LM2596 Buck Converter

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STD LM2596 Buck Converter

License: Public Domain

Mode:

Editors' pick

Update time： 2024-04-17 03:59:32

Creation time： 2021-04-15 15:15:12

Description

It's a Buck converter with a Voltmeter and on/off latching push button 555 timer circuit.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	1uF	C1,C2,C8	C0805	3
2	180uF	C3,C6	CAP-TH_BD10.0-P5.00-D1.0-FD	2
3	10uF	C4	C0805	1
4	470uF	C5	CAP-TH_BD12.5-P5.00-D1.2-FD	1
5	10uF	C7	C1206	1
6	2.2uF	C9	C0805	1
7	SS54_C970945	D1	SMBF_L4.3-W3.6-LS5.3-RD	1
8	SJD12A48L01	D2	SOD-123_L2.8-W1.8-LS3.7-RD	1
9	Digital Mini Voltmeter	DISP1	LTC-4627JR	1
10	150uH	L1	IND-SMD_L13.5-W12.6_125CDMCC-DS	1
11	22uH	L2	IND-SMD_L7.1-W6.6	1
12	TJ-S1615SW6TGLCCSRGB-A5	POWER	LED-ARRAY-SMD_4P-L1.6-W1.5-BL-FD	1
13	2N3904	Q1	TO-92(TO-92-3)	1
14	10K	R1,R2,R5,R6	R0805	4
15	100K	R3,R7	R0805	2
16	50K	R4	RES-ADJ-TH_3P-L9.5-W4.85-P2.50-BL-BS	1
17	200	R8	R0603	1
18	1K	R9	0805	1
19	1.2K	R10	R0805	1
20	1.5K	R11	R0805	1
21	Switch-SMD-6x6x11	SW1,SW2	SW-SMD_4P-L6.0-W6.0-P4.50-LS8.5	2
22	NE555DR_C695838	U1,U2	SOP-8_L5.0-W4.0-P1.27-LS6.0-BL	2
23	LM2596S-ADJ	U3	TO-263-5_L10.6-W9.6-P1.70-LS15.9-BR	1
24	DB301V-5.0-2P	U4,U5	CONN-TH_2P-P5.00_L7.6-W10.0	2
25	HT7590-7	U6	SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL	1
26	Pin_Header_2P	U7,U8	PINHEADER1X2	2
27	JTJ-USB-AF-90-10.6X13.1-H5.7-002	USB1	USB-A-TH_C42425	1