Circuit power amplifier 20w Bridge amplifier for car audio with Tda 2005

DESCRIPTION
The TDA2005is class B dual audio power amplifier in MULTIWATT package specifically designed for car radio application : power booster amplifiers are easily designed using this device that provides a high current capability (up to 3.5 A) and that can drive very low impedance loads.

amp TDA2005 Bridged 300x225 Circuit power amplifier 20w Bridge amplifier for car audio with Tda 2005

High output power : PO = 10 + 10 W@RL =2Ω, d = 10% ; PO = 20W@RL =4Ω ,d=1%.
High reliability of the chip and packagewith additional complete safety during operation thanks to protection against :
.OUTPUT DC AND AC SHORT CIRCUIT TO GROUND
.OVERRATING CHIP TEMPERATURE
.LOAD DUMP VOLTAGE SURGE
.FORTUITOUS OPEN GROUND
.VERY INDUCTIVE LOADS
Flexibility in use : bridge or stereo booster amplifiers with or without boostrap and with programmable gain and bandwidth.
Space and cost saving : very low number of external components, very simple mounting system with no electrical isolation between the package and the heatsink (one screw only).
In addition, the circuit offers loudspeaker protection during short circuit for one wire to ground.

Schematic diagram for power amplifier tda2005

tda2005 esquema ponte 300x242 Circuit power amplifier 20w Bridge amplifier for car audio with Tda 2005Suggested PCB for mounting the amplifier tda2005 Bridge

Suggested PCB for mounting the amplifier tda2005 BridgeLayout to guide the assembly of components on board the 20-watt amplifier

Layout to guide the assembly of components on board the 20-watt amplifierList of material to mount the amplifier tda2005

Component
Value
C1,C2 2.2uF
C3,C4,C5 100nF
C6 10uF
C7,C8 100uF
C9,C10 220uF
C11 1000uF
IC1 TDA2005M
IN AK500/2
OUT AK500/2
P1 100k
PWR AK500/2
R1 120K
R2 1K
R3,R4 1
R5 2K
R6,R7 12
Several 12 volt power supply, wires, heat sink, board, etc.

Download scheme + pcb in Eagle files format

Users electronic tags:

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Filed Under: AmplifierAudioAutomotiveCircuits

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About the Author: Xtronic.org blog author. Electronics technician for the technical school of Brasilia - Brazil. Interested in electronics, circuits and technology in general.

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  1. John says:

    What power supply should I use for this amp?

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