Home Projects Audio 20W Bridge Audio Amplifier

 
 

20W Bridge Audio Amplifier
author: Rajkumar Sharma



 

Description


20W Bridge Audio Amplifier project, based on the TDA2005 IC, The TDA 2005 IC is class B dual audio amplifier, specifically designed for car radio applications etc.

Specifications:

Power supply input : 18 VDC  
Output power : 20 W, 4 Ω  
IC built in Thermal Shut-down, Load dump voltage surge protected  
Terminal pins for connecting left and right audio signal inputs  
Berg Connector for connecting Potentiometer (POT) for volume adjustment  
Power Battery Terminal (PBT) for easy power supply and speaker connection  
Power-On LED indicator  
Heatsink for IC  
Four mounting holes of 3.2 mm each with nut and stud  
PCB dimensions 63 mm x 65 mm  
Note : Use shielded cable for connecting potentiometer

Schematic


Parts List


 

PCB




 

 
 

 
120x90 spot

 

 

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