| 摘要 |
<p>Disclosed is a charging protection circuit. The charging protection circuit comprises a wireless charging base and a charging receiving circuit. The charging receiving circuit comprises a first receiving coil which is set to receive electromagnetic waves from the wireless charging base; a high-permeability magnetic core which is coupled to the first receiving coil and is set to block electromagnetic waves opposite to the electromagnetic waves of the wireless charging base; a detection circuit which is coupled to the high-permeability magnetic core and is set to detect whether the high-permeability magnetic core has failed; and a power supply circuit which is coupled to the high-permeability magnetic core and is set to convert the electromagnetic energy generated by the electromagnetic waves into electric energy to supply power to a power receiving device. According to the technical solution provided in the present invention, the serious result caused by continuous charging of a wireless charger after a high-permeability magnetic core has failed is avoided, and the security of a power receiving device is guaranteed.</p> |
