TV Card with Power-Switching Function

摘要

A TV card with power-switching function is provided. The TV card comprises a TV card chip module, a power-switching module and a connecting interface. The power switching module is connected to the TV card chip module to transfer or block a power to the TV card chip module; the connecting interface is connected to the power-switching module and a host, wherein the host provides the power to the power-switching module through the connecting interface; the connecting interface further comprises a reserved pin to receive and transfer a switching signal to the power-switching module through the connecting interface to enable the power-switching module to transfer or block the power to the TV card chip module.