Shared power supply type miniature heat dissipation assembly based on power amplifier chip short circuit protection

The utility model provides a shared power supply type miniature heat dissipation assembly based on power amplifier chip short circuit protection, and relates to the field of power amplifier chips. The shared power supply type miniature heat dissipation assembly based on power amplifier chip short circuit protection comprises a box body, wherein a square hole with an upper opening and a lower opening is formed in a top plate of the box body; the fan is erected in the box body through a supporting frame, and the fan is located under the square hole; the bidirectional sliding mechanism is installed in the box body, and the bidirectional sliding mechanism is located below the square hole; and the infrared sensor is arranged on the box body, and the infrared sensor controls the bidirectional sliding mechanism to open or close the box body. The power amplifier chip short circuit protection-based shared power supply type miniature heat dissipation assembly provided by the utility model has the advantage of dust prev