The EMC1414 is a four-channel SMBus temperature sensor with ±1°C accuracy for both internal and external diode measurements, supporting 0.125°C resolution. It features Resistance Error Correction for up to 100 ohms of series resistance and automatic Beta Compensation for CPU thermal diodes, though external diode channels 2 and 3 do not support Beta Compensation. The device includes an internal temperature monitor, programmable temperature limits, and an open-drain ALERT output. It supports anti-parallel diode connections on channels 2 and 3 for additional monitoring. Operating from a 3.3V supply, it is available in 10-pin 3mm x 3mm DFN and 10-pin MSOP packages and is RoHS compliant.
The EMC1413/EMC1414 are high accuracy, low cost, System Management Bus (SMBus) temperature sensors. Advanced features such as Resistance Error Correction (REC), Beta Compensation (to support CPU diodes requiring the BJT/transistor model including 45nm, 65nm and 90nm processors) and automatic diode type detection combine to provide a robust solution for complex environmental monitoring applications.
The EMC1413 monitors three temperature channels and the EMC1414 monitors four temperature channels. It provides ±1ºC accuracy for both external and internal diode temperatures.
Resistance Error Correction automatically eliminates the temperature error caused by series resistance allowing greater flexibility in routing thermal diodes. Beta Compensation eliminates temperature errors caused by low, variable beta transistors common in today's fine geometry processors. The automatic beta detection feature monitors each external diode/transistor and determines the optimum sensor settings for accurate temperature measurements regardless of processor technology. This frees the user from providing unique sensor configurations for each temperature monitoring application. These advanced features plus ±1°C measurement accuracy provide a low-cost, highly flexible and accurate solution for critical temperature monitoring applications.
Additional Features
| Microchip Technology, Inc. | |
|---|---|
| Product Category | Transistors |
| Product Number | EMC1414 |
