Control circuit board for space station online cabinet

The invention relates to a control circuit board for a space station online cabinet. The control circuit board comprises an IIC extended GPIO chip, a three-state transceiver and at least one analog quantity acquisition chip, the IIC extended GPIO chip is used for sending a target GPIO signal to an electronic fuse corresponding to a target to-be-controlled component through the three-state transceiver according to the control instruction, so as to control the on or off of the electronic fuse corresponding to the target to-be-controlled component through the target GPIO signal, and control the on or off of a power supply circuit of the target to-be-controlled component; each analog quantity acquisition chip is used for acquiring a target analog quantity signal. The control circuit board provided by the invention can be suitable for various scenes requiring analog quantity acquisition and component control, and can realize power-on and power-off control of a low-power component of the on-line cabinet as well as