5V Buck Converter

manpreet-singh·Atlas·cad/electronics/AtlasPD/5V Buck Converter.kicad_pcb

5V Buck Converter PCB layout, top view — open source board by manpreet-singh

About the 5V Buck Converter PCB

5V Buck Converter is an open source PCB design by manpreet-singh, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 93.5 × 50.4 mm, with 29 components from 18 distinct parts.

Other key parts include the AP1509-50SG-13 and DS2777. By type, the board carries 11 resistors, 7 capacitors, 4 diodes, 2 ICs, 2 battery holders and 1 transistor.

It belongs with the robotics & motion and power & battery designs in this gallery.

From the project

Small Robot Project

Main components on the 5V Buck Converter

AP1509-50SG-13 DS2777

5V Buck Converter bill of materials (BOM)

29 components, 18 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	AP1509-50SG-13	SO-8_3.9x4.9mm_P1.27mm	U401
1	DS2777	DS2777G+	U402
1	Q_Dual_NMOS_S1G1S2G2D2D2D1D1	SOIC-8_3.9x4.9mm_P1.27mm	Q401
1	Conn_01x04	JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical	J401
2	Battery_Cell	BatteryHolder_Keystone_1042_1x18650	BT401, BT402
2	D_Schottky	D_SOD-128	D401, D402
1	D_Zener_Dual_CommonAnode_KKA_Parallel	TSOT-23_HandSoldering	D403
1	LED	LED_0805_2012Metric	D404
1	39 uH	CDRH127	L401
2	220uF	CP_Radial_D5.0mm_P2.50mm	C401, C407
2	10uF	C_0805_2012Metric	C402, C406
1	10UF 0.1u	C_0805_2012Metric	C403
1	0.47u	C_0805_2012Metric	C404
1	0.1u	C_0805_2012Metric	C405
6	1k	R_0805_2012Metric	R401, R402, R404, R407, R408, R411
3	150	R_0805_2012Metric	R403, R409, R410
1	470	R_0805_2012Metric	R405
1	20m	R_1206_3216Metric_Pad1.30x1.75mm_HandSolder	R406

5V Buck Converter design files

The KiCad project lives in the manpreet-singh/Atlas repository on GitHub; these links point at the commit this page was built from.

5V Buck Converter: common questions

How big is the 5V Buck Converter PCB?

The 5V Buck Converter measures 93.5 × 50.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 5V Buck Converter?

29 components, from 18 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 5V Buck Converter design files?

From the manpreet-singh/Atlas 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 5V Buck Converter design in my own project?

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

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