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smps rcc 02

2 years ago 614
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Description

Using spice symbols including newly added parts MMBT5551, IRF640 & MUR820.

Supply configured as step to kickstart the circuit.

Sim now runs but does not do anything that looks like a switching supply.

Check transformer inductances and ratios.

Check schematic against original.

Check voltage ratings of parts vs. RAIL voltage.

Documents

smps rcc 02

BOM

ID Name Designator Footprint Quantity
1 10 R2 AXIAL-0.3 1
2 0.22 R5 0805 1
3 1000u C2 CAP-D10.0XF5.0 1
4 1n C1 RAD-0.1 1
5 15 R3 AXIAL-0.3 1
6 15k R1 0805 1
7 Mutual_Inductor2 T1 NONE 1
8 PULSE(0 311) V1 HDR1X2 1
9 MMBT5551 Q1 SOT23 1
10 IRF640 M1 TO-220AB 1
11 MUR820 D1 MUR820_TO-220AC 1
12 100 R4 0805 1

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