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11-22-2018

Monitor Temperature at Multiple Locations with Low-power 1.8V Temperature Sensor Family

Microchip » EMC1812, EMC1813, EMC1814, EMC1815, EMC1833

Measure temperature fluctuation with industry's first rate-of-change reporting feature

Temperature measurement is central to the functionality of Internet of Things (IoT) and personal computing devices, making it imperative that developers integrate temperature sensors that reduce power consumption and lower system voltage in applications. To meet these needs, Microchip Technology announced five new 1.8 V temperature sensors, including the industry's smallest five-channel temperature sensor with standard lead spacing. The EMC181x temperature sensor family also introduces system temperature rate-of-change reporting, a feature that provides advanced warning on how the temperature of a system is fluctuating.

Microchip - EMC1812, EMC1813, EMC1814, EMC1815, EMC1833

Monitoring temperature at multiple locations with a single, integrated temperature sensor reduces board complexity and simplifies design. The EMC181x temperature sensor family offers a variety of remote channels at 1.8 V operation to fit different design needs, ranging from two to five channels. The family is ideal for applications migrating from 3.3 V systems to lower voltage rails, such as battery operated IoT applications, personal computing devices, Field-Programmable Gate Arrays (FPGAs) and Graphics Processing Units (GPUs). Additionally, the EMC181x family is register and voltage compatible with Microchip's popular 3.3 V temperature sensors, making migration to 1.8 V testable and achievable. With the three-channel sensor available in an 8-pin 2 × 2 mm footprint and the five-channel in a 10-pin 2 × 2.5 mm footprint, the sensors can also reduce the number of devices needed for remote temperature monitoring.

With the ability to measure the system temperature rate of change, the EMC181x devices are the industry's first to offer two-dimensional temperature sensing. In addition to reporting on the regular temperature, the feature notifies customers of the rate of temperature change in a system and shares data that can help better regulate applications. Ideal for closed control loop systems and other applications that prioritize lower voltage rails, the system provides an early notification of rising or falling temperatures, protecting against potential system failure.

At 1.8 V, the EMC181x multi-channel sensor family is compatible with Microchip's extensive portfolio of low-voltage and low-power microcontrollers.

Development Tools

The ADM00773 evaluation board provides everything needed to demonstrate the 1.8 V three-channel two-wire EMC1833 temperature sensor and gives functional insight into the other EMC181x family members. It facilitates evaluation of programmable features such as rate of change, temperature alert limits and Resistance Error Correction (REC), in addition to providing off-board temperature measurements and data logging. The evaluation board connects to a PC through a USB interface board and comes with the Microchip Thermal Management Software Graphical User Interface (GUI).

EMC1833 Remote Temperature Sensor Evaluation Board (ADM00773)
EMC1833 Remote Temperature Sensor Evaluation
Board (ADM00773).

Pricing and Availability

The EMC181x family consists of five devices, all available today for sampling and volume production. Pricing begins at $0.44 USD per 10,000 units for the EMC1812T two-channel sensor.

To purchase products mentioned here, visit our purchasing portal or contact one of Microchip's authorized distribution partners.

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