CXHA3185是一个完全集成的、可编程的远程热二极管温度开关，其阈值由引脚捆绑设置0和设置1设置。远程二极管是二极管连接的晶体管，通常是低成本、易于安装的2N3904 NPN型、2N3906 PNP型晶体管或CPU/GPU内置热二极管。它只需要让管脚SET0和SET1连接到GND、VCC或浮动，即可将温度阈值设置在60°C到+124°C的温度范围内。CXHA3185提供开漏、有源低输出。该开关在+3.0V至+5.5V单电源下工作，同时提供±1.0°C（典型值）或±3.0°C（最大值，+60°C至+100°C）的温度阈值精度。磁滞可选择为2°C或10°C。
±1.0°C典型阈值精度
@±3°C（最大）阈值精度（+60°C至+100°C）
温度阈值由引脚设置0，设置1设置
开漏有源低输出级
[ CXHA3185 ]
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产品概述 返回TOP
产品特点 返回TOP
±1.0°C Typical Threshold Accuracy
±3.0°C (max) Threshold Accuracy (+60°C to +100°C)
Temperature Threshold Set by Pin SET0, SET1
Open-Drain Active Low Output Stage
Pin-Selectable 2°C or 10°C Hysteresis
SOP-8 and MSOP-8 Packages
应用范围 返回TOP
μP Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
Automotive
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产品封装图 返回TOP
电路原理图 返回TOP
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Temperature Transducer |
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Part NO. |
VCC(V) min. |
VCC(V) max. |
Sensor Gain |
VOUT (V) |
Sensor Range(°C) |
Accuracy (°C) |
Isupply (μA) |
Note |
Package |
|
2 |
5.5 |
-11.6 |
2.5~0.3 |
-55~130 |
±1 |
18 |
Negative temperature coefficient output |
TO126F/SC70-5(SOT353) |
|
|
Digital Interface Temperature Sensor |
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|
Part NO. |
VCC(V) min. |
VCC(V) max. |
Remote |
Local |
Interface |
Slave Address |
Accuracy (°C) |
Note |
Package |
|
3 |
5.5 |
N |
1 |
SMBus |
1001XXX |
±2 |
8 slave addresses 9 bits resolution |
SOP8/MSOP8/TDFN3X3-8 |
|
|
3 |
5.5 |
N |
1 |
SMBus |
1001XXX |
±1 |
8 slave addresses 11 bits resolution |
SOP8/MSOP8/TDFN3X3-8 /TDFN3X2-8 |
|
|
3 |
3.6 |
N |
1 |
SMBus |
1001000 |
±1 |
-10°C to 80°C±1°C(max) |
SOT23-5 |
|
|
3 |
5.5 |
1 |
1 |
SMBus |
1001100 |
±1 |
Support transitor mode |
SOP8/MSOP8 |
|
|
3 |
5.5 |
1 |
1 |
SMBus |
1001100 |
±1 |
Remote up to 160°C |
SOP8/MSOP8/TDFN3X3-8 |
|
|
3 |
5.5 |
N |
1 |
SMBus |
1001100 |
±3 |
Local temperature sensor |
MSOP8 |
|
|
3 |
5.5 |
2 |
1 |
SMBus |
1001100 |
±1 |
Support transistor mode |
MSOP10 |
|
|
3 |
5.5 |
1 |
1 |
SMBus |
1001100 |
±1 |
SMBus inputs are built-in switch to prevent reverse leakage |
SOP8/MSOP8/TDFN3X3-8 |
|
|
3 |
5.5 |
1 |
1 |
SMBus |
1001100 |
±1 |
Griffin |
SOP8 MSOP8 |
|
|
Thermal Switch |
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|
Part NO. |
VCC(V) min. |
VCC(V) max. |
Sensor |
Hysterisis VCCGND |
Output Type |
Accuracy (°C) |
Isupply (μA) |
Note |
Package |
|
4 |
5.5 |
-- |
10 or 30 |
Open Drain |
±3.5 |
33 |
N/A |
SOT23-5 |
|
|
3 |
5.5 |
Remote |
10 or 2 |
Open Drain |
±3 |
-- |
OT is set by SET0 and SET1, Thermal diode needed |
SOP8/MSOP8 |
|
|
2.7 |
5.5 |
Local |
10 or 30 |
Open Drain |
±3.5 |
33 |
OT is set by an external resistor |
SOT23-5/TDFN2X2-8 |
|
|
2.7 |
5.5 |
Local |
10 or 2 |
Open Drain |
±3.5 |
33 |
OT is set by an external resistor |
TDFN2X2-8/ADFN1.5X1.5-6/SOT23-5/SOT23-6 |
|
|
2.7 |
5.5 |
Remote |
Set by Resistor |
Open Drain |
-- |
70 |
8 Remote SensorsThermistor is needed |
TQFN3X3-16 |
|
|
2.7 |
5.5 |
Remote |
Set by Resistor |
Open Drain |
-- |
42 |
2 Remote SensorsThermistor is needed |
SOT23-8/AQFN1.5X1.5-8 |
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下一篇▶:CXHA3186打开漏极激活低输出级1%外部电阻设置的温度阈值集成的电阻可编程温度开关其阈值由外部电阻设置提供开漏有源低输出消耗33μA的电源电流
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