Pre charge controller

switchcraft·kicad-projects·pre-charge_controller/pre-charge_controller.kicad_pcb

Pre charge controller PCB layout, top view — open source board by switchcraft

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About the Pre charge controller PCB

Pre charge controller is an open source PCB design by switchcraft, published on GitHub. It is a 2-layer board measuring 126 × 52.2 mm, with 56 components from 25 distinct parts.

Other key parts include the LM555 and MOC3083M. By type, the board carries 20 resistors, 10 capacitors, 9 diodes, 5 ICs, 5 connectors and 1 transistor.

From the project

KiCad Project files, schematic files, layout files and netlists

All contributions should adhere to the Kicad library convention, just like the standard KiCad library. See: https://github.com/KiCad/kicad-library/wiki/Kicad-Library-Convention

Main components on the Pre charge controller

Pre charge controller bill of materials (BOM)

56 components, 25 distinct parts.

Qty	Part	Footprint	Refs
2	LM555	DIP-8_W7.62mm_LongPads	U1, U2
3	MOC3083M	DIP-6_W7.62mm_LongPads	U3, U4, U5
1	BC556	TO-92_Molded_Narrow	Q1
5	Conn_01x02	MSTBA_25_2p_G_508-1757242	J1, J2, J3, J4, J5
1	Fuse	Fuseholder5x20_horiz_open_Schurter_0031_8201	F1
1	1M	Potentiometer_Trimmer_Bourns_PV36W	POT1
4	Varistor	RV_Disc_D7_W4.3_P5	RV1, RV2, RV3, RV4
2	1N4007	D_A-405_P7.62mm_Horizontal	D1, D2
1	D_Zener	D_A-405_P7.62mm_Horizontal	D3
3	GREEN	LED_D3.0mm	D4, D5, D6
3	TIC206	TO-220-3_Vertical	D7, D8, D9
1	1u	C_Disc_D5.0mm_W2.5mm_P5.00mm	C1
1	1uF/400V	C_Rect_L32.0mm_W15.0mm_P27.00mm	C2
1	330u	CP_Radial_D10.0mm_P5.00mm	C3
3	100n	C_Disc_D5.0mm_W2.5mm_P5.00mm	C4, C5, C7
1	10u	CP_Radial_D5.0mm_P2.50mm	C6
3	10n	C_Rect_L9.0mm_W3.2mm_P7.50mm_MKT	C8, C9, C10
1	100k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R1
1	100R 1W	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R2
2	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R3, R4

Show 5 more

Qty	Part	Footprint	Refs
2	200k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R5, R6
4	1k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R7, R9, R10, R11
1	470k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R8
6	360R	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R12, R13, R14, R18, R19, R20
3	330R	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R15, R16, R17

Pre charge controller design files

The KiCad project lives in the switchcraft/kicad-projects repository on GitHub; these links point at the commit this page was built from.

Layoutpre-charge_controller/pre-charge_controller.kicad_pcb

Pre charge controller: common questions

How big is the Pre charge controller PCB?

The Pre charge controller measures 126 × 52.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Pre charge controller?

56 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the Pre charge controller design files?

From the switchcraft/kicad-projects repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Pre charge controller design in my own project?

The repository has no license, so all rights stay with switchcraft. Use it as a reference, and ask the author before reusing the design.

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