Manufacturing method of high-voltage output DCDC power supply module
The invention discloses a manufacturing method of a high-voltage output DCDC power supply module, which belongs to the technical field of bi-directional couplers, and comprises the following steps: a main circuit board adopts a flyback conversion topology and a voltage doubling rectifying circuit to...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a manufacturing method of a high-voltage output DCDC power supply module, which belongs to the technical field of bi-directional couplers, and comprises the following steps: a main circuit board adopts a flyback conversion topology and a voltage doubling rectifying circuit to convert 28V low-voltage direct current input into 3600V high-voltage direct current output, and a control circuit adopts a PWM (Pulse Width Modulation) controller built by a 555 time-base circuit; pCB layout is carried out, a high-voltage and low-voltage partition layout mode is adopted, two sides are isolated by a high-frequency transformer in the middle, a main circuit printed board in the shell is placed in the shell after a welding test is completed, AB glue is poured into the shell at the same time, an epoxy board is covered and installed, and the epoxy board and the shell are embedded together and fixed. And placing the power supply module in a baking oven at 70 +/-5 DEG C for baking. According to the invent |
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