Precharge Circuit Final
About the Precharge Circuit Final PCB
Precharge Circuit Final is an open source PCB design by MADHURAMAN-afk, published on GitHub. It is a 2-layer board measuring 145 × 65 mm, with 72 components from 36 distinct parts.
Other key parts include the LM393AN, LM358AN, NE555D, 4N35 and 74AHC1G04. By type, the board carries 31 resistors, 9 connectors, 9 capacitors, 6 ICs, 5 transistors and 3 fuses.
Main components on the Precharge Circuit Final
Precharge Circuit Final bill of materials (BOM)
72 components, 36 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM393AN | DIP-8_W7.62mm_Socket | IC1 |
| 1 | LM358AN LM358AN_Obsolete ON Semiconductor | DIP-8_W7.62mm | U1 |
| 1 | NE555D | DIP-8_W7.62mm | U2 |
| 1 | 4N35 | DIP-6_W7.62mm | U3 |
| 1 | 74AHC1G04 | SOT-23-5 | U4 |
| 1 | L7805 | TO-220-3_Vertical | U5 |
| 3 | 2N3904 | TO-92_Inline_Wide | Q1, Q2, Q6 |
| 2 | IRLZ44N | TO-220-3_Vertical | Q5, Q7 |
| 3 | CONN_01X02_PIN Conn_01x02_Pin | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1, J2, J4 |
| 1 | AIR+VE | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J3 |
| 1 | ToPreChargeRelay | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J5 |
| 2 | SDC | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J6, J7 |
| 1 | To TSAL | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J8 |
| 1 | AIR-VE | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J9 |
| 1 | SN74LVC1G08DBVRE4 | SOT95P280X145-5N | AND1 |
| 3 | Fuse | Fuse_BelFuse_0ZRE0005FF_L8.3mm_W3.8mm | F1, F2, F3 |
| 3 | SRD-12VDC-SL-C | Relay_SPDT_Hongfa_HF3F-L-xx-1ZL1T | K4, K5, K6 |
| 2 | CQY99 | LED_D5.0mm_IRGrey | PRELED1, timerLED1 |
| 3 | 1N4148WT | D_A-405_P7.62mm_Horizontal | D1, D2, D3 |
| 1 | 10NF 10nF | CP_Radial_D4.0mm_P2.00mm | C1 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 10UF 10uF | CP_Radial_D4.0mm_P2.00mm | C2, C3 |
| 1 | 1NF 1nF | CP_Radial_D4.0mm_P2.00mm | C4 |
| 5 | 0.1UF 0.1uF | CP_Radial_D4.0mm_P2.00mm | C5, C6, C7, C8, C9 |
| 3 | 10K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R30, R31 |
| 11 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R4, R5, R6, R7, R11, R17, R21 +3 |
| 1 | 272K 272k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 22K 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 2 | 220K 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9, R20 |
| 1 | 330K 330k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 3 | 12K 12k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12, R19, R25 |
| 2 | 47K 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13, R22 |
| 1 | 470K 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R14 |
| 2 | 20K 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R15, R23 |
| 2 | 6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16, R18 |
| 1 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R24 |
| 1 | 4k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R28 |
Precharge Circuit Final design files
The KiCad project lives in the MADHURAMAN-afk/FSAE-TEAM-URJA-25-LV-circuits-and-documents repository on GitHub; these links point at the commit this page was built from.
Precharge Circuit Final: common questions
How big is the Precharge Circuit Final PCB?
The Precharge Circuit Final measures 145 × 65 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Precharge Circuit Final?
72 components, from 36 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Precharge Circuit Final design files?
From the MADHURAMAN-afk/FSAE-TEAM-URJA-25-LV-circuits-and-documents repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Precharge Circuit Final design in my own project?
The repository has no license, so all rights stay with MADHURAMAN-afk. Use it as a reference, and ask the author before reusing the design.
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