Power management circuit
A power management and circuit technology, applied in the direction of program control, instruments, valve details, etc., can solve the problem of increased power consumption of the whole machine of the intelligent valve positioner, and achieve the effect of saving the power consumption of the whole machine
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[0023] Example one
[0024] figure 1 A power management circuit diagram provided in the first embodiment of this application.
[0025] Such as figure 1 As shown, the power management circuit includes: two logic circuits 1 and a single-chip microcomputer 2, wherein the two logic circuits 1 are connected in parallel, and each logic circuit 1 includes a regulator LDO and a peripheral circuit to ensure the normal operation of the regulator LDO And pressure sensor 11.
[0026] Two IO interfaces are provided on the single-chip microcomputer 2. In the embodiment of the present application, the two IO interfaces on the single-chip microcomputer 2 are represented by IN1 and IN2, respectively. The main function of the two IO interfaces on the single-chip microcomputer is to send high and low level signals in rounds. In the embodiment of the present application, the time interval for the two IO interfaces on the single-chip microcomputer to send high and low signals in a round-robin manner ...
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