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TC623_13

更新时间： 2024-09-16 12:27:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP 传感器温度传感器
页数 文件大小 规格书
12页 141K
描述
3V, Dual Trip Point Temperature Sensor

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中文翻译

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TC623_13 数据手册

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TC623  
3V, Dual Trip Point Temperature Sensor  
Features:  
Package Type  
• Integrated Temp Sensor and Detector Operate  
from a Supply Voltage as Low as 2.7V  
SOIC  
1
2
3
4
8
7
6
5
V
CC  
NC  
LOW SET  
HIGH SET  
GND  
• Replaces Mechanical Thermostats and Switches  
• On-Chip Temperature Sense  
LOW LIMIT  
HIGH LIMIT  
CONTROL  
TC623CCOA  
TC623CEOA  
TC623CVOA  
• 8-Pin DIP or SOIC for Direct PCB Mounting  
• 2 User Programmable Temperature Set Points  
• 2 Independent Temperature Limit Outputs  
• Heat/Cool Regulate Output  
PDIP  
8
V
NC  
1
2
3
4
CC  
Applications:  
LOW SET  
7
6
5
LOW LIMIT  
HIGH LIMIT  
CONTROL  
TC623CCPA  
TC623CEPA  
• CPU Thermal Management  
HIGH SET  
GND  
• System Over or Under Temperature Shutdown  
• Advanced Thermal Warning  
• Fan Speed Control Circuits  
General Description  
• Accurate Appliance Temperature Sensing  
• Environmental Control  
The TC623 is a 3V solid-state, programmable temper-  
ature sensor designed for use in thermal management  
applications. It features dual thermal interrupt outputs  
(LOW LIMIT and HIGH LIMIT) each of which are set  
with an external resistor. The HIGH LIMIT and LOW  
LIMIT outputs are driven active (high) when measured  
temperature equals the user programmed limits. The  
CONTROL output is driven active (high) when temper-  
ature equals the HIGH LIMIT set point and turned off  
when temperature falls below the LOW LIMIT set point.  
The CONTROL output can be used to provide simple  
ON/OFF control to a cooling fan if so desired.  
Device Selection Table  
Part Number  
Package  
Temp. Range  
TC623CCOA  
TC623CCPA  
TC623CEOA  
TC623CEPA  
TC623CVOA  
8-Pin SOIC  
8-Pin PDIP  
8-Pin SOIC  
8-Pin PDIP  
8-Pin SOIC  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +125°C  
Note:  
Latch Output (C option), is a Standard Device  
Contact Factory for Latch Q Output (H option).  
Low voltage operation, easy set point programming,  
small size and low cost make the TC623 an ideal  
choice for many thermal management applications.  
Functional Block Diagram  
8
7
1
Temperature  
NC  
To Voltage  
V
CC  
TC623  
Converter  
+
–
LOW LIMIT  
2
V
REF  
Gen.  
LOW SET  
V
REF  
+
–
6
5
HIGH LIMIT  
CONTROL  
3
4
V
REF  
Gen.  
HIGH SET  
GND  
R
S
Q
Latch  
R
LOW  
< R  
HIGH  
2001-2012 Microchip Technology Inc.  
DS21441D-page 1  
1234567...12

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