Overview
The TMP461AIRUNT-S is a high-accuracy digital temperature sensor IC produced by Texas Instruments. This device is designed to provide precise temperature measurements for both local and remote sensing applications. It features a built-in local temperature sensor and can monitor remote temperature sensors such as NPN or PNP transistors, substrate thermal transistors, or diodes integral to microprocessors, microcontrollers, or field-programmable gate arrays (FPGAs). The TMP461AIRUNT-S is known for its low power consumption and robust thermal monitoring capabilities, making it suitable for a wide range of applications including industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Description |
|---|---|
| Part Number | TMP461AIRUNT-S |
| Manufacturer | Texas Instruments |
| Mounting Style | Surface Mount |
| Package Type | 10-WQFN (2x2) |
| Local Sensing Range | -40°C to 125°C |
| Remote Sensing Range | -64°C to 191°C |
| Accuracy | ±1°C (highest), ±1.25°C (lowest) |
| Supply Voltage | 1.7V to 3.6V |
| Output Type | SMBus |
| Resolution | 12-bit (0.0625°C resolution) |
| Operating Temperature | -40°C to 125°C |
Key Features
- High accuracy (±1°C) for both local and remote temperature sensing.
- Pin-programmable bus address for flexible system integration.
- Programmable temperature limits for alert functionality.
- Multiple operating modes: shutdown, standby, and one-shot.
- Wide remote sensing range (-64°C to 191°C).
- Low supply voltage operation (1.7V to 3.6V).
- Compact 10-WQFN (2x2) package for space-constrained applications.
- Series resistance cancellation, η-factor and offset correction, and programmable digital filter.
- Diode fault detection and two-wire SMBus serial interface compatible with pin-programmable address.
Applications
The TMP461AIRUNT-S is commonly used in various applications requiring high-accuracy temperature measurement, such as:
- Automotive systems for engine and battery temperature monitoring.
- Industrial applications for equipment temperature control and monitoring.
- Medical devices for precise temperature measurements.
- Consumer electronics for thermal management in devices like smartphones and laptops.
- Communication and computing systems for server and data center temperature monitoring.
Q & A
- What is the part number of this temperature sensor?
The part number is TMP461AIRUNT-S.
- Who is the manufacturer of the TMP461AIRUNT-S?
The manufacturer is Texas Instruments.
- What is the package type of the TMP461AIRUNT-S?
The package type is 10-WQFN (2x2).
- What is the local sensing temperature range of the TMP461AIRUNT-S?
The local sensing range is -40°C to 125°C.
- What is the remote sensing temperature range of the TMP461AIRUNT-S?
The remote sensing range is -64°C to 191°C.
- What is the accuracy of the TMP461AIRUNT-S?
The accuracy is ±1°C (highest) and ±1.25°C (lowest).
- What is the supply voltage range of the TMP461AIRUNT-S?
The supply voltage range is 1.7V to 3.6V.
- What communication protocol does the TMP461AIRUNT-S support?
The device supports the SMBus communication protocol.
- What are some key features of the TMP461AIRUNT-S?
Key features include high accuracy, pin-programmable bus address, programmable temperature limits, multiple operating modes, and a compact package.
- In which applications is the TMP461AIRUNT-S commonly used?
It is used in automotive, industrial, medical, and consumer electronics applications.
