SS-Adithya/PCB-kicadThis a PCB design for a 5V DC-DC Flyback converter that is not exacty the most optimised but on a working level.
Flyback DC DC is an open-source printed circuit board by SS-Adithya, from the SS-Adithya/PCB-kicad repository on GitHub, published under the AGPL-3.0 licence. It is a 2-layer board of 200 × 100 mm with 54 parts on 31 nets, routed with 158 tracks and 16 vias.
It is built around the LTV-817, TL431D and ABS4, with the HTC-100M among its other parts. Its parts include 21 resistors, 14 capacitors, 4 diodes, 3 ICs and 2 connectors. It belongs with the power boards of this library.
This a PCB design for a 5V DC-DC Flyback converter that is not exacty the most optimised but on a working level.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | TestPoint | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP1, TP2, TP3, TP4 |
| 3 | D | Diode_SMD:D_1206_3216Metric_Castellated | D2, D3, D4 |
| 2 | 10uF/400V | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C1, C2 |
| 2 | 42.2K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R20, R21 |
| 2 | 5.11E | Resistor_SMD:R_1206_3216Metric | R7, R8 |
| 2 | 500uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C9, C11 |
| 2 | 510K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R14 |
| 1 | 0.33uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 1.1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12 |
| 1 | 1.8E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13 |
| 1 | 100pF/440V | Capacitor_THT:C_Disc_D10.5mm_W5.0mm_P7.50mm | C14 |
| 1 | 100pF/50V | Capacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C7 |
| 1 | 10E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11 |
| 1 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 2.2uF/63V | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C13 |
| 1 | 20E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 2200pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4 |
| 1 | 220nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C12 |
| 1 | 249E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R18 |
| 1 | 270nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 1 | 27pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6 |
| 1 | 32.4K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15 |
| 1 | 33K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 4.02K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 1 | 470 uH | RLB0914-471KL:RLB0914 | L1 |
| 1 | 470pF/630V | Capacitor_SMD:C_1206_3216Metric | C5 |
| 1 | 49.9E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R19 |
| 1 | 5.11M | Resistor_SMD:R_1206_3216Metric | R6 |
| 1 | 51E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 1 | 60K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | 6800pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8 |
| 1 | 680E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16 |
| 1 | 750E | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17 |
| 1 | ABS4 | Diode_SMD:Diode_Bridge_Diotec_ABS | D1 |
| 1 | FERRITE BEAD 300E | Inductor_SMD:L_0805_2012Metric_Pad1.05x1.20mm_HandSolder | L2 |
| 1 | HTC-100M | HTC-100M:HTC100M | F1 |
| 1 | LTV-817 | Package_DIP:DIP-4_W7.62mm | U2 |
| 1 | Q_NMOS_GDS | Package_TO_SOT_SMD:TO-252-2 | Q1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J2 |
| 1 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J1 |
| 1 | TL431D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | UCC28742DBVT | UCC28742DBVT:SOT95P280X145-6N | IC1 |
| 1 | Varistor | MOV-14D431KTR:MOV14D431KTR | RV1 |
| 1 | transformer | Transformer_THT:Transformer_CHK_EI42-5VA_2xSec | T1 |
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54 parts, built around the LTV-817, TL431D, ABS4 and HTC-100M. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the SS-Adithya/PCB-kicad repository on GitHub, at the commit this page was made from: the board is Flyback_DC-DC/Flyback_DC-DC.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the AGPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).