lm2596 atmega8 lcd dc dc

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STD lm2596 atmega8 lcd dc dc

License: Public Domain

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Update time： 2022-01-15 14:51:46

Creation time： 2019-04-07 13:14:09

Description

dc dc switching regulator using LM2596. atmega8 controlling pwm signal

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	Molex_KK_2.54mm_4pin	U4	MOLEX_KK_2.54MM_4PIN	1
2	LMC7660IN	U8	DIP8	1
3	100uF	C17,C10,C18,C5	CAP-D6.3XF2.5	4
4	470uF	C8,C7,C6	CAP-D6.3XF2.5	3
5	7805	U2	TO-220	1
6	2.54mm_2PIN	X1	2.54MM CABLE TO PCB CONNECTOR 2 PINS	1
7	7809	U3	TO-220	1
8	70553-01	U7	70553-01	1
9	1N5401	D3	DO-201	1
10	0.22nF	C11,C12	CAP-HV-5.0*3.0	2
11	104	C15,C14	CAP-HV-5.0*3.0	2
12	10nF	C2,C1,C19,C4,C3	CAP-HV-5.0*3.0	5
13	100nF	C9,C13,C16	CAP-HV-5.0*3.0	3
14	5x20 BLX-Atype Fuse holder XC-7	F1	5X20-BLX-A	1
15	1N5818G	D2	DO-15	1
16	1k5	R2	10MM RESITOR	1
17	10K	R9,R10,R12,R5,R6,R11	10MM RESITOR	6
18	1K	R8,R26,R14,R17,R4	10MM RESITOR	5
19	11K	R3	10MM RESITOR	1
20	15K	R13	10MM RESITOR	1
21	1E	R15,R16	10MM RESITOR	2
22	0E15	R18,R19,R20	10MM RESITOR	3
23	1k	R21,R22	10MM RESITOR	2
24	15k	R23	10MM RESITOR	1
25	9k	R1	10MM RESITOR	1
26	10k	R24	10MM RESITOR	1
27	3k3	R7	10MM RESITOR	1
28	22K	R25	10MM RESITOR	1
29	LM2576TV-ADJG	U1	TO-220-5(FORMING)	1
30	1N5401	D1	DO-201AD	1
31	LM324SNG	U5,U6	DIP-14_300MIL	2
32	20uH	L2	L-10UH	1
33	150uH	L1	L-10UH	1