Microampere-scale charging and discharging control circuit for low-power-consumption circuit and low-power-consumption circuit
A charge-discharge control and low power consumption technology, applied in circuit devices, battery circuit devices, collectors, etc., can solve the problem of high cost
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[0012] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0013] Such as figure 1 As shown, a microamp level charge and discharge control circuit for low power consumption circuits provided by the invention includes a voltage doubler rectifier circuit a, and the voltage doubler rectifier circuit a receives the current input by the power acquisition mechanism in the low power consumption circuit , further comprising a power supply circuit b and a signal processing circuit c;
[0014] The power supply circuit b includes a first power supply branch b1, a second power supply branch b2, and a third power supply branch b3. A battery BT1 and a third diode VD3 are connected in series in the first power supply branch b1, a fourth diode VD4 is connected in series in the second power supply branch b2, and the third power supply branch b3 includes a field The effect transistor VT1, the fifth diode VD5 and the energy storage capacitor ...
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