Satellite power supply management device and system

The embodiment of the utility model discloses a satellite power supply management device and system. The satellite power management device comprises a telemetering and remote control transmission module, wherein the telemetering and remote control transmission module comprises an address line unit, a gating unit and a plurality of remote control data line units and telemetering data line units; the address line unit is in communication connection with a satellite service computer through a plurality of first address lines, and the address line unit is used for sending enable signals to the gating unit according to signals transmitted by the first address lines; the gating unit is in communication connection with a satellite service computer through a plurality of second address lines and is used for sending chip selection signals to the remote control data line unit or the telemetering data line unit according to signals transmitted by the second address lines; and the remote control data line unit and the te