TB2904HQ Toshiba Car Audio Power Amplifier 9–18V IC HZIP25-P-1
The TB2904HQ from Toshiba is a high-power 4-channel BTL (Bridge-Tied Load) audio power amplifier IC, specifically designed for automotive audio applications. It integrates complementary P-channel and N-channel DMOS output stages, allowing it to deliver high output power while maintaining low distortion and low noise performance.
This IC includes built-in standby, mute, and offset detection functions, along with multiple protection circuits such as thermal shutdown, over-voltage protection, output short protection, and speaker burn prevention. Housed in a robust through-hole power package, the TB2904HQ is well-suited for car radios, external amplifiers, and multi-channel audio systems requiring reliability and sound quality.
Features:
- Four-channel BTL audio power amplifier.
- Designed for automotive audio systems.
- High-efficiency DMOS output stage.
- Low distortion and low noise performance.
- Built-in standby control function.
- Built-in mute control function.
- Integrated offset detection.
- Comprehensive protection circuits for safe operation.
- Reliable performance in harsh automotive environments.
Specifications:
| Parameter | Specification |
|---|---|
| Manufacturer: | Toshiba |
| Part Number: | TB2904HQ |
| IC Type: | Audio Power Amplifier |
| Number of Channels: | 4 Channels |
| Amplifier Configuration: | BTL (Bridge-Tied Load) |
| Maximum Output Power: | Up to 43W per channel (BTL) |
| Operating Supply Voltage: | 9–18V |
| Peak Supply Voltage: | 50V |
| Output Load Impedance: | 4Ω |
| Package Type: | Through-Hole Power Package |
| Operating Temperature Range: | −40°C to +85°C |
| Compliance: | RoHS |
Pinout:
| Pin Group | Function |
|---|---|
| IN1–IN4 | Audio Input Channels |
| OUT1–OUT4 (+/−) | Speaker Outputs |
| VCC | Power Supply |
| PW-GND | Power Ground |
| PRE-GND | Pre-Amplifier Ground |
| STBY | Standby Control |
| MUTE | Mute Control |
| OFFSET DET | Offset Detection Output |
Footprint:
Applications:
- Car audio head units.
- Automotive power amplifiers.
- 4-channel speaker systems.
- External car audio amplifier modules.
- Multimedia and vehicle entertainment systems.
Packages:
- 1x TB2904HQ Toshiba Car Audio Power Amplifier 9–18V IC HZIP25-P-1.