Overview
The TMP75CQDRQ1 is a digital temperature sensor manufactured by Texas Instruments, designed for automotive and industrial applications. It features a two-wire interface and an alarm function, making it suitable for precise temperature monitoring in harsh environments. This sensor is AEC-Q100 qualified, ensuring reliability in automotive electronics. With its low power consumption and high accuracy, the TMP75CQDRQ1 is ideal for applications requiring efficient thermal management.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Temperature Range | -40 to +125 | °C | |
| Supply Voltage Range | 1.4 to 3.6 | V | |
| Quiescent Current | 15 | µA | Typical |
| Shutdown Current | 0.3 | µA | Typical |
| Accuracy | ±0.25 | °C | 0°C to +70°C |
| Resolution | 12 | bit | 0.0625°C |
| Package | SOIC-8, VSSOP-8 |
Key Features
- Low power consumption with a quiescent current of 15µA.
- High accuracy with ±0.25°C typical from 0°C to +70°C.
- Programmable alarm function for temperature monitoring.
- Two-wire interface for easy integration.
- Shutdown mode for power-saving applications.
Applications
The TMP75CQDRQ1 is widely used in automotive electronics for thermal management, including engine control units and battery monitoring. It is also suitable for industrial applications such as HVAC systems, motor drives, and power supplies. Its high accuracy and low power consumption make it ideal for consumer electronics like servers, computers, and gaming consoles.
Q & A
What is the operating temperature range of the TMP75CQDRQ1?
The TMP75CQDRQ1 operates from -40°C to +125°C.
What is the supply voltage range for this sensor?
The supply voltage range is 1.4V to 3.6V.
Does the TMP75CQDRQ1 support a shutdown mode?
Yes, it features a shutdown mode for power-saving applications.
What is the typical accuracy of the sensor?
The typical accuracy is ±0.25°C from 0°C to +70°C.
What interface does the TMP75CQDRQ1 use?
It uses a two-wire interface for communication.
Is the TMP75CQDRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive use.
What is the resolution of the temperature readings?
The resolution is 12-bit, equivalent to 0.0625°C.
Can the TMP75CQDRQ1 be used in HVAC systems?
Yes, it is suitable for HVAC systems due to its high accuracy and reliability.
What is the quiescent current of the sensor?
The typical quiescent current is 15µA.
What package options are available for the TMP75CQDRQ1?
It is available in SOIC-8 and VSSOP-8 packages.
