Audio Amplifier 20W mono class D

Brief: Audio Amplifier 20W mono class D TPA3001D1
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25371
Mono Amp 20W Class D
Audio Amplifier 20W mono class D
Paxton Billingsley
1.6342
2.835
$11.59
Description:

This is a mono amp based on Texas Intrument TPA 3001D1.  I originally started this project to make a bike or baby jogger portable stereo to plug my mp3 player into.  It works pretty well.  I use a 14.4 V Nimh battery to power it which actually only puts it at about 15W.

 

  Mono Amp BOM      
         
Qty Part No Description Reference Polarity Matters
2 PCC1847CT-ND CAP .47UF 16V CERAMIC Y5V 0805 C1, C2  
6 PCC2230CT-ND CAP 1.0UF 25V CERAMIC F 0805 C3-C6, C10, C11  
1 478-1722-1-ND CAP TANTALUM 10UF 35V 10% SMD C7 Yes
2 PCC1845CT-ND CAP .22UF 16V CERAMIC Y5V 0805 C8, C9  
1 311-1123-1-ND CAP 220PF 50V CERAMIC X7R 0805 C12  
2 PCC102BNCT-ND CAP 1000PF 50V CERM CHIP 0805 C14, C15  
2 P10437CT-ND BEAD CORE 68 OHM 3A 1206 SMD L1, L2  
3 P120KACT-ND RES 120K OHM 1/8W 5% 0805 SMD R2-R4  
2 P51ACT-ND RES 51 OHM 1/8W 5% 0805 SMD R5, R6  
1 296-14200-1-ND IC AMP AUDIO PWR 20W D 24TSSOP U1 Yes
1 CKN9561-ND SWITCH SLIDE SP3T 0.1A 12V S1  
1 CP1-3513-ND CONN JACK STEREO R/A 3PIN 3.5MM J1  
2 B130-FDICT-ND DIODE SCHOTTKY 30V 1A SMA D1, D2 Yes
1 CP-002AH-ND CONN PWR JACK 2.1X5.5MM HIGH CUR J2  
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