TDA8954 power amplifier 420W

3 months ago

Profile:TDA8954 high power Class-D amplifier circuit with PCB 1X 420W mono bridge or 2x 210W

Open source license: CC-BY-NC-SA 3.0

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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

https://xtronic.org/circuit/tda8954-power-class-d-amplifier-board-420w/

Portuguese

https://www.te1.com.br/2021/05/tda8954-amplificador-potencia-classe-d-420w/

Documents

BOM

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

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