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MIC502BM PDF预览

MIC502BM

更新时间: 2024-11-23 21:18:39
品牌 Logo 应用领域
美国微芯 - MICROCHIP 电动机控制光电二极管
页数 文件大小 规格书
16页 1163K
描述
Brushless DC Motor Controller, 0.025A, CMOS, PDSO8, SOIC-8

MIC502BM 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOIC-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.7Is Samacsys:N
其他特性:IT CAN ALSO OPERATE FROM A 12V NOMINAL SUPPLY模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
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:85 °C最低工作温度:-40 °C
最大输出电流:0.025 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):240电源:4.5/13 V
认证状态:Not Qualified座面最大高度:1.879 mm
子类别:Motion Control Electronics最大供电电流 (Isup):1.2 mA
最大供电电压 (Vsup):13.2 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

MIC502BM 数据手册

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MIC502  
Fan Management IC  
General Description  
Features  
The MIC502 is a thermal and fan management IC that  
supports the features for NLX/ATX power supplies and  
other control applications.  
Temperature-proportional fan speed control  
Low-cost, efficient PWM fan drive  
4.5V to 13.2V IC supply range  
Controls any voltage fan  
Overtemperature detection with fault output  
Integrated fan startup timer  
Automatic user-specified sleep mode  
Supports low-cost NTC/PTC thermistors  
8-pin DIP and SOIC packages  
Fan speed is determined by an external temperature  
sensor, typically  
a
thermistor-resistor divider, and  
(optionally) a second signal, such as the NLX “FanC”  
signal. The MIC502 produces a low-frequency pulse-width  
modulated output for driving an external motor drive  
transistor. Low-frequency PWM speed control allows  
operation of standard brushless DC fans at low duty-cycle  
for reduced acoustic noise and permits the use of a very  
small power transistor. The PWM time base is determined  
by an external capacitor.  
Applications  
NLX and ATX power supplies  
Personal computers  
File servers  
An open-collector overtemperature fault output is asserted  
if the primary control input is driven above the normal  
control range.  
Telecom and networking hardware  
Printers, copiers, and office equipment  
Instrumentation  
Uninterruptible power supplies  
Power amplifiers  
The MIC502 features a low-power sleep mode with a user-  
determined threshold. Sleep mode completely turns off the  
fan and occurs when the system is asleep or off (both  
control inputs very low). A complete shutdown or reset can  
also be initiated by external circuitry as desired.  
The MIC502 is available as 8-pin plastic DIP and SOIC  
packages in the –40°C to +85°C industrial temperature  
range.  
Datasheets and support documentation are available on  
Micrel’s web site at: www.micrel.com.  
Typical 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  
Revision 3.0  
October 6, 2014  
 

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