TMP422AQDCNRQ1 The Texas Instruments TMP422AQDCNRQ1 is an automotive-qualified temperature sensor featuring two remote channels and a local sensor. It offers high accuracy and an I2C/SMBus interface.
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TMP422AQDCNRQ1

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TMP422AQDCNRQ1 is an automotive-qualified temperature sensor featuring two remote channels and a local sensor. It offers high accuracy and an I2C/SMBus interface.
✓ Total Stock: 518 pcs

TMP422AQDCNRQ1 Available from 1 distributor

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TMP422AQDCNRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
SVHC Present
Tape & Reel

TMP422AQDCNRQ1 Description

Short technical summary and product information.

The Texas Instruments TMP422AQDCNRQ1 is an automotive-qualified temperature sensor designed for monitoring remote and local temperatures. It features two remote temperature sensing channels, utilizing external diode-connected transistors typically found in microcontrollers or FPGAs. The device boasts a high accuracy of ±1°C for remote sensing and ±1.5°C for the local sensor, without requiring calibration.

 

With an operating temperature range of -40°C to 125°C, the TMP422AQDCNRQ1 is suitable for demanding automotive applications. It communicates via a two-wire I2C or SMBus compatible serial interface, supporting multiple addresses and offering features like one-shot conversion, series resistance cancellation, and diode fault detection. The sensor operates with a maximum supply current of 38µA and provides a temperature resolution of 12 bits.

 

Packaged in an 8-pin SOT-23, this surface-mount device is designed for efficient integration into various electronic systems. Its robust design and automotive qualification make it a reliable choice for thermal management solutions in automotive environments.

TMP422AQDCNRQ1 Quick Information

Product Type: Temperature Sensor
Series: TMP422-Q1
Canonical Name: TMP422AQDCNRQ1 Automotive 2-Channel Remote and Local Temperature Sensor
Subcategory: Thermal Management IC

TMP422AQDCNRQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TMP422AQDCNRQ1 Features

  • Automotive-qualified dual remote temperature sensor.
  • ±1°C remote and ±1.5°C local sensor accuracy.
  • I2C and SMBus compatible serial interface.
  • Wide operating temperature range: -40°C to 125°C.
  • 12-bit temperature resolution.

TMP422AQDCNRQ1 Applications

  • Automotive engine control modules.
  • Infotainment system thermal monitoring.
  • Advanced driver-assistance systems.
  • Battery management systems.
  • Powertrain thermal sensing.

TMP422AQDCNRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the TMP422AQDCNRQ1?

The operating temperature range is -40°C to 125°C.

What is the accuracy of the remote temperature sensor?

The remote sensor accuracy is ±1°C maximum.

What is the accuracy of the local temperature sensor?

The local sensor accuracy is ±1.5°C maximum.

What interface does the TMP422AQDCNRQ1 use?

It uses an I2C and SMBus compatible serial interface.

How many remote channels does this temperature sensor have?

It has 2 remote channels.

What is the maximum supply current for the TMP422AQDCNRQ1?

The maximum supply current is 38µA.

What package type is the TMP422AQDCNRQ1 available in?

It is available in an 8-pin SOT-23 package.

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