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Product Detailed Parameters
- Description：IC AMP CLASS D QUAD 100W 44HSOP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tube
- Type：Class D
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：100W x 4 @ 2Ohm
- Voltage - Supply：6V ~ 24V
- Features：Depop, I2C, Mute, Short-Circuit and Thermal Protection, Standby
- Mounting Type：Surface Mount
- Supplier Device Package：44-HSOP
- Package / Case：44-BSSOP (0.433", 11.00mm Width) Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TDF8530TH/N2,112 is a quad Bridge-Tied Load (BTL) Class-D car audio amplifier from NXP Semiconductors. It features an NDMOST-NDMOST output stage based on SOI BCDMOS technology for high efficiency and low power dissipation. The device operates in I2C-bus or non-I2C modes, supporting up to 12 addresses. It delivers 45 W into 2 Ω at 14.4 V and 100 W at 24 V. Key features include full diagnostics, clip detection, and advanced protection against thermal, overcurrent, and load dump conditions.
Feature Summary
- High-efficiency Class-D architecture with low quiescent current
- Comprehensive I2C-bus controlled diagnostics including load and fault detection
- Advanced protection mechanisms for thermal, overcurrent, and supply voltage faults
- Flexible clocking options with spread spectrum and phase staggering capabilities
Applications
- Car audio systems
- Audio entertainment systems
Procurement Notes
Verify the specific ordering suffix and package variant against the official manufacturer datasheet to ensure compatibility with design requirements. Confirm that the component meets all relevant automotive qualification standards before integration into final products.
Selection Notes
Select this amplifier for applications requiring high power output with minimal heat sink size due to its efficient Class-D operation. Ensure the design supports the required I2C bus interface if diagnostic features are needed. Verify supply voltage ranges and protection thresholds match the target vehicle electrical system specifications.
Part Context
This component belongs to the TDF8530 series of automotive audio amplifiers. It is designed for scalable infotainment solutions within connected radio architectures. The device complements other NXP automotive components such as tuners and microprocessors for complete system integration.
Replacement Considerations
Consult official documentation for confirmed substitute part numbers. Direct replacements must maintain identical pinout, electrical characteristics, and functional compatibility to ensure seamless integration without redesign.
FAQ
How is the operating mode selected between I2C-bus and non-I2C-bus?
The operating mode is determined by the state of the ADS pin. Shorting ADS to ground selects non-I2C-bus mode, while connecting external resistors to ADS and MOD allows selection of one of 12 I2C-bus addresses.
What protection features are included for short circuits?
The TDF8530 includes independent short-circuit protection for each channel, advanced protection for load, ground, and supply shorts, and Window Protection (WP) to prevent startup during supply line shorts.
