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TB2905HQ from TOSHIBA

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TB2905HQ

Manufacturer: TOSHIBA

Class KB High-Efficiency, Low-Frequency Power Amplifier IC Maximum Power: 47 W x 4 Channels

Partnumber Manufacturer Quantity Availability
TB2905HQ TOSHIBA 45 In Stock

Description and Introduction

Class KB High-Efficiency, Low-Frequency Power Amplifier IC Maximum Power: 47 W x 4 Channels The TB2905HQ is a power amplifier IC manufactured by Toshiba. Below are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Type:** Audio Power Amplifier IC  
- **Output Power:** 5W (typical)  
- **Supply Voltage (VCC):** 4.5V to 18V  
- **Operating Temperature Range:** -20°C to +75°C  
- **Package:** HSIP7 (Heat Sink Insulated Package)  
- **Number of Channels:** 1 (Mono)  
- **Total Harmonic Distortion (THD):** Low distortion characteristics  
- **Standby Function:** Supported  

### **Descriptions:**  
- Designed for audio amplification in consumer electronics such as portable radios, TVs, and audio systems.  
- Features built-in thermal shutdown and overcurrent protection for reliability.  
- Suitable for battery-powered applications due to its wide operating voltage range.  

### **Features:**  
- **Low Noise:** Optimized for clear audio output.  
- **Thermal Protection:** Prevents damage from overheating.  
- **Standby Mode:** Reduces power consumption when not in use.  
- **Compact Package:** HSIP7 allows efficient heat dissipation.  

For exact datasheet details, refer to Toshiba’s official documentation.

Application Scenarios & Design Considerations

Class KB High-Efficiency, Low-Frequency Power Amplifier IC Maximum Power: 47 W x 4 Channels

Alternative Part Number

  • TDA7388 --: Quad bridge car audio amplifier with comparable output power and pin-compatible class-AB architecture, widely used as a drop-in substitute for Toshiba TB-series amplifiers.
  • TDA7850 --: Higher-power quad BTL car audio amplifier in the same family, offering similar supply range and functionality for automotive audio applications.
  • LA4743B --: Four-channel car audio power IC with similar output rating and supply voltage, serving as a functional alternative to the TB2905HQ.
  • LA47536 --: Four-channel car audio power amplifier IC with similar topology and supply requirements, usable as a functional substitute with minor circuit adjustment.

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