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TMP431ADGKT from TI/BB,Texas Instruments

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TMP431ADGKT

Manufacturer: TI/BB, TI

Remote and Local Temperature Sensor with Automatic Beta, N-Factor and Series-R Correction 8-VSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
TMP431ADGKT TI/BB, TI 365 In Stock

Description and Introduction

Remote and Local Temperature Sensor with Automatic Beta, N-Factor and Series-R Correction 8-VSSOP -40 to 125 The TMP431ADGKT is a temperature sensor manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Temperature Range:** -40°C to +125°C (Remote Diode)  
- **Accuracy:**  
  - ±1°C (Local, 60°C to 100°C)  
  - ±1.5°C (Remote, 60°C to 100°C)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Current Consumption:** 75µA (Typical)  
- **Interface:** SMBus™, I²C-Compatible  
- **Resolution:** 0.0625°C (Local & Remote)  
- **Package:** 8-Pin VSSOP (DGK)  

### **Descriptions:**  
The TMP431ADGKT is a high-precision digital temperature sensor with a local and remote sensing capability. It monitors the temperature of a remote diode-connected transistor (e.g., CPU diode) and its own internal die. It provides accurate temperature readings via an SMBus/I²C interface and includes programmable alert functionality.

### **Features:**  
- **Dual-Channel Monitoring:** Measures local and remote temperatures.  
- **Programmable Alert Limits:** Supports overtemperature and undertemperature alarms.  
- **Beta Compensation:** Adjusts for variations in transistor characteristics.  
- **Series Resistance Cancellation:** Reduces errors caused by PCB trace resistance.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Small Form Factor:** 8-pin VSSOP package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Remote and Local Temperature Sensor with Automatic Beta, N-Factor and Series-R Correction 8-VSSOP -40 to 125

Alternative Part Number

  • LM89CIMM --: Remote/local temperature sensor with SMBus interface in an MSOP package, functionally similar to the TMP431 and pin-compatible in many designs.
  • ADT7461ARMZ --: Remote diode temperature sensor with 1-degree accuracy and SMBus interface, a well-established alternative for thermal monitoring applications.
  • MAX6642ATT96 --: Compact remote/local temperature sensor with I2C/SMBus interface, suitable as a drop-in thermal monitoring replacement in space-constrained designs.
  • ADT7461ARZ --: Remote diode temperature sensor with I2C/SMBus interface and comparable accuracy, suitable drop-in alternative for board temperature monitoring.

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