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STD DCC GBM-SMD
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Update time：
2024-01-02 15:41:37
Creation time：
2020-07-22 15:54:00
Description
Track Occupancy decoder / GBM (Gleis Besetzt Meldung)
Decoder for the DCC system to detect if tracks are occupied. Detection is performed by measuring voltage over a resistor / (high speed) diode. Feedback to the master station uses the RS-Bus.
This is the SMD equivalent of an earlier Through Hole Component version.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer Part | BOM_Manufacturer | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 100nF | C30,C4,C5,C6,C7,C8,C9,C23 | C0402 | 8 | LCSC | CL05B104KO5NNNC | SAMSUNG | C1525 |
| 2 | ZMM5V6 | D31 | LL-34_L3.5-W1.5-RD | 1 | LCSC | ZMM5V6 | SEMTECH | C8062 |
| 3 | 1N4148 | D32,D21 | SOD-323_L1.8-W1.3-LS2.5-RD | 2 | LCSC | 1N4148WS T4 | CJ | C2128 |
| 4 | 4N35S-TA1 | OK1 | OPTO-SMD-6_L8.5-W6.5-P2.54-LS9.2-BL | 1 | LCSC | 4N35S-TA1 | LITEON | C115444 |
| 5 | EL357N(C) | OK2,OK22 | SOP-4_L3.9-W4.4-P2.54-LS7.0-TL | 2 | LCSC | EL357N(C)(TA)-G | EVERLIGHT | C29981 |
| 6 | 100 | R31,R32,R1,R2,R3,R4,R5,R6,R7,R8 | R0603 | 10 | LCSC | 0603WAF1000T5E | UniOhm | C22775 |
| 7 | 33 | R33 | R0603 | 1 | LCSC | 0603WAF330JT5E | UniOhm | C23140 |
| 8 | 22K | R34 | R0402 | 1 | LCSC | 0402WGF2202TCE | UniOhm | C25768 |
| 9 | 220 | R35 | R0603 | 1 | LCSC | 0603WAF2200T5E | UniOhm | C22962 |
| 10 | 1.5K | R36,R21,R22,R23,R24,R29 | R0805 | 6 | LCSC | 0805W8F1501T5E | UniOhm | C4310 |
| 11 | MMBT5401 | T31,T21 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 2 | LCSC | MMBT5401 | CJ | C8326 |
| 12 | MMBT5551 | T32,T33,T34 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 3 | LCSC | MMBT5551 | CJ | C2145 |
| 13 | 100uF | C1 | CAP-SMD_BD6.3-L6.6-W6.6-RD | 1 | LCSC | VZT101M1HTR-0607 | Lelon | C311622 |
| 14 | 10uF | C2 | CAP-SMD_L3.2-W1.6-R-RD | 1 | LCSC | TAJA106K016RNJ | AVX | C7171 |
| 15 | 100nF | C3 | C0603 | 1 | LCSC | CC0603KRX7R9BB104 | YAGEO | C14663 |
| 16 | 15pF | C21,C22 | C0402 | 2 | LCSC | 0402CG150J500NT | FH | C1548 |
| 17 | ES3D | D1,D2,D3,D4,D5,D6,D7,D8,D9,D10,D11,D12,D13,D14,D15,D16,D18 | SMB_L4.6-W3.6-LS5.3-R-RD | 17 | LCSC | ES3D | MDD | C64975 |
| 18 | T0603HI0750TM | FUSE1 | F0603 | 1 | LCSC | T0603HI0750TM | AEM | C311067 |
| 19 | 600Ω | L1 | L0805 | 1 | LCSC | GZ2012D601TF | Sunlord | C1017 |
| 20 | 10uH | L2 | L0805 | 1 | LCSC | SDFL2012S100KTF | Sunlord | C1046 |
| 21 | 22 | R18 | R1206 | 1 | LCSC | 1206W4F220JT5E | UniOhm | C17958 |
| 22 | 10K | R19,R25,R26 | R0402 | 3 | LCSC | 0402WGF1002TCE | UniOhm | C25744 |
| 23 | 0 | R20 | R1206 | 1 | LCSC | 1206W4F0000T5E | UniOhm | C17888 |
| 24 | 1K | RN1,RN2 | RES-ARRAY-SMD_0603-8P-L3.2-W1.6-BL | 2 | LCSC | 4D03WGJ0102T5E | UniOhm | C20197 |
| 25 | ATMEGA16A-AU | U1 | TQFP-44_L10.0-W10.0-P0.80-LS12.0-BL | 1 | LCSC | ATMEGA16A-AU | MICROCHIP | C5658 |
| 26 | L78M05ABDT-TR | U2 | TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL | 1 | LCSC | L78M05ABDT-TR | STMicroelectronics | C58069 |
| 27 | 11.0592MHz | X1 | OSC-SMD_L5.0-W3.2 | 1 | LCSC | X5032110592MSB2GI | YXC | C112574 |
| 28 | MB10S_C2488 | D22 | DIO-BG-SMD_4P-L4.9-W4.0-P2.54-LS7.0-TL | 1 | LCSC | MB10S | MDD | C2488 |
| 29 | 19-213/Y2C-CQ2R2L/3T(CY) | LED1 | LED0603-R-RD | 1 | LCSC | 19-213/Y2C-CQ2R2L/3T(CY) | EVERLIGHT | C72038 |
| 30 | 6N137 | OK21 | SMD-8_L9.8-W6.6-P2.54-LS10.3-BL | 1 | LCSC | 6N137S1(TA) | Everlight Elec | C110020 |
| 31 | 100 | R27 | R0805 | 1 | LCSC | 0805W8F1000T5E | UniOhm | C17408 |
| 32 | 1K | R28 | R0603 | 1 | LCSC | 0603WAF1001T5E | UniOhm | C21190 |
| 33 | TS-1187A-C-C-B | SW1 | SW-SMD_4P-L5.1-W5.1-P3.70-LS6.4 | 1 | LCSC | TS-1187A-C-C-B | XKB Enterprise | C318889 |
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