The function of the board power management chip is to output each supply or control voltage according to the feedback information in the circuit, after internal adjustment, mainly responsible for identifying the CPU power supply amplitude, and supplying power to the CPU, memory, AGP, chipset, etc.
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The power supply of the mainboard power management chip is usually 12V or 5V. If the power management chip is damaged, the motherboard will not work.
Common motherboard power management chip models are:
1. HIP6301. HIP6302, HIP6601, HIP6602. HIP6004B. HIP6016 of the HIP series
HIP6018B. HIP6020. HIP6021.
2. rt9227。RT923l。RT9238。RT9247。RT9713。rt9774等。
SC7750。SC7152。SC1753。SC2643。sc1189等。
In desktop power supplies, the most common switching power chip is TL494 (or KA7500, the two are actually the same