply.  
Three termination options — float-charge, automatic  
re-charge, or forced re-charge to keep the battery  
topped-off after termination without float-charging  
Soft-start reduces adapter or USB load transients  
High operating voltage range of SC811 permits use  
of unregulated adapters  
Complies with CCSA YD/T 1591-2006  
Space saving 2x2x0.6 (mm) MLPD package  
WEEE and RoHS compliant  
„
„
„
„
„
Applications  
„
„
„
Mobile phones  
MP3 players  
GPS handheld receivers  
Typical Application Circuit  
SC811 / SC813  
Battery Device  
Pack Load  
VADAPTER  
VIN  
ENB  
BAT  
MODE SELECT  
MODE  
STATB  
GND  
2.2 μF  
IPRGM  
IPUSB  
2.2 μF  
April 7, 2008  
© 2008 Semtech Corporation  
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中文翻译

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