TDF8599ATH/N2/S24Y

Overview

The TDF8599ATH/N2/S24Y is a dual-channel Class-D audio amplifier designed for automotive and transportation applications. It utilizes Silicon-On-Insulator (SOI) BCDMOS technology to deliver high efficiency and superior electromagnetic compatibility. The device operates with a supply voltage range of 8 V to 35 V, providing a maximum stereo output power of 135 W into a 4 Ω load. It features differential inputs, I²C-bus control, and integrated diagnostics including clip detection and thermal protection.

Feature Summary

• Delivers high-efficiency Class-D amplification suitable for 1 to 8 Ω speakers without pop noise from DC offset voltage.
• Provides best-in-class EMI performance through phase staggering, BD modulation, frequency hopping, and SOI technology.
• Includes comprehensive control and diagnostic functions such as I²C-bus clip detection and hardware-controlled thermal foldback.

Applications

• Automotive head units
• Automotive sound systems
• Consumer HiFi docking stations or sound bars
• Public announce systems

Procurement Notes

Verify the specific ordering suffix against official NXP documentation to confirm package type and reel specifications. Confirm current lifecycle status and availability directly with authorized distributors, as automotive components may have long-term supply constraints. Ensure compliance with AEC-Q100 qualification requirements for your target application environment.

Selection Notes

Select this component when high power density and low heat dissipation are required in space-constrained automotive designs. The TDF8599A variant is appropriate for systems requiring up to 135 W stereo output with a 35 V supply limit. Consider the integrated diagnostics for system reliability and ease of fault analysis during assembly and service phases.

Part Context

This part belongs to the TDF8599x family of dual-channel high-power Class-D amplifiers from NXP Semiconductors. The family includes variants optimized for different supply voltages and power outputs, such as the TDF8599B and TDF8599C. All members share the same HSOP36 package and core SOI technology architecture.

Replacement Considerations

TDF8599ATH/N2,518

FAQ

What technology is used for the output stage?

The TDF8599ATH uses an NDMOST-NDMOST output stage based on Silicon-On-Insulator (SOI) BCDMOS technology.

Does the amplifier support differential inputs?

Yes, the device features differential inputs which help reduce noise in the audio signal path.