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TC642BEOA713

更新时间： 2024-09-16 03:21:39
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美国微芯 - MICROCHIP 风扇控制器
页数 文件大小 规格书
34页 663K
描述
PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense⑩ Technology for Fault Detection

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中文翻译

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TC642BEOA713 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.07
模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：3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）：260电源：3.3/5 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Motion Control Electronics最大供电电流 (Isup)：0.4 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
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：40
宽度：3.9116 mmBase Number Matches：1

TC642BEOA713 数据手册

 浏览型号TC642BEOA713的Datasheet PDF文件第2页浏览型号TC642BEOA713的Datasheet PDF文件第3页浏览型号TC642BEOA713的Datasheet PDF文件第4页浏览型号TC642BEOA713的Datasheet PDF文件第5页浏览型号TC642BEOA713的Datasheet PDF文件第6页浏览型号TC642BEOA713的Datasheet PDF文件第7页 
TC642B/TC647B  
M
PWM Fan Speed Controllers With Minimum Fan Speed,  
Fan Restart and FanSense™ Technology for Fault Detection  
Features  
Description  
• Temperature-Proportional Fan Speed for Acoustic  
The TC642B/TC647B devices are new versions of the  
existing TC642/TC647 fan speed controllers. These  
devices are switch mode, fan speed controllers that  
incorporate a new fan auto-restart function. Tempera-  
ture-proportional speed control is accomplished using  
pulse width modulation. A thermistor (or other voltage  
Noise Reduction and Longer Fan Life  
• Efficient PWM Fan Drive  
• 3.0V to 5.5V Supply Range:  
- Fan Voltage Independent of TC642B/TC647B  
Supply Voltage  
output temperature sensor) connected to the V input  
IN  
- Supports any Fan Voltage  
supplies the required control voltage of 1.20V to 2.60V  
(typical) for 0% to 100% PWM duty cycle. Minimum fan  
• FanSense™ Fault Detection Circuit Protects  
Against Fan Failure and Aids System Testing  
speed is set by a simple resistor divider on the V  
MIN  
input. An integrated Start-Up Timer ensures reliable  
motor start-up at turn-on, coming out of shutdown  
mode or following a transient fault. A logic-low applied  
• Shutdown Mode for "Green" Systems  
• Supports Low Cost NTC/PTC Thermistors  
• Over-Temperature Indication (TC642B only)  
• Fan Auto-Restart  
to V  
(pin 3) causes fan shutdown.  
MIN  
The TC642B and TC647B also feature Microchip  
• Space-Saving 8-Pin MSOP Package  
™
Technology's proprietary FanSense technology for  
increasing system reliability. In normal fan operation, a  
pulse train is present at SENSE (pin 5). A missing-  
pulse detector monitors this pin during fan operation. A  
stalled, open or unconnected fan causes the TC642B/  
Applications  
• Personal Computers & Servers  
• LCD Projectors  
• Datacom & Telecom Equipment  
• Fan Trays  
TC647B device to turn the V  
output on full (100%  
OUT  
duty cycle). If the fault persists (a fan current pulse is  
not detected within a 32/f period), the FAULT output  
• File Servers  
• General Purpose Fan Speed Control  
goes low. Even with the FAULT output low, the V  
OUT  
output is on full during the fan fault condition in order to  
attempt to restart the fan. FAULT is also asserted if the  
PWM reaches 100% duty cycle (TC642B only), indicat-  
ing that maximum cooling capability has been reached  
and a possible overheating condition exists.  
Package Types  
MSOP, PDIP, SOIC  
The TC642B and TC647B devices are available in 8-pin  
plastic MSOP, SOIC and PDIP packages. The specified  
temperature range of these devices is -40 to +85ºC.  
V
1
2
3
4
8
7
6
5
V
V
IN  
DD  
C
F
OUT  
TC642B  
TC647B  
V
FAULT  
MIN  
GND  
SENSE  
2003 Microchip Technology Inc.  
DS21756B-page 1  
1234567...34

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TC642BEOA713 替代型号

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