LM87CIMT

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Power management integrated circuit (PMIC) is an integrated circuit used in power management applications. Its purpose is to provide linear or switch mode power supply voltage regulation, current limit and power on/off functions. PMIC is a key component of electronic system since it ensures that all electronic components in the system receive stable and reliable power. Thermal management, a type of PMIC, is a technology used to regulate the temperature of a semiconductor chip or device. This technology is increasingly important for system reliability and even the size and weight reduction of product life.

The LM87CIMT, a thermal management IC from Texas Instruments, is an easy-to-design solution to monitor and control multiple ASICs and system temperatures. With advanced features such as temperature offset calibration and thermal diode input, the device is compatible with most applications and provides a compact, cost-effective solution to the need for intelligent thermal management. With its ultra-low power consumption and ease of implementation, the LM87CIMT device is ideal for mobile, server and consumer applications.

The LM87CIMT device offers a total of eight thermal and seven programmable fan output channels, allowing it to accommodate a variety of thermal management solutions, including direct cooling, heat spreading, airflow control, cooling fan speed control and temperature monitoring. These eight thermal channels can be used for fan speed control, temperature measurement, and controllable temperature offset calibration. The device also provides seven programmable fan output channels, which can be programmed to manage the power distribution of up to seven memory modules.

The LM87CIMT device uses a thermal diode input, allowing it to accurately measure the temperature of an individual chip and report it back to the system controller. The device also utilizes a temperature offset calibration feature, which allows users to adjust the temperature reading by adding or subtracting a predetermined value. This feature allows the device to accurately measure temperatures across the entire system.

In addition, the device provides numerous protection features, such as Automatically Disconnecting Semiconductor Over Temperature Protection (ADTOTP) and Automatic Shutdown (AS). ADTOTP prevents over-temperature conditions from causing catastrophic damage to the system. AS will shut down the power supply when the temperature of the device matches the AS Level setting. This feature prevents damage to sensitive components due to excessive heat.

Finally, the LM87CIMT device also supports the implementation of additional safety and reliability features, such as the ability to detect open fan or disconnected fans. This feature permits the system to immediately shut down power to the system in order to prevent any overheating or other damage. The device also supports system monitoring, providing the user with detailed reports on system temperatures and fan speeds. This information can be used to further optimize the system cooling process.

The LM87CIMT is an ideal solution for a wide variety of thermal management applications, offering a compact and cost-effective solution for intelligent thermal control. With its ability to monitor multiple ASICs and system temperatures, as well as providing multiple protection features, the LM87CIMT offers users a reliable solution to power management and thermal management requirements.

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