Texas Instruments

TMP422AIDCNTG4  

Analog and Digital Output

TMP422AIDCNTG4 Description

The TMP422AIDCNTG4 from Texas Instruments is a high-precision, digital temperature sensor with SMBus interface, designed for local and remote temperature monitoring in demanding applications. It operates over a 2.7V to 5.5V supply range and delivers ±1.5°C (highest) to ±2.5°C (lowest) accuracy across a -40°C to +125°C range, with 11-bit resolution for fine-grained thermal management. Packaged in a compact SOT-23-8 form factor, it is RoHS3 compliant and suited for surface-mount assembly, making it ideal for space-constrained designs.

TMP422AIDCNTG4 Features

• Dual-Sensor Capability: Monitors both local (on-chip) and remote (external diode) temperatures simultaneously.
• Low Power Consumption: Optimized for energy-sensitive applications.
• SMBus Compatibility: Ensures seamless integration with standard digital communication protocols.
• High Accuracy: ±1.5°C (local) and ±2.5°C (remote) precision for reliable thermal feedback.
• Wide Operating Range: Supports -40°C to +125°C, suitable for industrial and automotive environments.
• Compact & Robust: MSL 2 (1 Year) moisture sensitivity and REACH-unaffected compliance enhance reliability.

TMP422AIDCNTG4 Applications

• Embedded Systems: Thermal protection for CPUs, GPUs, and FPGAs in servers and computing devices.
• Industrial Automation: Monitoring critical components in motor drives, PLCs, and power supplies.
• Automotive Electronics: Overheat detection in infotainment systems, battery management, and ADAS.
• Consumer Electronics: Smartphones, tablets, and wearables requiring compact, high-accuracy sensing.
• Medical Devices: Precision temperature tracking in portable diagnostic equipment.

Conclusion of TMP422AIDCNTG4

The TMP422AIDCNTG4 stands out for its dual-sensor functionality, SMBus interface, and industry-leading accuracy, making it a versatile solution for thermal management. While obsolete, its performance remains competitive for legacy designs or applications requiring proven reliability. Its small footprint, low power, and wide voltage range cater to diverse sectors, from automotive to industrial systems. Engineers seeking a cost-effective, high-performance digital sensor for precision thermal monitoring should consider this device for legacy or niche applications.

TMP422AIDCNTG4 Documents

Download datasheets and manufacturer documentation for TMP422AIDCNTG4

Datasheets :

TMP421/22/23      

PCN Obsolescence/ EOL :

OBS NOTICE 13/Nov/2023      

HTML Datasheet :

TMP421/22/23