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ISL95871CHRZ PDF预览

ISL95871CHRZ

更新时间： 2024-01-04 08:29:46
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
26页 1143K
描述
1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC50, 5 X 7 MM, ROHS COMPLIANT, PLASTIC, QFN-50

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中文翻译

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ISL95871CHRZ 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：QFN
包装说明：HVQCCN, LCC50,.2X.28,16针数：50
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.82
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-PQCC-N50JESD-609代码：e3
长度：7 mm湿度敏感等级：3
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：HVQCCN封装等效代码：LCC50,.2X.28,16
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：19 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：Power Management Circuits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
端子面层：MATTE TIN端子形式：NO LEAD
端子节距：0.4 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

ISL95871CHRZ 数据手册

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DATASHEET  
ISL95871C  
SMBus Interfaced Battery Charger with Internal FETs  
FN6856  
Rev 2.00  
June 8, 2011  
The ISL95871C is a highly integrated Lithium-ion battery  
charger controller, programmable over the System  
Features  
• Internal Synchronous Buck Output Stage Power FETs  
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.  
• 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  
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.  
• Monitor Outputs  
- Adapter Current (3% Accuracy)  
- AC-Adapter Detection  
Applications  
• 11-Bit Battery Voltage Setting  
• Notebook Computers  
• 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)  
• 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)  
FN6856 Rev 2.00  
June 8, 2011  
Page 1 of 26  
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中文翻译

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