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| 型号： | TC622COA713 |
| 厂商： | Microchip Technology |
| 文件页数： | 5/14页 |
| 文件大小： | 0K |
| 描述： | IC TEMP SNSR PROG 5V 8SOIC |
| 标准包装： | 3,300 |
| 感应温度： | 0°C ~ 70°C |
| 输出类型： | 高态有效，低态有效 |
| 电源电压： | 4.5 V ~ 18 V |
| 精确度： | ±1°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
TC622/TC624
3.0
DETAILED DESCRIPTION
3.2
Hysteresis
3.1
Trip Point Programming
To prevent output “chattering” at the trip point tempera-
ture, the temperature detector in the TC622/TC624 has
When the temperature of the device exceeds the pro-
grammed temperature trip point, T SET , the OUT and
OUT outputs are driven into their active states. The
desired trip point temperature is programmed with a
single external resistor connected between the T SET
input and V CC . The relationship between the resistor
value and the trip point temperature is given by
Equation 3-1.
2°C hysteresis (see Figure 3-2). The outputs are driven
active when the temperature crosses the set point
determined by the external resistor. As temperature
declines below the set point, the hysteresis action will
hold the outputs true until the temperature drops 2°C
below the threshold.
Temperature
EQUATION 3-1:
Set Point
R TRIP = 0.5997 x T 2.1312
Where:
R TRIP = Programming resistor value in Ohms
T = Desired trip temperature in degrees Kelvin.
For example, as shown in Figure 3-1, to program the
device to trip at 50°C, the programming resistor is:
(Set Point – 2 Degrees C)
OUT
OUT
R TRIP = 0.5997 x ((50 + 273.15) 2.1312 ) = 133.65 k Ω
250
200
150
100
50
FIGURE 3-2:
TC622/TC624 Hysteresis
-55
-35
-15
5
25
45
65
85
105
125
TEMPERATURE (°C)
FIGURE 3-1:
Programming Resistor
Values vs. Temperature
? 2006 Microchip Technology Inc.
DS21440C-page 5
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相关代理商/技术参数 |
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| TC622CPA | 功能描述:板上安装温度传感器 Prog Solid-State RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC622CPA | 制造商:Microchip Technology Inc 功能描述:Temperature Sensor IC |
| TC622CPA | 制造商:Microchip Technology Inc 功能描述:IC SENSOR TEMPERATURE 制造商:Microchip Technology Inc 功能描述:IC, SENSOR, TEMPERATURE |
| TC622EAT | 功能描述:板上安装温度传感器 Prog Solid-State RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC622EOA | 功能描述:板上安装温度传感器 Prog Solid-State RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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