W83793G

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PMIC (Power Management Integrated Circuit) is an important designation in the global electronics market. Today, power management ICs are at the forefront of cutting-edge technology, providing the most advanced and efficient power solutions for a wide range of applications. In this article, we\'ll take a look at the application field and working principle of the W83793G PMIC - specifically, in the realm of thermal management.

Thermal Management Application Field

Thermal management is an essential strategy to preserve the performance and longevity of electronic components. This can be achieved by carefully controlling the temperature of electronic devices, thus avoiding any overheating and ensuring proper operation even in harsh environments. Thermal management PMICs like the W83793G are specifically designed to regulate the temperature of devices, helping to protect them from damage caused by overheating.

The W83793G provides a complete low-cost and low-power solution for thermal management applications, including fan control, system fan speed control, CPU and memory temperature monitoring, and system over-temperature protection. With its advanced capabilities, the W83793G ensures the highest level of performance, reliability, and safety.

The W83793G is designed for a wide range of applications, including desktops, servers, workstations, medical equipment, tablets, and embedded systems. It is also widely used in industrial, automotive, and defense applications.

Working Principle

The W83793G PMIC is a specialized thermal management circuit that is designed to keep the temperature of electronic components within safe and optimal limits. The device combines a set of 24-bit digital temperature sensors with on-chip computation and control functions.

The device features two thermal monitoring channels and an integrated fan control unit. The two temperature channels can be used to monitor the temperature of up to two components, such as the CPU or memory. The fan control unit enables precise control of a single fan, depending on the temperature readings.

The W83793G also includes an on-chip Digital to Analogue Converter (DAC), which is used to calibrate the thermal monitoring channels. The device also features a programmable temperature offset, allowing users to adjust the temperature measurement accuracy.

When the temperature of a monitored component exceeds a certain limit, the device will automatically activate the fan control unit. The fan will then run at the appropriate speed to ensure that the temperature stays within safe limits.

The W83793G also provides two programmable thermal trip sensors, which can be used for system over-temperature protection. These sensors can be set to trigger an interrupt when the temperature exceeds a specified limit, allowing the system to take appropriate action and avoid any damage caused by excessive heat.

Conclusion

The W83793G PMIC is a specialized thermal management circuit that helps to keep electronic components within safe and optimal temperature limits. It features two thermal monitoring channels, an integrated fan control unit, a DAC for calibration, a programmable temperature offset, and two programmabletrip sensors. The device is designed for a wide range of applications, such as desktop and server systems, embedded systems, industrial, automotive, and defense applications.

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