LM81CIMTX-3/NOPB Integrated Circuits (ICs)

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

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Introduction

The LM81CIMTX-3/NOPB is a power management integrated circuit (PMIC) particularly designed for thermal management. By combining the benefit of both heat transfer and electrical control, LM81CIMTX-3/NOPB is used in mobile applications where the need to limit thermal energy dissipation is a top priority. The LM81CIMTX-3/NOPB boast a wide input voltage range from 6V to 30V and provide users with flexibility in selecting the most suitable and suitable operating conditions for an application.

Application Field

Due to its excellent thermal performance and strong control capabilities, the LM81CIMTX-3/NOPB provides an effective solution for a wide range of mobile applications with thermal management in mind. The LM81CIMTX-3/NOPB is designed to replace traditional fan and heat sink solutions to save board space and to bring the convenience of thermal management on the IC level.For example, the LM81CIMTX-3/NOPB is well-suited to applications with a limited space or budget such as smartphones and tablets, where the need to optimize thermal management is particularly urgent. The LM81CIMTX-3/NOPB can be used with closed loop thermal control circuitry to deliver maximum thermal protection for applications such as CPUs and GPUs.The LM81CIMTX-3/NOPB is also ideal for various types of embedded systems and automotive applications, where the IC offers a versatility that includes the ability to monitor the internal temperature and protect against over-temperature conditions.

Working Principle

At the core of the device is the thermal control engine that combines both dynamic thermal control and over-temperature protection. The device uses a linear thermal control loop mapped with multiple temperature sensors. When the temperature increases in the system, the control loop adjusts the power output to dissipate the heat and maintain the desired temperature.When the temperature reaches the set point, the device will be set to maximum power output, and when the temperature begins to drop, the power will be automatically reduced to keep the temperature at the desired level. Additionally, when the temperature hits the over-temperature protection set point, the device is set to cut off the power output.The LM81CIMTX-3/NOPB also boasts robust control capabilities, including programmable temperature control settings and adjustable thermal parameters. Furthermore, the device can be customized to work with specific components and systems to meet the needs of a particular application.

Conclusion

In conclusion, the LM81CIMTX-3/NOPB is a powerful and versatile power management IC especially designed for thermal management. It offers excellent thermal performance, strong control capabilities, wide input voltage range and the ability to be tailored for specific components and systems. With its efficient approach to thermal management, the device is an ideal solution for various types of mobile, embedded and automotive applications.

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