W83305G

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Power management ICs (PMICs) are vital components to complex electronic systems. In conditions of high power input, certain specialized IC designs offer a simple and reliable powermanagement solution. These specialized designs, such as the W83305G, efficiently provide power management by controlling the current, voltage, and switching behavior in a widerange of electronic applications. The W83305G is an integrated circuit (IC) designed to provide efficient power management for desktop CPU systems. It provides a power managementfunctionality that enables dynamic voltage and current regulation from the input power supply to the CPU.

The W83305G is a highly integrated solution specifically designed to deal with the increasing complexity of desktop processor power management. It integrates a buck controller,two synchronous buck converters, two MOSFETs, a high-side current sense amplifier, and various monitoring features. This integrated architecture allows the W83305G to providea convenient, space-saving, and low cost solution for desktop power management. Additionally, the W83305G\'s three of signal conditioning and protection features enable it tomeet the most demanding requirements of CPU power delivery.

The main features of the W83305G include two voltage regulation channels each with a 200mΩ maximum low-side MOSFET, a 100mΩ synchronous high-side MOSFET, over-currentprotection, and over-voltage protection. The voltage regulation channel also offers a 3V adjustable output voltage limit, as well as adjustable current limit up to 8.7A with fulloutput voltage range. The channels also feature a fast response time of 10us, allowing for fast power-on and power-off transitions for dynamic regulation of the CPU core voltage.The W83305G also features a soft-start feature, which limits the current inrush when the device is enabled. This soft-start is quick enough to provide an instantaneous responsewithout overshooting the maximum output current.

The W83305G also features an integrated internal temperature sensor and a thermal measurement circuit, as well as an integrated dynamic voltage frequency scaling (DVFS)controller that dynamically adjusts the CPU core voltage and frequency in response to changes in processor workloads. This ensures smooth operation and reduced power consumptionat light load conditions.

The W83305G is built on a standard CMOS process, and is therefore compatible with a wide range of CPU architectures. Its compact form factor and low power consumption makeit ideal for desktop CPU power management applications. Additionally, its integrated thermal measurement circuit allows for real-time evaluation of the power delivery environmentto ensure proper operation of the core voltage regulation channels for high-performance desktop PCs.

In summary, the W83305G is a highly integrated and efficient power management IC for desktop CPUs. It integrates a buck controller, two synchronous buck converters, twoMOSFETs, and various protection and monitoring features. Its integrated voltage and temperature sensing circuits, as well as its integrated soft-start feature, allow itto provide reliable and dynamic voltage regulation to the CPU. The W83305G\'s high degree of integration and small form factor make it ideal for desktop power management applications.

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