Smart card and power supply switching circuit of smart card
A power switching and smart card technology, applied in the field of smart cards, can solve problems such as the inability to meet the power supply requirements and the unstable operation of the smart card system.
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] figure 1 A schematic structural diagram of the power switching circuit of the smart card provided by the preferred embodiment of the present invention is shown. For the convenience of description, only the parts related to this embodiment are shown, and the details are as follows:
[0025] like figure 1 As shown, the power switching circuit 1 of the smart card is connected to the load 2 of the smart card, and the power switching circuit 1 of the smart card includes a 7816 contact 10, an NFC antenna 20, a first voltage conversion unit 30, a second voltage conversion unit 40 and a switching u...
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