Power supply on-off control circuit for small electronic product
The utility model provides a power supply on-off control circuit for a small electronic product, which comprises a power supply charging circuit, a power supply output interface circuit, a power supply voltage regulation main control circuit and a power supply direct supply circuit, the output end o...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a power supply on-off control circuit for a small electronic product, which comprises a power supply charging circuit, a power supply output interface circuit, a power supply voltage regulation main control circuit and a power supply direct supply circuit, the output end of the power supply charging circuit is connected with the input end of the power supply output interface circuit, a power supply is arranged in the power supply output interface circuit, and the output end of the power supply output interface circuit is connected with the input end of the power supply voltage adjusting main control circuit and the input end of the power supply direct supply circuit. The output end of the power supply voltage regulation main control circuit is connected with the input end of the power supply direct supply circuit, the input end of the power supply charging circuit and a control mainboard of the small electronic product, and the output end of the power supply direct supply circuit is |
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