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Product Detailed Parameters
- Description：IC AMP CLASS AB QUAD 64W DBS27P
- Series：-
- Mfr：NXP USA Inc.
- Package：Tube
- Type：Class AB
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：64W x 4 @ 2Ohm, 45W x 4 @ 4Ohm, 40W x 4 @ 4Ohm
- Voltage - Supply：6V ~ 18V
- Features：-
- Mounting Type：Through Hole
- Supplier Device Package：DBS27P
- Package / Case：27-SIP, Formed Leads
- Operating Temperature：-
- Grade：-
- Qualification：-
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Overview
The TDF8546AJV/N1ZU is a complementary quad bridge-tied load audio power amplifier designed for automotive applications. It features a best efficiency mode with full I2C-bus controlled diagnostics, including start-up checks. The device operates at battery voltages as low as 6 V, supporting stop/start-car functionality without audible disturbance. Utilizing a silicon-on-insulator based BCD process, it ensures robust performance with latch-up immunity and excellent channel separation.
Feature Summary
- Stop/start-car prepared operation at battery voltages as low as 6 V
- New best efficiency mode with patented low switching distortion
- Extreme best efficiency mode using information from all four channels
- Operates in either legacy or I2C-bus modes compliant with 3.3 V and 5 V
Applications
- Automotive infotainment systems
- Stop/start-car audio amplification
- Front and rear speaker channel driving
- High-efficiency automotive audio processing
Procurement Notes
Verify the specific suffix configuration against official NXP documentation to ensure correct package and temperature rating alignment. Confirm current lifecycle status and availability through authorized distributors, as automotive components may have limited stock or long lead times depending on production schedules.
Selection Notes
Select this component for designs requiring high efficiency and robust diagnostic capabilities in automotive environments. Ensure the system supports I2C bus communication if utilizing advanced features like start-up diagnostics. Verify that the supply voltage range meets the minimum 6 V requirement for proper stop/start operation compatibility.
Part Context
This part belongs to the TDF8546 series of quad bridge-tied load audio power amplifiers. The series is characterized by its use of a complementary DMOS output stage in a silicon-on-insulator process, providing high-power output with perfect sound quality and robust isolation between channels.
Replacement Considerations
Consult official NXP substitution guides for verified alternatives. Generic replacements may not support the specific I2C diagnostic features or the extreme best efficiency mode required for automotive stop/start applications.
