6 Watt HI FI audio amplifier based TDA2613

6 w amplifier circuit diagramThe 6 watt audio amplifier circuit using TDA2613 are shown here. TDA2613 is a Hi-Fi integrated audio amplifier IC from Philips Semiconductors. The IC is ON / OFF button click proof, short circuit, thermal protection and are available only in the 9-pin plastic package inline.

In the above circuit, TDA2613 is wired to operate from a single supply. The capacitor C4 is a DC input coupler while the capacitors C5, C6 are power supply filters. Audio input is fed to the noninverting input through capacitor C4. Inverting input and Vp / 2 pins of the IC are tied together and grounded by the capacitor C3. Capacitor C2 couples the speaker to the output IC and network comprising capacitors C1 and resistor R1 increases stability at high frequency.

Parts list :
R1 : 8.2 ohm
C1 : 22nF
C2, C6 : 680uF
C3 : 100uF
C4 : 220uF
C5 : 100nF
IC1 : TDA2613

Notes :

  • Build the circuit on a good quality PCB.
  • Supply voltage (Vs) can be between 15 to 24V DC.
  • Heat sink is required for TDA2613.
  • Do not give more than 24V TDA2613.

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