Trailing edge dimmer Rev3.4

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STD Trailing edge dimmer Rev3.4

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Update time： 2022-02-03 00:10:27

Creation time： 2019-06-24 04:13:56

Description

4 channel trailing edge MOSFET dimmer Atmega 328P + ESP8266

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	PAD100-RND	3.3V2,3.3V3,3.3V4,GND2,GND3,GND4,INT0,PD4,PD5	PAD-100-RND	9
2	220nF	C1	0805	1
3	10UF 25V	C2,C3,C4,C5	1206-CAP	4
4	100n	C6,C8,C9	0805	3
5	4.7n	C7	0805	1
6	1000uF	C10	CAP-D8.0XF3.5	1
7	10n	C11	0805	1
8	ES1JW or 1N4007	D1	SOD-123F	1
9	PAD_TERMINAL	D1_L,D2_L,D3_L,D4_L,L,N,N1,N2,N3,N4	CON_PAD_ROUND_1.02MM	10
10	MB6S	D2	MBS-4.9X4.0	1
11	ZENER 15V	D6	LL-34	1
12	ES1JW	D7,D8,D9	SOD-123F	3
13	1N5819W	D10	SOD-123F	1
14	2A	F1	2410	1
15	Header-Male-2.54_1x4_C59481	H1	HDR-TH_4P-P2.54-V	1
16	Header-Male-2.54_1x3	H2,H3	HDR-TH_3P-P2.54-V	2
17	IRF740	Q1_L,Q2_L,Q2_U,Q3_L,Q3_U,Q4_L,Q4_U	TO-220	7
18	IRF740, IRF840 for 230V	Q1_U	TO-220	1
19	MMBT3904	Q2,Q3,Q9,Q11	SOT-23(SOT-23-3)	4
20	MMBT3906	Q4,Q8,Q10,Q12	SOT-23(SOT-23-3)	4
21	MMBT2222	Q5	SOT-23(SOT-23-3)	1
22	MJE13003DGT	Q13	SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR	1
23	470R	R1,R4,R17,R22,R37	0805	5
24	220K	R2,R6,R10,R11	0805	4
25	10K	R3,R8,R18,R23,R27,R28,R29,R30,R31,R32	0805	10
26	1K	R5,R7,R14,R19,R24	0805	5
27	470K	R9,R15,R20,R25	0805	4
28	75K	R12,R33,R35	0805	3
29	750K	R13,R16,R21,R26	0805	4
30	100K	R34	0805	1
31	10D471K	TZ1	PS-RES-12.5*6.7	1
32	TLP291	U1,U2,U4,U5	SOP-4_P1.27	4
33	AC-DC-converter	U3	ACDC140809	1
34	ESP12F	U6	ESP12E-SMD	1
35	H11L1SR2M	U7	OPTO-SMD_6PIN-L8.89-W9.9-H5.08-PITCH2.54-BL	1
36	ATMEGA328P-AU	U8	TQFP-32_7X7X08P	1
37	Header-2.54-7	U9	HEADER-2.54-7	1
38	8MHz	X1	3213	1