Class D Audio Amplifier on TPA3255 Chip

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STD Class D Audio Amplifier on TPA3255 Chip

License: MIT

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Update time： 2024-03-24 16:54:56

Creation time： 2019-03-30 21:23:39

Description

Аудио усилитель D класса на микросхеме TPA3255

Design Drawing

schematic diagram

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PCB

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PCB аудио усилитель Tpa3255
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	100nF	C1,C2,C16,C17	CAP_RAD-0.2_AND_SMD_0805	4
2	470nF	C3	CAP-D3.0XF1.5	1
3	10uF	C4,C5,C6,C7	CAP_RAD-0.2_AND_SMD_0805	4
4	100pF	C8,C9,C10,C11	CAP_RAD-0.2_AND_SMD_0805	4
5	1uF	C12,C13	CAP_RAD-0.2_AND_SMD_0805	2
6	47nF	C14	CAP_RAD-0.2_AND_SMD_0805	1
7	100uF	C15	CAP_RAD-0.2_AND_SMD_0805	1
8	4700uF	C18,C19	SLPX472M080H3P3_85_°C_SNAP-IN_ALUMINUM_ELECTROLYTIC	2
9	1uF	C20,C21,C22,C23	CAP_CT4-1206Y105M101	4
10	33nF	C24,C25,C26,C27	CAP_RAD-0.2_AND_SMD_0805	4
11	1uF	C28,C29,C34,C35	К78-19	4
12	1nF	C30,C31,C36,C37	RAD-0.2_SMD_2106	4
13	220nF 100V	C32,C33,C38,C39	CAP_0.2_AND_0603	4
14	1500uF 63V	C40,C41,C43,C44	CAP-D18,16-F7.5, 5-DN0.8,0.6	4
15	100uF	C42	CAP-D8.0XH11.5 D6.3XH11 SMD-D8XH10.5 D6.3XH7.7	1
16	1uF	C45	1206	1
17	0.01uF	C46	1206	1
18	2.2uF	C47	CAP_1210_CL-1210,Y5V,K,101	1
19	2000uF	C48	CAP-D8.0XH11.5 D6.3XH11 SMD-D8XH10.5 D6.3XH7.7	1
20	4,7	C49	C_0603	1
21	0,01	C50	C_0603	1
22	1	C51	C_0603	1
23	10 uF	C52	CAP-D8.0XH11.5 D6.3XH11 SMD-D8XH10.5 D6.3XH7.7	1
24	100 uF	C53	CAP-D8.0XH11.5 D6.3XH11 SMD-D8XH10.5 D6.3XH7.7	1
25	0,1	C54	CAP_0.2_AND_0603	1
26	470 uF	C55	CAP-D8.0XH11.5 D6.3XH11 SMD-D8XH10.5 D6.3XH7.7	1
27	0.1uF	C56	CAP_1210_CL-1210,Y5V,K,101	1
28	1uF	CD	CAP-TH_BD5.0 AND SMD_BD4.0	1
29	SR360	D1	SR360_DO-27_(DO-201AD)	1
30	MBRS130T3G	D2,D3,D6,D7	SMB(DO-214AA)	4
31	1N5819	D4,D5,D8,D9	DO-41	4
32	LED	D10,D11	LED_0603	2
33	SK310A-LTP	D12	SMA_L4.4-W2.8-LS5.4-RD	1
34	OSCILLATOR SYNC INTERFACE	H1	DIP-1X4P-2.54MM-M	1
35	TPA3255DDVR	IC1	TPA3255 HTSSOP44 POWERPAD IS A TRADEMARK OF TEXAS INSTRUMENTS	1
36	22uH	L1	AXIAL-0.4	1
37	10uH	L2,L3,L4,L5	IND_ALTNC_VER2923-103KL_BCIHP1770-100M	4
38	150uH	L6	SRR1208-151YL	1
39	InAB	P1	HDR-3X1/2.54	1
40	InBC	P2	HDR-3X1/2.54	1
41	M1	P3	HDR-3X1/2.54	1
42	M2	P4	HDR-3X1/2.54	1
43	InC	P5	HDR-3X1/2.54	1
44	InD	P6	HDR-1X2/2.54	1
45	In Power	P7	WJ2EDGVC-5.08-2P	1
46	PBTL1	P8,P22	HDR-1X1/2.54	2
47	PBTL2	P9,P23	HDR-1X1/2.54	2
48	BTL & SE1	P10,P25	HDR-1X1/2.54	2
49	BTL & SE2	P11,P26	HDR-1X1/2.54	2
50	OutA & OutC PBTL	P12	WJ2EDGVC-5.08-2P	1
51	OutB	P13	WJ2EDGVC-5.08-2P	1
52	OutC	P14	WJ2EDGVC-5.08-2P	1
53	OutD & OutB PBTL	P15	WJ2EDGVC-5.08-2P	1
54	FREQUENCY ADJUST	P16	HDR-4X2/2.54	1
55	ON/OFF	P17	HDR-1X1/2.54	1
56	BTL & PBTL	P18,P21	WJ2EDGVC-5.08-2P	2
57	BTL	P19,P20	WJ2EDGVC-5.08-2P	2
58	Res	P24	HDR-1X1/2.54	1
59	2N7002	Q1,Q2	SOT-23 AND TO-92	2
60	\\ 3.3	R1,R10	RES_AXIAL-0.3_AND_SMD_0805	2
61	\\ 100	R2,R3,R4,R5,R9	RES_AXIAL-0.3_AND_SMD_0805	5
62	\\ 22k	R6	RES_AXIAL-0.3_AND_SMD_0805	1
63	\\ 30k	R7,R15,R16	RES_AXIAL-0.3_AND_SMD_0805	3
64	\\ 10k	R8	RES_AXIAL-0.3_AND_SMD_0805	1
65	\\ 1 5%	R11,R12,R13,R14	RES_AXIAL_0.3_SMD_0603	4
66	50K	R17,R20	RES-ADJ_3214 3224 3296 3266	2
67	\\ 1.1K	R19	RES_AXIAL-0.3_AND_SMD_0805	1
68	1K	R21,R24	R_0603	2
69	47K	R22,R25	R_0603	2
70	100	R23,R26	R_0603	2
71	240R	R27	RES_AXIAL_0.3_SMD_0603	1
72	5k	R28	RES-ADJ_3214 3224 3296 3266	1
73	\\ 20К	RD	RES_AXIAL-0.3_AND_SMD_0805	1
74	LM2575HVS-15	U1	LM2575S-15_TO-263_TO-220	1
75	LP2985L_3.3V	U2	SOT23 AND SOT89 AND TO92	1
76	LM317AT	U3	LM317 TO-220, TO-226, SOT-223, SOIC-8	1