Class H BTL Power Amplifier TDA1562Q

Class H BTL Power Amplifier TDA1562Q

Saturday, July 21st, 2018 - Audio Circuit

Class H BTL power amplifier TDA1562Q This is a power amplifier that is built with an IC TDA1562Q and capable of delivering an output power of 70 watts at 4 Ohm loudspeaker load. IC TDA1562Q is a special IC designed as a class H power amplifier operated BTL (Bridge Tie Load). The circuit of class H BTL power amplifier TDA1562Q’ can be operated with a single DC voltage source + 15 volts DC. The circuit of class H BTL power amplifier TDA1562Q is quite simple and uses a bit of additional components. To create a circuit of class H power amplifier BTL TDA1562Q can be seen schematics and components used in the image below.

The Circuit of Class H BTL Power Amplifier TDA1562Q

Class H BTL Power Amplifier TDA1562Q

Components list Class H BTL Power Amplifier TDA1562Q

  • R1, R2 = 100K
  • R3, R4, R6, R7 = 2,2R
  • R5 = 10K
  • C1, C4, C11 = 0,1uF
  • C2, C6, C12, C13 = 0,22uF
  • C3 = 47uF / 50V
  • C5 = 22uF / 50V
  • C7, C8, C9, C10 = 4700uF / 50V
  • C14 = 2200uF / 50V
  • IC = TDA1562Q

Some features of the IC TDA1562Q according datasheet are:

  • High output power at a single low voltage source
  • Low power dissipation
  • Can operate at low power IC automatically when the temperature is too high
  • Few external components
  • Strengthening stable
  • Network inputs with high common-mode rejection
  • Mode option (On, Mute and Standby)
  • The status of I / O pins (class H, class-B and fast mute)
  • Diagnostic pin with information about
  • Dynamic Distortion Detector (DDD)
  • Open load detector
  • Temperature protection
  • Fast mute on supply voltage drops
  • Load dump protection
  • Short-circuit safe to ground, supply voltage and load across the
  • Immune to electrostatic

The circuit of class H BTL power amplifier TDA1562Q above can be used as a power amplifier subwoofer. IC TDA1562Q will give off heat during the circuit class H BTL power amplifier TDA1562Q work that needs to be installed a heat sink.

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