Description
The TDF8541 is a high-performance, quad-channel Class-AB audio power amplifier designed specifically for automotive head units and hybrid sound systems. It utilizes an asymmetrical or “single-ended” input configuration to deliver 25W to 28W of output power per channel, making it a robust solution for high-fidelity in-car audio.
Engineered for modern “stop/start” vehicle technology, this device ensures uninterrupted audio playback even during engine startup when the battery voltage drops as low as 6V. With integrated I2C-bus control, programmable diagnostics, and a “Best Efficiency” mode, the TDF8541 provides advanced power management and fault detection, ensuring superior sound quality and system reliability.
Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability.
Features
- 4-channel Class-AB audio amplification
- Advanced “Stop/Start” compatibility (operates down to 6V)
- I2C-bus controlled functionality
- Full startup diagnostics with programmable DIAG pin
- Low “pop” noise performance (guaranteed)
- Best Efficiency Mode with low switching distortion
- Adjustable mute levels via I2C
- Standard 27-pin package
Benefits
- Uninterrupted Audio: Keeps the music playing during engine cranking without audible disturbance.
- System Intelligence: I2C control allows for flexible diagnostic read-outs and custom configuration.
- High Efficiency: Optimized to reduce power dissipation and improve thermal performance in confined automotive environments.
Applications
- Automotive Head Units
- Automotive Hybrid Sound Systems
- In-Car Infotainment Systems
- Multi-Channel Automotive Audio Amplification
Package Includes
- 1 x TDF8541J/N3,112 Quad Audio Power Amplifier IC
Specifications
| Parameter | Specification |
|---|---|
| Product Name | TDF8541 (TDF8541J/N3,112) |
| Amplifier Class | Class-AB |
| Number of Channels | 4 |
| Input Voltage | 6V to 18V |
| Load Impedance | 4Ω |
| Number of Pins | 27 |
| Shipping Weight | 0.009 kg |
| Shipping Dimensions | 7 x 6 x 1 cm |







