Overview
The TDF8532BHH/N3Y is a Class-D audio amplifier integrated circuit (IC) produced by NXP USA Inc. This device is part of the TDF853x family, known for its ultra-efficient and high-quality audio performance. The TDF8532BHH/N3Y is specifically designed for automotive applications, supporting 5.5 V stop-start requirements and offering a robust solution for various sound systems in vehicles.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package | 100LQFP |
| Number of Channels | 4 |
| Supply Voltage | 5.5 V to 18 V |
| Max Output Power per Channel | 4 x 70 W @ 2 Ω or 4 Ω load |
| Total Harmonic Distortion + Noise (THD+N) | 0.005 % |
| Noise Level | 42 µV |
| Idle Power Dissipation | 2.8 W |
| Operating Temperature | -40°C to 150°C |
| Compliance | RoHS Compliant, AEC-Q100 Qualified |
Key Features
- Three, four, or five Class-D BTL channels (TDF8532BHH/N3Y has four channels)
- Two BTL channels can combine to drive 1 Ω load
- Feedback after low-pass filter for lower BOM cost and better audio quality
- Digital input in TDM/I²S format for easy board layout
- Line-driver mode to drive an external amplifier via direct loudspeaker cable
- Diagnostic features:
- Startup diagnostic for AC and DC coupled loads
- Supply voltage feedback with 8-bit resolution
- Selectable clip detection
- Selectable diagnostic information on DIAG pins
- IEEE 1194.1-compliant, board-level boundary scan
- DC output offset diagnostics
- Protection features:
- Independent output current per channel with selectable thresholds
- Load dump protection (50 V)
- Over- and undervoltage protection
- Thermal fold-back and thermal protection
- Interleaved power stages (optional) for improved EMC and reduced output-filter cost/complexity
Applications
- Automotive head-unit radio
- Automotive sound systems
- Automotive-engine sound design
- Active noise-cancellation systems
- Generation of ambient and/or engine sounds in electric vehicles
Q & A
- What is the TDF8532BHH/N3Y used for?
The TDF8532BHH/N3Y is used for high-quality audio applications in automotive systems, including head-unit radios, sound systems, and engine sound design.
- How many channels does the TDF8532BHH/N3Y have?
The TDF8532BHH/N3Y has four Class-D BTL channels.
- What is the supply voltage range for the TDF8532BHH/N3Y?
The supply voltage range for the TDF8532BHH/N3Y is from 5.5 V to 18 V.
- What is the maximum output power per channel for the TDF8532BHH/N3Y?
The maximum output power per channel for the TDF8532BHH/N3Y is 70 W @ 2 Ω or 4 Ω load.
- Does the TDF8532BHH/N3Y support diagnostic features?
- What kind of protection does the TDF8532BHH/N3Y offer?
The TDF8532BHH/N3Y offers protection features including independent output current per channel, load dump protection, over- and undervoltage protection, and thermal fold-back and thermal protection.
- Is the TDF8532BHH/N3Y compliant with any automotive standards?
- Can the TDF8532BHH/N3Y be used in active noise-cancellation systems?
- What is the package type of the TDF8532BHH/N3Y?
The TDF8532BHH/N3Y comes in a 100LQFP package.
- Is the TDF8532BHH/N3Y RoHS compliant?
