Controllable on/off circuit
A technology of switching on and off circuit and resetting circuit, applied in the field of circuits, can solve problems such as cost increase, and achieve the effects of low cost, elimination of hardware jitter and artificial malfunction.
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[0017] See figure 2 As shown, a preferred embodiment of the present invention is provided. The controllable switch-on circuit in this embodiment includes a first reset circuit 11, a second reset circuit 12, and a self-locking circuit 13.
[0018] The first reset circuit 11 further includes a reset chip U1, an adjustment capacitor E1, and an NPN transistor Q1; the second reset circuit 12 further includes a reset chip U2, an adjustment capacitor E3, and an NPN transistor Q5; the two The reset chips U1 and U2 are R3112N241A chips, and the capacitance integration durations of E1 and E3 are different; the self-locking circuit 13 adopts a line or circuit formed by connecting two diodes D2 and D3, and the positive electrode of D2 in the self-locking circuit Connect a D3.3V power supply, the positive pole of D3 is connected to the power button S1, and the negative poles of D2 and D3 are connected to the Vdd end of the reset chip U2.
[0019] The Vdd terminal of the reset chip U1 is the i...
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