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24 W BTL or 2 x 12 watt stereo amplifier

GENERAL DESCRIPTION:
The TDA1518BQ is an integrated class-B output amplifier in a 13-lead single-in-line (SIL) plastic power package. The device is primarily developed for car radio applications.
 FEATURES:
  • Requires very few external components
  • Flexibility in use  stereo as well as mono BTL
  • High output power (without bootstrap)
  • Low offset voltage at output (important for BTL)
  • Fixed gain
  • Good ripple rejection
  • Mute/stand-by switch
  • Load dump protection
  • A.C. and d.c. short-circuit-safe to ground and VP
  • Thermally protected
  • Reverse polarity safe
  • Capability to handle high energy on outputs (VP = 0 V)
  • No switch-on/switch-off plop
  • Flexible leads
  • Low thermal resistance
  • Identical inputs (inverting and non-inverting)
  • Compatible with TDA1516BQ (except gain).
Circuit diagram:
Circuit diagram for mono amplifier TDA1518

Circuit diagram for stereo amplifier TDA1518
Datasheet for TDA1518: Download

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This circuit described here uses two cis tda 7294 for use in stereo (2 x 80Watts) or bridge mode (1x 180 Watts), to configure this setting just four jumpers. To facilitate mounting the circuit has power supply attached. The power is kind of simple symmetrical with a bridge rectifier 6A, and two large electrolytic capacitors , 10000μF the 22000μF/50v. This Power supply will for the two modules. The processor is recommended 22-0-22 to 28-0-28 / 5A, depending on the quality of the transformer is recommended at least 6 amps of current.


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TDA7294 circuit diagram:

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Datasheet for TDA7294:Download
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