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MIC502BM PDF预览

MIC502BM

更新时间: 2024-11-18 22:54:51
品牌 Logo 应用领域
麦瑞 - MICREL 运动控制电子器件信号电路光电二极管电动机控制
页数 文件大小 规格书
11页 132K
描述
Fan Management IC Advance Information

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  
Advance Information  
General Description  
Features  
The MIC502 is a thermal and fan management IC which  
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 sec-  
ond 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  
An open-collector overtemperature fault output is asserted if  
the primary control input is driven above the normal control  
range.  
• File servers  
• Telecom and networking hardware  
• Printers, copiers, and office equipment  
• Instrumentation  
• Uninterruptable 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.  
Ordering Information  
Part Number  
MIC502BN  
MIC502BM  
Temperature Range  
–40°C to +85°C  
Package  
The MIC502 is available as 8-pin plastic DIP and SOIC  
packages in the –40°C to +85°C industrial temperature  
range.  
8-pin Plastic DIP  
8-pin SOIC  
–40°C to +85°C  
Typical Application  
12V  
Fan  
Q1  
T1 R1  
R2  
MIC502  
1
2
3
4
8
7
6
5
VT1  
CF  
VDD  
OUT  
RBASE  
R3  
R4  
VSLP OTF  
GND VT2  
Overtemperature  
Fault Output  
CF  
Secondary  
Fan-control  
Input  
May 1999  
163  
MIC502  

MIC502BM 替代型号

型号 品牌 替代类型 描述 数据表
MIC502YM MICROCHIP

类似代替

BRUSHLESS DC MOTOR CONTROLLER, 0.025A, PDSO8
TC648VOA MICROCHIP

功能相似

Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert

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