LM81BIMTX-3/NOPB Integrated Circuits (ICs)

Topology:	ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
Base Part Number:	LM81
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.8 V ~ 3.8 V
Output Fan:	Yes
Output Alarm:	Yes
Output Type:	2-Wire SMBus
Series:	--
Accuracy:	±3°C(Max)
Sensing Temperature:	-40°C ~ 125°C
Sensor Type:	Internal and External
Function:	Hardware Monitor
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

PMIC - Thermal Management is an important aspect of electronic design, which involves controlling the temperature of electronic components to ensure their safe and dependable operation. The LM81BIMTX-3/NOPB is a specifically designed device for PMIC - Thermal Management, which includes its application field and working principle. In this article, we will discuss the application field and working principle of the LM81BIMTX-3/NOPB.

Application Field

The LM81BIMTX-3/NOPB is used to control the temperature in high power electronics, such as the processors in portable computers and communication systems, FPGAs and GPUs in industrial applications, and high power LEDs in automotive and residential lighting. This device is widely used in server, computing, networking, communications, industrial and consumer applications.

Working Principle

The LM81BIMTX-3/NOPB works by monitoring the temperature of a component and regulating the power consumption accordingly. It uses a Temperature Sense Block (TSB) for capturing temperature data and providing power control signals. The TSB is connected to an I2C interface, which communicates the temperature data to a monitoring microcontroller. The microcontroller then examines the data and sends output signals to other controlled devices in order to adjust the power to maintain a specific temperature range.The LM81BIMTX-3/NOPB also has two analog temperature sensors, which measure the temperature of two different components. These temperature sensors can either be connected to an I2C interface or an analog interface. The analog interface is useful in applications where the temperature needs to be monitored in real-time and regulated.The LM81BIMTX-3/NOPB also provides up to three fan control outputs. These output signals can be used to control fans, pumps, and other cooling systems. The device can also be configured to provide digital or analog output, which can be used to control other devices, such as onboard controllers and digital displays.

Conclusion

The LM81BIMTX-3/NOPB is a specifically designed device for PMIC - Thermal Management, which can be used to control the temperature of high power electronics. It uses a temperature sense block to capture temperature data, two analog temperature sensors to measure temperature, and up to three fan control outputs to control cooling systems. This device is widely used in server, computing, networking, communications, industrial and consumer applications.

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