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TMP431BDGKR from TI,Texas Instruments

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TMP431BDGKR

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TMP431BDGKR TI 126 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 TMP431BDGKR is a temperature sensor from Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Manufacturer:**  
Texas Instruments (TI)  

### **Part Number:**  
TMP431BDGKR  

### **Description:**  
The TMP431BDGKR is a high-precision, dual-channel remote and local temperature sensor with an integrated beta compensation feature for accurate measurements of bipolar transistors and diodes. It communicates via an I²C/SMBus interface and supports multiple address options.  

### **Key Features:**  
- **Dual-Channel Temperature Sensing:**  
  - Measures remote diode temperature (external transistor)  
  - Measures local die temperature  
- **High Accuracy:**  
  - ±1°C (local temperature)  
  - ±1°C (remote temperature, diode-connected 2N3906 transistor)  
- **Beta Compensation:**  
  - Automatically corrects errors caused by variations in transistor beta (β)  
- **Wide Temperature Range:**  
  - **Operating Range:** -40°C to +125°C  
  - **Measurement Range:** -55°C to +150°C  
- **Programmable Alert Function:**  
  - Supports overtemperature and undertemperature alarms  
- **Communication Interface:**  
  - I²C/SMBus-compatible (supports up to 400kHz)  
- **Address Options:**  
  - Three selectable I²C addresses (reduces conflicts in multi-sensor systems)  
- **Low Power Consumption:**  
  - 75µA (typical operating current)  
  - 2µA (typical shutdown current)  
- **Supply Voltage Range:**  
  - 2.7V to 5.5V  
- **Package:**  
  - 8-pin VSSOP (DGK)  

### **Applications:**  
- Servers and computing systems  
- Industrial controllers  
- Power management modules  
- Consumer electronics  
- Automotive systems  

This information is based solely on TI's official specifications for the TMP431BDGKR.

Application Scenarios & Design Considerations

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

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