Mega laser driver

adeboni·laser-projector·2023/hardware/mega_laser_driver/mega_laser_driver.kicad_pcb

Mega laser driver PCB layout, top view — open source board by adeboni

About the Mega laser driver PCB

Mega laser driver is an open source PCB design by adeboni, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 100 × 100 mm, with 93 components from 40 distinct parts.

Other key parts include the C71035, LM324, LM2576S-ADJ and TEN20-2422WIN. By type, the board carries 32 resistors, 15 capacitors, 14 diodes, 8 connectors, 6 ICs and 4 transistors.

From the project

This project is for a quadruple laser projection controller, aimed at supporting room-scale projections

Main components on the Mega laser driver

C71035LM324 LM2576S-ADJTEN20-2422WIN

Mega laser driver bill of materials (BOM)

93 components, 40 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	C71035 LM2576S-ADJ	TO-263-5_TabPin3	U1
2	LM324	SOIC-14_3.9x8.7mm_P1.27mm	U2, U3
2	LM2576S-ADJ	TO-263-5_TabPin3	U4, U5
1	TEN20-2422WIN	PYBE30-Q24-D15	U6
3	TIP120	TO-220-3_Horizontal_TabDown	Q1, Q2, Q4
1	2N7002	SOT-23	Q3
3	Conn_01x03	JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical	J2, J3, J4
3	Conn_01x02	JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical	J5, J6, J7
1	Conn_02x03_Odd_Even	PinHeader_2x03_P2.54mm_Vertical	J8
1	Barrel_Jack_Switch	BarrelJack_CLIFF_FC681465S_SMT_Horizontal	J9
3	Heatsink	Heatsink_AAVID_TV5G_TO220_Horizontal	HS1, HS2, HS3
1	G5Q-1A-DC12	Relay_SPST_Omron-G5Q-1A	K2
6	10k	Potentiometer_Bourns_3296W_Vertical	RV1, RV2, RV3, RV4, RV5, RV6
1	SW_SPDT	SW_SPDT_PCM12	SW1
2	C81598 1N5819WS	D_SOD-123	D1, D2
5	C81598 1N4148W	D_SOD-123	D3, D4, D5, D6, D7
4	1N4148W	D_SOD-123	D8, D10, D11, D12
1	1N5819WS	D_SOD-123	D9
1	SS54	D_SMA	D14
1	LED	LED_0603_1608Metric	D15

Show 20 more

Qty	Part	Footprint	Refs
3	150uH	L_12x12mm_H8mm	L1, L2, L3
3	100n	C_0603_1608Metric	C1, C7, C8
1	C14663 100n	C_0603_1608Metric	C2
9	220u	CP_Elec_6.3x7.7	C3, C4, C5, C6, C9, C10, C11, C12 +1
1	2u	C_0603_1608Metric	C14
1	47u	C_1210_3225Metric	C15
2	C25804 10k	R_0603_1608Metric	R1, R2
2	C4216 1.2k	R_0603_1608Metric	R3, R4
1	C4216 33k	R_0603_1608Metric	R5
2	C21189 33k	R_0603_1608Metric	R6, R7
1	C21189 100	R_0603_1608Metric	R8
2	C22775 100	R_0603_1608Metric	R9, R10
1	C22775 10R	R_1206_3216Metric	R11
11	10R	R_1206_3216Metric	R12, R13, R14, R15, R16, R17, R18, R19 +3
1	5k	R_0603_1608Metric	R23
1	1.2k	R_0603_1608Metric	R24
5	1k	R_0603_1608Metric	R25, R26, R27, R28, R30
1	500	R_0603_1608Metric	R29
1	100	R_0603_1608Metric	R31
1	680	R_0603_1608Metric	R33

Mega laser driver design files

The KiCad project lives in the adeboni/laser-projector repository on GitHub; these links point at the commit this page was built from.

Mega laser driver: common questions

How big is the Mega laser driver PCB?

The Mega laser driver measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mega laser driver?

93 components, from 40 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 Mega laser driver design files?

From the adeboni/laser-projector 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 Mega laser driver design in my own project?

Yes, under the terms of its GPL-3.0 license, which adeboni chose for the repository.

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