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STD Test per batterie 18650
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License: Public Domain
Description
Progetto per la realizzazione di un circuito che determina lo stato di carica di una batteria della serie 18650 o similari.
I quattro Led visualizzano riospettivamente
- 0% carica con **nessun** led acceso
- Ul25% carica con il primo led **rosso** acceso
- Ul50% carica con il secomdo led **rosso** acceso
- Ul75%carica con il terzo led **giallo** acceso
- Ul100% carica con il quarto led **verde** acceso
Le resistenze sono tutte da 1/8 W tranne che per la R2 che dovrà essere da 5 W
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 0.5u | C1 | RAD-0.1 | 1 |
| 2 | 1u | C2 | CAP-D3.0XF1.5 | 1 |
| 3 | Verde | LED1 | LED-3MM/2.54 | 1 |
| 4 | Giallo | LED2 | LED-3MM/2.54 | 1 |
| 5 | Rosso | LED3,LED4 | LED-3MM/2.54 | 2 |
| 6 | LED-3MM | LED5 | LED-3MM/2.54 | 1 |
| 7 | 9V | P1 | HDR-1X2/2.54 | 1 |
| 8 | Test Point | P2 | HDR-1X2/2.54 | 1 |
| 9 | 4.7 | R2 | AXIAL-0.3 | 1 |
| 10 | 1M | R3,R5,R6,R9 | AXIAL-0.3 | 4 |
| 11 | 10k | R4,R10,R11,R18,R19 | AXIAL-0.3 | 5 |
| 12 | 5 | R7 | AXIAL-0.3 | 1 |
| 13 | 22 | R8 | AXIAL-0.3 | 1 |
| 14 | 56 | R12 | AXIAL-0.3 | 1 |
| 15 | 200 | R13 | AXIAL-0.3 | 1 |
| 16 | 350 | R14,R15,R16,R21 | AXIAL-0.3 | 4 |
| 17 | 150 | R17 | AXIAL-0.3 | 1 |
| 18 | 47 | R20 | AXIAL-0.3 | 1 |
| 19 | 20k | R22 | RES-ADJ_3296W | 1 |
| 20 | Tact | SW1 | KEY-6.0*6.0-4 | 1 |
| 21 | DSIC01LSGET | SW2 | SWITCH-KE-1BIT/2.54_SMD | 1 |
| 22 | TL431AIL | U1 | SOT-23(SOT-23-3) | 1 |
| 23 | LM339DG | U2 | SOIC-14_150MIL | 1 |
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