TB2906HQ Toshiba Car Audio Power Amplifier 9V to 18V IC HZIP25-P-1

Description

TB2906HQ Toshiba Car Audio Power Amplifier 9V to 18V IC HZIP25-P-1 The TB2906HQ is a 4-channel BTL (Bridge-Tied Load) audio power amplifier IC manufactured by Toshiba, designed primarily for automotive audio applications. It integrates four independent BTL amplifier channels in a single package, enabling high-output audio power without the need for large coupling capacitors. This IC uses a pure complementary P-channel and N-channel DMOS output stage, allowing it to deliver high output power with excellent efficiency and thermal performance. It supports vehicle battery operation and operates reliably over a wide voltage range, making it ideal for car stereos and multi-speaker audio systems. The TB2906HQ includes built-in standby, mute, and offset detection functions, as well as multiple internal protection circuits such as thermal shutdown, overvoltage protection, and output short-circuit protection. These features help ensure safe operation and protect both the IC and connected speakers under abnormal conditions. With low total harmonic distortion and low output noise, the TB2906HQ provides clear, high-quality audio suitable for demanding in-vehicle environments. Features: Four-channel BTL audio power amplifier. High-output DMOS complementary output stage. Designed for automotive audio systems. Built-in standby control function. Built-in audio mute function. Integrated DC offset detection. Thermal shutdown protection. Output short-circuit protection. Overvoltage protection. Low noise and low audio distortion. Reduced external component count. Specifications: Parameter Value Manufacturer: Toshiba IC Type: Audio Power Amplifier Number of Channels: 4(BTL) Maximum Output Power: Up to 43W per channel (peak) Typical Output Power: 26W @ 14.4V, 4Ω Supply Voltage Range: 9V to 18V Peak Supply Voltage: 50V Load Impedance: 4Ω Quiescent Current: 170mA Standby Current: 2µA Total Harmonic Distortion: 0.015% Voltage Gain: 34 dB Operating Temperature: −40 °C to +85 °C Package Type: Multi-pin SIP / HSIP Package Weight: 7.7g Pinout: Pin Type Description IN1–IN4 Audio input pins OUT± BTL speaker outputs VCC Power supply PW-GND Power ground PRE-GND Signal ground STBY Standby control MUTE Mute control OFFSET DET Offset detection output AC-GND AC ground TAB Heat dissipation (connected to VCC) Footprint: Applications: Car audio head units. Automotive multi-speaker systems. In-vehicle infotainment systems. 4-channel audio amplifiers. OEM and aftermarket car stereos. High-power embedded audio systems. Packages: 1x TB2906HQ Toshiba Car Audio Power Amplifier 9V to 18V IC HZIP25-P-1. Documents: TB2906HQ Datasheet

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