TDA8954 power amplifier 420W

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STD TDA8954 power amplifier 420W

License: CC-BY-NC-SA 3.0

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Update time： 2021-10-30 10:34:06

Creation time： 2021-06-02 02:47:22

Description

Features TDA8954 high power Class-D amplifier 420W

Wide symmetrical supply voltage range

Single Ended (SE) or Bridge Tied Load (BTL) output configuration

Very high power capability

Low THD+N

Low noise

AC-coupled differential inputs

High efficiency

Selectable Thermal Fold Back and current limiting to avoid audio interruptions

Low power consumption in standby-mode

Fixed frequency

Diag functionality for Protections and Temperature (not for TDA8953TH)

English

Portuguese

Design Drawing

schematic diagram

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PCB

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BOM

ID	Designator	Footprint	Quantity
1	C6,C7,C35,C36	C5B5.5	4
2	R6,R7,R19,R21	R0805	4
3	R11	R0805	1
4	C12,C13	C0805	2
5	R9,R10,R13,R14	R1206	4
6	C14	C0805	1
7	C16	C0805	1
8	C3,C4	E5-13	2
9	C5	E3,5-8	1
10	C17,C22,C18,C21,C19,C20	C1206K	6
11	IC1	SOT566-3	1
12	C23,C24	C0805	2
13	L1,L2	SFT1030	2
14	C29,C30	C5B5.5	2
15	C31,C32	C1206	2
16	R16,R15	R2512	2
17	R1,R4,R20,R22	R0805	4
18	C27,C25,C26,C28	C0805	4
19	C10,C37	C0805	2
20	C1,C38	C0805	2
21	C33,C34	C0805	2
22	FB2,FB1	BL01RN1A	2
23	C2,C15	E2,5-6	2
24	Q1	SOT23	1
25	R12,R25,R26,R28,R29	R0805	5
26	DZ1	LL-34	1
27	D3,D4,D5,D6	DO-214AC	4
28	Q2,Q3	SOT23-BEC	2
29	R27,R30	R0805	2
30	LED1	LED3MM	1
31	LED2	LED3MM	1
32	R31,R32	R0805	2
33	R33	R0805	1
34	R34	R0805	1
35	DZ2	LL-34	1
36	C39	E2,5-6	1
37	R2	R0805	1
38	SJ1	SJ_2	1
39	SJ2	SJ_2	1
40	S1	SPDT	1
41	S2	SPDT	1
42	S3	SPDT	1
43	C8,C9	C0805	2
44	R3	R0805	1
45	H1,H2,H3,H4	2,8-PAD	4
46	J1	2-PIN-5.08MM	1
47	J2	2-PIN-5.08MM	1
48	J4	2-PIN-5.08MM	1
49	J5	2-PIN-5.08MM	1
50	J3	3-PIN-5.08MM	1