W83795G

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The W83795G is a fan controller that is designed for PMIC (power management IC) and thermal management applications. It is an integrated circuit that provides intelligent control of fan speed and power management.

The device has nine voltage regulators, one for each fan, and can provide up to 600 mA of current. It also has three temperature sensors that can be used to monitor system temperature and adjust fan speed accordingly. The device has four fan speed settings and can be programmed to operate the fan in Automatic or Manual modes. In the Automatic mode, the device will adjust fan speed based on the temperature readings from the three temperature sensors.

The W83795G also has two fan tachometer inputs, one for each fan, which can be used to read fan speed and control fan speed accordingly. The device can also be programmed to detect and alert if fan speed is too low or too high. In addition, the device supports fan speed profiling, which allows the user to set fan speeds for different fan speed settings.

The device has several features that make it well suited for PMIC and thermal management applications. For example, the device has a Dynamic Voltage and Frequency Scaling (DVFS) feature which allows the controller to adjust the supply voltage and clock frequency based on the system environment or load. This ensures that the system can stay within its thermal limits and provides additional flexibility when it comes to power management.

The W83795G also includes other features such as temperature monitoring and fan control, which provides enhanced power savings and thermal performance. The fan speed control feature ensures that the fan is operating at the optimum speed for maximum performance, while also providing additional acoustic comfort.

The W83795G also has a variety of protection features such as over-temperature protection and under-voltage protection. These features ensure that the device is protected from damage in the event of an over temperature or under voltage situation. The device also has a power-on reset (POR) feature which will reset the device after a power failure.

The W83795G is suitable for use in a variety of applications, ranging from consumer electronics, mobile devices and servers, to industrial and automotive applications. Its features make it well-suited for power management and thermal management applications, helping to ensure optimum system performance and reliability.

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