Overview
The NXP TDF8534HH/N2/S710K is a member of the TDF853x family of ultra-efficient Class-D amplifiers designed to provide 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 |
|---|---|
| Type | TDF8534HH |
| Number of Channels | 5 |
| Supply Voltage | 5.5 V to 25 V |
| Max Output Power per Channel | 5 x 80 W |
| THD+N / Noise | 0.005 % / 26 µV |
| Idle Power Dissipation | 3.5 W |
| Package | 100-HLQFP (14x14) |
| Compliance | AEC-Q100, ROHS compliant |
Key Features
- Three, four, or five 2 or 4 Ω load Class-D BTL channels; two BTL channels can combine to drive 1 Ω
- 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 including startup diagnostic, supply voltage feedback, selectable clip detection, and IEEE 1194.1-compliant board-level boundary scan
- Protection features including independent output current per channel, 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/N2/S710K used for? The TDF8534HH/N2/S710K is used in automotive applications for providing high-quality audio in head units, sound systems, and active noise-cancellation systems.
- How many channels does the TDF8534HH/N2/S710K have? The TDF8534HH/N2/S710K has five Class-D BTL channels.
- What is the supply voltage range for the TDF8534HH/N2/S710K? 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/N2/S710K support interleaved power stages? Yes, it supports interleaved power stages for improved EMC and reduced output-filter cost/complexity.
- What diagnostic features does the TDF8534HH/N2/S710K have? It includes startup diagnostic, supply voltage feedback, selectable clip detection, and IEEE 1194.1-compliant board-level boundary scan.
- What protection features are included in the TDF8534HH/N2/S710K? It includes independent output current per channel, load dump protection (50 V), over- and undervoltage protection, thermal fold-back, and thermal protection.
- Is the TDF8534HH/N2/S710K compliant with automotive standards? Yes, it is compliant with AEC-Q100 and ROHS standards.
- What is the package type of the TDF8534HH/N2/S710K? The package type is 100-HLQFP (14x14).
- Can the TDF8534HH/N2/S710K drive an external amplifier? Yes, it can drive an external amplifier via direct loudspeaker cable in line-driver mode.
