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Name: TMP431ADGKR
Brand: Texas Instruments
SKU: TMP431ADGKR
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 TMP431ADGKR

Part No.:: TMP431ADGKR

Manufacturer:: Texas Instruments

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: TMP431ADGKR.pdf

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

In Stock:: 3847

Quantity:: Add To Cart

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TMP431ADGKR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
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:
12 b
Features:
One-Shot, Output Switch, Programmable Limit, Programmable Resolution, Shutdown Mode
Accuracy-Highest(Lowest):
±1°C (±2.5°C)
TestCondition:
0°C ~ 100°C (-40°C ~ 125°C)
OperatingTemperature:
-55°C ~ 127°C
MountingType:
Surface Mount

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TMP431ADGKR information

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TMP431ADGKR Typical application Circuitry Schematics

The TMP431ADGKR is a remote and local temperature sensor monitor with built-in local digital temperature sensor from Texas Instruments. The remote temperature sensor is a thermal diode found in many microprocessors or a transistor with a diode connection, such the 2N3904. The remote temperature accuracy is ±1°C for multiple IC manufacturers. Here's a general overview of the key components you need to consider in a typical application circuit:

1. Power Supply: The TMP431ADGKR operates from 3.0V to 3.6V, and it typically requires decoupling capacitors at the supply pins for noise reduction. To power the IC, you could require a switch mode power supply or a power supply circuit with a linear regulator.

2. Temperature Sensors: The TMP431ADGKR can measure temperature from a local sensor integrated into the IC and a remote sensor. The remote sensor can be a diode-connected transistor or a thermal diode present in CPUs or microcontrollers. You need to connect the D+ and D- pins of the TMP431ADGKR to the base and collector of the remote NPN transistor or the anode and cathode of the thermal diode.

3. Alert Output: The ALERT output becomes active when the measured temperature crosses the programmed limits. This may be used to turn on a cooling fan or attached to a microcontroller's interrupt input.

4. Address Pins (A0, A1, A2): These pins are used to set the I2C address for the TMP431ADGKR. By connecting them to GND or VDD, you can set one of eight I2C addresses.

5. I2C Interface: In I2C, the SDA and SCL pins are utilized. These can be connected to the I2C interface of a microcontroller. Pull-up resistors to VDD are typically required on these lines.

6. Configuration Resistors: The conversion rate, the remote sensor type, and the offset can be set using resistors connected from the relevant pin (CONV, D+, D-) to GND.

Always refer to the datasheet for the specific device to understand the required connections, recommended external components, and operating conditions. For example, the exact values of the pull-up resistors and decoupling capacitors will be given in the datasheet. Also, the datasheet will explain how to calculate the value of the configuration resistors. Once your circuit is built, you can read the temperature data from the TMP431ADGKR via I2C and use this data in your application. For example, you can use this data to control a cooling fan, to log temperature data, or to shutdown or reduce the performance of a system when it becomes too hot.

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6. What is the process for return or replacement of TMP431ADGKR?

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 TMP431ADGKR we delivered, we will accept the replacement or return of the TMP431ADGKR 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 TMP431ADGKR.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations