Microchip TechnologyEMC1428-1-AP-TRTemperature and Humidity Sensors

The EMC1428 is a high accuracy, low cost, System Management Bus (SMBus) temperature sensor. Advanced features such as Resistance Error Correction (REC), Beta Compensation (to CPU diodes requiring the BJT or transistor model) and automatic diode type detection combine to provide a robust solution for complex environmental monitoring applications.

Additionally, the EMC1428 provides a hardware programmable system shutdown feature that is programmed at part power-up via a single TRIP_SET voltage channel that cannot be masked or corrupted through the SMBus.

Each device provides ±1° accuracy for external diode temperatures and ±2°C accuracy for the internal diode temperature. The EMC1428 monitors up to eight temperature channels (up to seven external and one internal).

Features and Benefits

• •  Hardware Thermal Shutdown
• •  Triggers dedicated SYS_SHDN# pin
• •  Hardware configured range 65°C to 127°C in 1°C steps
• •  Cannot be disabled or modified by software
• •  Designed to support 45nm, 65nm, and 90nm CPU diodes
• •  Supports diodes requiring the BJT or transistor model
• •  Resistance Error Correction (up to 100 Ohms)
• •  Up to seven External Temperature Monitors
• •  ±1°C Accuracy (60°C < T_DIODE < 100°C)
• •  0.125°C Resolution
• •  Supports up to 2.2nF filter capacitor
• •  Anti-parallel diodes for extra diode support and compact design
• •  Internal Temperature Monitor
• •  ±2°C accuracy
• •  3.3V Supply Voltage
• •  Available in a 16 pin 4mm x 4mm QFN RoHs Compliant package
• •  Programmable temperature limits for ALERT#

Applications

• •  Notebook Computers
• •  Desktop Computers
• •  Industrial
• •  Embedded applications

Featured Articles & Videos

Download Temperature-Sensing Diodes with Remote Thermal Sensors Application Note

Download Remote Thermal Sensing Diode Selection Guide

Download Temperature Sensor Design Guide Brochure

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Ideal for ambient condition devices this EMC1428-1-AP-TR temperature and humidity sensor by Microchip Technology belongs in your design. It has a digital output. This device's minimum operating supply voltage of 3 V, while its maximum is 3.6 V. This part has a temperature range of -40 °C to 125 °C. This product will be shipped in tape and reel packaging to allow for quick mounting and safe delivery.