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MIC79050-4.2YMTR PDF预览

MIC79050-4.2YMTR

更新时间: 2024-11-21 14:43:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
14页 278K
描述
1A BATTERY CHARGE CONTROLLER, PDSO8, LEAD FREE, SOIC-8

MIC79050-4.2YMTR 技术参数

是否Rohs认证:符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.69Is Samacsys:N
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER控制技术:PULSE WIDTH MODULATION
最大输入电压:16 V最小输入电压:2.5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1 A标称输出电压:4.2 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.73 mm
表面贴装:YES切换器配置:SINGLE
温度等级:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

MIC79050-4.2YMTR 数据手册

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MIC79050  
Simple Lithium-Ion Battery Charger  
General Description  
Features  
TheMIC79050isasimplesingle-celllithium-ionbatterychar-  
ger. It includes an on-chip pass transistor for high precision  
charging. Featuring ultrahigh precision (+0.75% over the Li-  
ion battery charging temperature range) and “zero” off mode  
current, the MIC79050 provides a very simple, cost effective  
solution for charging lithium-ion battery.  
• High accuracy charge voltage:  
±0.75% over -5°C to + 60°C (Li-ion charging  
temperature range)  
• “Zero” off-mode current  
• 10µA reverse leakage  
• Ultralow 380mV dropout at 500mA  
• Wide input voltage range  
• Logic controlled enable input (8-pin devices only)  
• Thermal shutdown and current limit protection  
• Power MSOP-8, Power SOIC-8, and SOT-223  
• Pulse charging capability  
Other features of the MIC79050 include current limit and  
thermal shutdown protection. In the event the input voltage  
to the charger is disconnected, the MIC79050 also provides  
minimal reverse-current and reversed-battery protection.  
The MIC79050 is a fixed 4.2V device and comes in the ther-  
mally-enhanced MSO-8, SO-8, and SOT-223 packages. The  
8-pinversionsalsocomeequippedwithenableandfeedback  
inputs. All versions are specified over the temperature range  
of –40°C to +125°C.  
Applications  
• Li-ion battery charger  
• Celluar phones  
• Palmtop computers  
• PDAs  
• Self charging battery packs  
Ordering Information  
Part Number  
Junction  
Temp. Range  
Voltage  
Package  
Standard  
Pb-Free  
MIC79050-4.2BS  
MIC79050-4.2BM  
MIC79050-4.2BMM  
MIC79050-4.2YS  
MIC79050-4.2YM  
MIC79050-4.2YMM  
4.2V  
4.2V  
4.2V  
–40ºC to +125ºC  
–40ºC to +125ºC  
–40ºC to +125ºC  
SOT-223-3  
SOIC-8  
MSOP-8  
Typical Applications  
MIC79050-4.2BS  
IN BAT  
4.2V 0.75% Over Temp  
Regulated or  
unregulated  
wall adapter  
Li-Ion  
Cell  
GND  
Simplest Battery Charging Solution  
Regulated or  
unregulated  
wall adapter  
MIC79050-4.2BMM  
4.2V 0.75%  
IN  
BAT  
FB  
Li-Ion  
Cell  
EN  
External PWM*  
GND  
*See Applications Information  
Pulse-Charging Application  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
August 2005  
1
MIC79050  

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