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Name: LM95234CISD/NOPB
Brand: Texas Instruments
SKU: LM95234CISD/NOPB
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 LM95234CISD/NOPB

Part No.:: LM95234CISD/NOPB

Manufacturer:: Texas Instruments

Package:: 14-WFDFN Exposed Pad

Datasheet:: LM95234CISD/NOPB.pdf

Description:: SENSOR DIGITAL -40C-125C 14WSON

In Stock:: 3122

Quantity:: Add To Cart

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LM95234CISD/NOPB Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
TruTherm™
ProductStatus:
Active
SensorType:
Digital, Local/Remote
SensingTemperature-Local:
-40°C ~ 125°C
SensingTemperature-Remote:
-40°C ~ 125°C
OutputType:
SMBus
Voltage-Supply:
3V ~ 3.6V
Resolution:
10 b
Features:
One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode
Accuracy-Highest(Lowest):
±2°C
TestCondition:
-40°C ~ 125°C
OperatingTemperature:
-40°C ~ 140°C
MountingType:
Surface Mount

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LM95234CISD/NOPB information

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LM95234CISD/NOPB Typical application Circuitry

The LM95234CISD/NOPB is a digital temperature sensor and thermal monitoring device. It's particularly designed to monitor the temperature of various components within a system, like microprocessors, graphics processing units (GPUs), and other ICs that generate heat during operation.

1. Function of the Chip: The LM95234CISD/NOPB primarily monitors system temperature, allowing the system to adapt and respond to changing thermal conditions. This can mean activating cooling mechanisms or warning the system when temperatures reach dangerous levels.

2. Application Scenarios: This chip is typically found in computer systems, including servers, desktops, and laptops. It is also used in other devices that require effective thermal management, such as telecommunications equipment, industrial machines, and consumer electronics.

3. Characteristic Parameters: The LM95234CISD/NOPB has a temperature accuracy of ±1 °C. It can monitor the temperature of four different components simultaneously, with one local (on-chip) diode and up to three remote diodes. It operates from a 3V to 3.6V supply voltage and uses an SMBus 2.0 or I2C interface for communication.

For instance, let's consider the use of LM95234CISD/NOPB in a desktop computer for temperature monitoring:

Pin Connections:

1. Power and Ground: Connect VDD (pin 3) to the 3.3V power supply and GND (pin 4) to the system ground.

2. SMBus/I2C Interface: Connect SDA (pin 2) and SCL (pin 1) to your system's SMBus or I2C interface.

3. Remote Diode Inputs: Connect D+ (pins 6, 8, and 10) and D- (pins 5, 7, and 9) to the diodes of the components you want to monitor.

4. Local Diode Input: No external connection is required as the local diode is integrated within the IC.

Design Considerations:

1. Proper Diode Selection: Ensure you use compatible diodes for the remote temperature monitoring. The diodes should be located near or within the heat-generating ICs for accurate temperature measurements.

2. Noise Consideration: Ensure that the diode leads are as short as possible and twisted together to minimize noise and increase measurement accuracy.

3. Address Configuration: The LM95234CISD/NOPB offers one programmable SMBus address pin, ADD0 (pin 12), allowing multiple devices to be used in a system. Be sure to set this address correctly to prevent communication issues.

4. Data Rate: The device offers programmable conversion rates and a standby mode to optimize the balance between noise reduction and response time.

5. Interrupts: The device provides two interrupt outputs, T_CRIT_A (pin 11) and T_CRIT_B (pin 13). These can be used to initiate protective actions if the temperature exceeds the programmed critical limits.

Always refer to the LM95234CISD/NOPB datasheet and perform the necessary simulations before designing your application.

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6. What is the process for return or replacement of LM95234CISD/NOPB?

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 LM95234CISD/NOPB we delivered, we will accept the replacement or return of the LM95234CISD/NOPB 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 LM95234CISD/NOPB.

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

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(1)Inform us within 90 days

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