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Name: TMP421AIDCNRG4
Brand: Texas Instruments
SKU: TMP421AIDCNRG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments TMP421AIDCNRG4

Part No.:: TMP421AIDCNRG4

Manufacturer:: Texas Instruments

Package:: SOT-23-8

Datasheet:: TMP421AIDCNRG4.pdf

Description:: SENSOR DIGITAL -40C-125C SOT23-8

In Stock:: 3441

Quantity:: Add To Cart

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TMP421AIDCNRG4 Specifications

Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
SensorType:
Digital, Local/Remote
SensingTemperature-Local:
-40°C ~ 125°C
SensingTemperature-Remote:
-64°C ~ 191°C
OutputType:
SMBus
Voltage-Supply:
2.7V ~ 5.5V
Resolution:
11 b
Features:
One-Shot, Output Switch, Programmable Limit, Shutdown Mode
Accuracy-Highest(Lowest):
±1.5°C (±2.5°C)
TestCondition:
15°C ~ 85°C (-40°C ~ 125°C)
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

TMP421AIDCNRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TMP421AIDCNRG4 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for TMP421AIDCNRG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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TMP421AIDCNRG4 information

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TMP421AIDCNRG4 Typical application Circuitry

TMP421AIDCNRG4

The TMP421AIDCNRG4 is a precision temperature sensor chip with a remote sensor interface, designed by Texas Instruments. TMP421AIDCNRG4 It is highly regarded for its dual-channel capability, allowing it to measure both its own temperature and that of a remote diode. This feature, combined with its I2C/SMBus interface, makes it ideal for various applications where accurate temperature monitoring is crucial.

Functionality of the TMP421AIDCNRG4

This temperature sensor is capable of local and remote temperature measurements. Its digital interface via I2C/SMBus simplifies integration into various systems, enabling precise temperature monitoring and control.

Application Scenarios

1. Server and Computer Systems: Optimal for monitoring CPU and other critical component temperatures.

2. Telecommunications Equipment: Used to ensure optimal operating temperatures in networking devices.

3. Industrial Controls: Applicable in systems that require precise temperature regulation for process control.

Key Specifications

- Remote Temperature Sensing: Enables measurement of temperatures at locations separate from the sensor itself.

- Local Temperature Measurement: Offers accurate onboard temperature monitoring.

- I2C/SMBus Interface: Facilitates digital communication with controllers and processors.

- Programmable Overtemperature Alert: Allows configuration of temperature thresholds for system protection.

- Low Power Operation: Ideal for energy-efficient designs.

- Wide Operating Temperature Range: Ensures versatility in different environmental conditions.

- High Accuracy and Resolution: Provides precise temperature data.

- Compact Packaging (10-pin MSOP): Suitable for integration into space-constrained designs.

Circuit Design: Server Thermal Management

Incorporating the TMP421AIDCNRG4 into a server thermal management system involves detailed configuration:

1. Power Supply (Pin 10 - VDD)

- Connect to a 3.3V or 5V supply. Ensure the power source is stable for accurate readings.

2. Grounding (Pin 5 - GND)

- This pin should be firmly connected to the TMP421AIDCNRG4 system's ground to reduce noise and enhance accuracy.

3. Digital Communication (Pin 8 - SDA)

- Attach to the server's I2C data line for digital temperature data transmission.

4. Clock Line (Pin 7 - SCL)

- Connect to the I2C clock line to synchronize data transfer.

Design Considerations

- Stable Power Source: Critical for the sensor's precision and reliability.

- Effective I2C Communication: Ensure clear and uninterrupted data transfer for real-time temperature monitoring.

- Remote Diode Interface: Properly connect a thermal diode for remote temperature sensing.

- Alert Configuration: Set up programmable overtemperature alerts to protect critical components.

- Noise Mitigation: Design the circuit to minimize electrical interference, especially in high-density server environments.

- Sensor Placement: Strategically position the sensor for representative temperature readings.

- Integration with Control Systems: Ensure seamless integration with the server's thermal management system.

- Durability and Performance: Opt for components that maintain performance in the server's operating temperature range.

In summary, the TMP421AIDCNRG4 is a versatile and precise temperature sensor, perfect for applications like server thermal management, where dual temperature sensing, digital interfacing, and programmable alerts are essential. Designing a circuit with this sensor requires careful consideration of power stability, communication integrity, sensor positioning, and effective integration into the broader thermal management system for effective and reliable temperature monitoring.

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6. What is the process for return or replacement of TMP421AIDCNRG4?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TMP421AIDCNRG4 we delivered, we will accept the replacement or return of the TMP421AIDCNRG4 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TMP421AIDCNRG4.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations