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ISL95871CHRZ-T13 PDF预览

ISL95871CHRZ-T13

更新时间： 2024-01-14 09:27:45
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
26页 634K
描述
Power Supply Management Circuit

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ISL95871CHRZ-T13 技术参数

生命周期：Obsolete包装说明：HQCCN,
Reach Compliance Code：unknown风险等级：5.84
Is Samacsys：N可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PQCC-N50
长度：7 mm信道数量：1
功能数量：1端子数量：50
最高工作温度：100 °C最低工作温度：-10 °C
封装主体材料：PLASTIC/EPOXY封装代码：HQCCN
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG
座面最大高度：1 mm最大供电电压 (Vsup)：22 V
最小供电电压 (Vsup)：8 V标称供电电压 (Vsup)：19 V
表面贴装：YES温度等级：OTHER
端子形式：NO LEAD端子位置：QUAD
宽度：5 mmBase Number Matches：1

ISL95871CHRZ-T13 数据手册

 浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第2页浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第3页浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第4页浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第5页浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第6页浏览型号ISL95871CHRZ-T13的Datasheet PDF文件第7页 
DATASHEET  
SMBus Interfaced Battery Charger with Internal FETs  
ISL95871C  
Features  
The ISL95871C is a highly integrated Lithium-ion battery charger  
controller, programmable over the System Management Bus  
(SMBus) with internal switching FETs. High efficiency is achieved  
with a DC/DC synchronous-rectifier buck converter, equipped with  
diode emulation for enhanced light load efficiency and system bus  
boosting prevention. The ISL95871C charges one to four  
Lithium-ion series cells, and delivers up to 8A charge current.  
Integrated MOSFETs and bootstrap diode result in fewer  
components and smaller implementation area. Low offset  
current-sense amplifiers provide high accuracy with 10msense  
resistors. The ISL95871C provides 0.5% battery voltage accuracy.  
• Internal Synchronous Buck Output Stage Power FETs  
• 0.5% Battery Voltage Accuracy  
• 3% Adapter Current Limit Accuracy  
• 3% Charge Current Accuracy  
• SMBus 2-Wire Serial Interface  
• Battery Short Circuit Protection  
• Fast Response for Pulse-Charging  
• Fast System-Load Transient Response  
• Monitor Outputs  
The ISL95871C also provides a digital output that indicates the  
presence of the AC-adapter as well as an analog output which  
indicates the adapter current within 4% accuracy.  
- Adapter Current (3% Accuracy)  
- AC-Adapter Detection  
• 11-Bit Battery Voltage Setting  
Applications  
• 6 Bit Charge Current/Adapter Current Setting  
• 8A Maximum Battery Charger Current  
• 11A Maximum Adapter Current  
• +8V to +22V Adapter Voltage Range  
• Pb-Free (RoHS Compliant)  
• Notebook Computers  
• Tablet PCs  
• Portable Equipment with Rechargeable Batteries  
Related Literature  
• See AN1590, ISL95871C Evaluation Board User Guide  
9
8
7
100  
95  
90  
1 CELL  
6
85  
4 CELL  
3 CELL  
4 CELL  
5
2 CELL  
80  
75  
70  
65  
60  
3 CELL  
2 CELL  
4
3
2
1
0
1 CELL  
0
1
2
3
4
5
6
7
8
0
25  
50  
75  
100  
125  
150  
AMBIENT TEMPERATURE (°C)  
CHARGE CURRENT (A)  
FIGURE 1. EFFICIENCY vs CHARGE CURRENT AND BATTERY  
VOLTAGE (EFFICIENCY DCIN = 20V)  
FIGURE 2. DERATING CURVE WITH NATURAL AIR FLOW  
(MEASURED ON 10cm x 10cm EVALUATION BOARD)  
June 8, 2011  
FN6856.2  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas LLC 2010, 2011. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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