The CV203 is a Car audio amplifier IC. The maximum output wattage of 10 Watt. It is a Class B audio amplifier IC works on low speaker impedance of 1.6 ohms. The IC give power output with a 3.5A of input current. in this article shares the CV203 audio amplifier circuit and its features.
Features of CV203 IC
- Package type: ZIP-5.
- Requires very few external components.
- Compact circuit size.
- No electrical insulation is needed between the package case and the heat sink.
- Easy to install.
- Strong adaptability and high reliability.
- Built in protection against overheating and short circuits.
CV203 Audio Amplifier Circuit Diagram
Components Required
| S.No | Component | Value | Quantity |
|---|---|---|---|
| 1 | IC | CV203 | 1 |
| 2 | Capacitor (Electrolytic) | 10µF | 1 |
| 3 | Capacitor (Electrolytic) | 470µF | 1 |
| 4 | Capacitor (Electrolytic) | 100µF | 1 |
| 5 | Capacitor (Ceramic) | 100nF | 2 |
| 6 | Capacitor (Electrolytic) | 1000µF | 1 |
| 7 | Capacitor (Ceramic) | 39nF | 1 |
| 8 | Capacitor (Ceramic) | 100nF | 1 |
| 9 | Resistor | 39R | 1 |
| 10 | Resistor | 220R | 1 |
| 11 | Resistor | 2.2R | 1 |
| 12 | Resistor | 1R | 1 |
| 13 | Speaker (Load) | 4 to 8 ohms | 1 |
| 14 | Power Supply | 8–18V DC | 1 |
| 15 | Heat Sink | – | 1 |
Working Voltage and Current Requirement
The working voltage it need 8 to 18V DC supply. This supply range is suitable for car audio amplifier setup. Because the running condition of Car the battery charge reaches to 15-17V DC.
Speaker Impedance and Power Output
This circuit gives 6 watts at 4 ohms speakers and 10 watts at 2 ohms speaker. if the speaker impedance is 1.6 ohms the maximum power output is 12 watt.
Applications
- Car audio systems.
- Portable speaker systems .
- DIY audio amplifiers .
- TV and radio sound amplification .
- Intercom systems.
- Computer and multimedia speakers .
- Public announcement (PA) mini systems .
- Educational electronics projects.
