| 摘要 |
The present invention discloses a reversal connection protecting circuit. The reversal connection protecting circuit includes a power supply interface, a secondary battery, a reversal connection driving unit and a power switching unit. The reversal connection protecting circuit further includes an anti-reversal unit. And the reversal connection protecting circuit further includes a processing unit and a warning interface. According to the present invention, the inconvenience brought by substituting a fuse that is melted in a protecting circuit under the condition that the power supply of the protecting circuit is reversely connected in prior art is overcome.
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