TDA2005R 20 W audio amplifier circuit Multiwatt-11

The TDA2005R is a dual-channel Class B audio power amplifier manufactured by STMicroelectronics, designed specifically for car radios and other 12 V audio systems. The IC can be used in stereo or bridge configuration, achieving up to 20 W output into a 4 Ω load.

Features

• Output power up to 20 W in bridge configuration
• Stereo operation 2 × 10 W / 2 Ω
• High output current, up to 3.5 A
• Operates with low speaker loads
• Built-in protections against multiple fault conditions
• Multiwatt-11 through-hole package
• Designed for 12 V automotive applications

Built-in protections

• Short-circuit protection on outputs (AC and DC)
• Thermal protection
• Load dump overvoltage protection