Overview
The NXP TDF8534HH/N2Y is a member of the TDF853x family of ultra-efficient Class-D amplifiers designed to deliver a seamless audio experience in automotive applications. These amplifiers are particularly suited for vehicles that support 5.5 V stop-start requirements and are ideal for use in active noise-cancellation systems, head units, sound systems, and generating ambient or engine sounds in electric vehicles.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | TDF8534HH/N2Y |
| Manufacturer | NXP USA Inc. |
| Number of Channels | 5 |
| Supply Voltage | 5.5 V to 25 V |
| Max Output Power per Channel | 80 W |
| THD+N / Noise | 0.005% / 26 µV |
| Parallel Mode | Yes |
| Idle Power Dissipation | 3.5 W |
| Interleaved Mode | Yes |
| Load Impedance | 2 or 4 Ω |
| Package Type | 100HLQFP |
Key Features
- Three, four, or five 2 or 4 Ω load Class-D BTL channels
- Two BTL channels can combine to drive 1 Ω loads
- Feedback after low-pass filter for lower BOM cost and better audio quality
- Operation voltage from 5.5 V to 18 V (optional 25 or 45 V)
- Digital input in TDM/I²S format for easy board layout
- Line-driver mode to drive an external amplifier via direct loudspeaker cable
- Quality in accordance with AEC-Q100 standards
- Diagnostics:
- 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
- Generating ambient and/or engine sounds in electric vehicles
Q & A
- What is the TDF8534HH/N2Y used for?
The TDF8534HH/N2Y is used in automotive applications to deliver high-quality audio in head units, sound systems, and for generating ambient or engine sounds in electric vehicles.
- How many channels does the TDF8534HH/N2Y have?
The TDF8534HH/N2Y has five Class-D BTL channels.
- What is the supply voltage range for the TDF8534HH/N2Y?
The supply voltage range is from 5.5 V to 25 V.
- What is the maximum output power per channel?
The maximum output power per channel is 80 W.
- Does the TDF8534HH/N2Y support parallel mode?
Yes, it supports parallel mode.
- What are the key diagnostic features of the TDF8534HH/N2Y?
The key diagnostic features include startup diagnostic, supply voltage feedback, selectable clip detection, and DC output offset diagnostics.
- What protection features does the TDF8534HH/N2Y offer?
The protection features include independent output current per channel, load dump protection, over- and undervoltage protection, and thermal fold-back and thermal protection.
- Is the TDF8534HH/N2Y compliant with any automotive standards?
Yes, it is compliant with AEC-Q100 standards.
- Can the TDF8534HH/N2Y be used in active noise-cancellation systems?
Yes, it is ideally suited for use in active noise-cancellation systems.
- What is the package type of the TDF8534HH/N2Y?
The package type is 100HLQFP.
