Simple Amp class D v1

Ongoing

STD Simple Amp class D v1

License: GPL 3.0

Mode:

Editors' pick

Update time： 2021-12-10 11:54:03

Creation time： 2021-11-26 12:51:49

Description

Simple mono class D amplifier. It's a prototype for building a more polished 2.1 (stereo + subwoofer) version.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	1uF	C1,C3,C4,C6,C7,C14,C16,C23,C24,C25,C29	C0805	11
2	0.1uF	C2,C5,C8,C11,C15,C20,C21,C22,C28	C0805	9
3	100uF	C9	6.6MM X 6.6MM SMD CAPACITOR	1
4	1000uF	C10	SMD_CAP_17.1MMX17.1MM	1
5	4.7nF	C12,C13	C0805	2
6	1nF	C17	C0805	1
7	10uF	C18,C30,C26,C27	C1206	4
8	2200uF	C19	CP_RADIAL_D16.0MM_P7.50MM	1
9	680pF	C31	C0805	1
10	RSX101MM	D1,D2	SOD-123F_L2.8-W1.8-LS3.7-RD	2
11	CONN-TH_2P-P5.08	H1	CONN-TH_2P-P5.08	1
12	PJ-313D	J1	AUDIO-SMD_PJ-313-BIGFOOT	1
13	ACP3225-102-2P-T000	L1	FILTER-SMD_4P-L3.2-W1.9-BL	1
14	100uH	L2	IND-SMD_L12.5-W12.5	1
15	POWER IN	POWER1	DC JACK	1
16	MMSS8050	Q1	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR-CW	1
17	DMG2302UK-7	Q2	SOT-23_L2.9-W1.3-P0.95-LS2.4-BR	1
18	DMG2301LK-7‎	Q3	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR	1
19	12k	R1	R0805	1
20	10k	R2,R3,R9,R10,R12,R21,R22,R23	R0805	8
21	0	R4,R11,R24,R25	R0805	4
22	100k	R5,R7,R8	R0805	3
23	47k	R6	R0805	1
24	100	R13	R0805	1
25	10	R14	R0805	1
26	47	R15,R16	R0805	2
27	1M	R17,R18	R0805	2
28	1k	R19,R20	R0805	2
29	MC78M05BDTRKG	REG1-5V	DPAK	1
30	PSW	SW1	SPST ROCKER SW	1
31	MCP1402T	U3,U4	SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR	2
32	NE555PS	U5	SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL	1
33	TLV9052	U1,U2	SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL	2