TCB702FNG,EL

Overview

The TCB702FNG,EL is a Class-TB audio power amplifier IC manufactured by Toshiba Semiconductor and Storage. It features four channels delivering 45W per channel into a 4-ohm load at 18V supply voltage. The device incorporates I2C interface control and AEC-Q100 automotive qualification. Key electrical specifications include a Total Harmonic Distortion (THD) of 0.02%. It utilizes a 36-pin HSOP package with exposed pad for thermal management.

Feature Summary

• Class-TB enhanced efficiency linear amplification architecture
• Integrated self-diagnostics and full protection circuits
• I2C digital control interface for configuration
• Automotive-grade reliability compliant with AEC-Q100

Applications

• Automotive audio systems requiring high power output
• Multi-channel speaker configurations in vehicles
• Applications demanding built-in fault detection capabilities

Procurement Notes

Verify the specific suffix EL against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure compatibility with I2C bus voltage levels used in the target system. Confirm that the 36-HSOP package dimensions fit the printed circuit board layout constraints. Validate thermal design requirements given the 45W per channel output capability.

Selection Notes

Select this component when high-efficiency multi-channel audio amplification is required for automotive environments. The Class-TB technology offers improved efficiency over traditional linear classes while maintaining low distortion. The integrated diagnostics simplify system monitoring and fault isolation. Ensure the power supply can sustain 18V under peak load conditions for optimal performance.

Part Context

This part belongs to Toshiba's CDMOS linear integrated circuit family designed for high-power audio applications. It represents an evolution in automotive audio ICs focusing on efficiency and diagnostic features. The device integrates power DMOS outputs with control logic on a single silicon monolithic chip.

Replacement Considerations

Check Toshiba's official substitution list for direct replacements. Verify if alternative models offer compatible pinouts or require adapter solutions. Ensure any substitute maintains AEC-Q100 compliance if used in automotive contexts.