A driving circuit for an inductive device
A technology for driving circuits and devices, applied in the field of driving circuits for inductive devices, can solve the problems of non-adjustable output voltage, high power consumption of driving circuits, restricting the scope of application, etc., to achieve stable and reliable voltage, reduce data control lines, and improve compatibility. and reliability effects
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[0013] Below in conjunction with accompanying drawing, take driving electromagnet (its coil is L1) as example to describe the specific embodiment of the present invention in detail:
[0014] Such as figure 1 As shown, a drive circuit for an inductive device, including: a step-down DC-DC voltage conversion module U1 (model MP1470), a feedback circuit, and a switch connected to the output terminal SW (pin 2) of the DC-DC voltage conversion module U1 An output circuit, the output terminal of the output circuit is used as the output terminal VCC_COIL of the driving circuit, and the output circuit includes: an output inductor L2 arranged between the output terminal SW of the DC-DC voltage conversion module U1 and the output terminal VCC_COIL of the driving circuit , and an output filter capacitor connected in parallel to the output terminal VCC_COIL of the drive circuit and the ground wire GND by the parallel connection of the second capacitor C2 and the third capacitor C3; the fee...
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