Overview
The NXP TDF8532HH/N2/S710Y is a member of the TDF853x family of ultra-efficient Class-D amplifiers designed to deliver high-quality audio in automotive applications. These amplifiers are optimized for use in vehicles that support 5.5 V stop-start requirements and are ideal for active noise-cancellation systems, head units, and sound systems. They also support the generation of ambient and engine sounds in electric vehicles.
Key Specifications
| Parameter | Value |
|---|---|
| Type | 4-Channel (Quad) Class D Amplifier |
| Package | 100-HLQFP (14x14) |
| Supply Voltage | 5.5 V to 25 V |
| Max Output Power per Channel | 4 x 80 W |
| THD+N / Noise | 0.02% / 26 µV |
| Parallel Mode | Yes |
| Idle Power Dissipation | 2.8 W |
| Load Dump Protection | 50 V |
| Over- and Undervoltage Protection | Yes |
| Thermal Fold-back and Thermal Protection | Yes |
Key Features
- Four 2 or 4 Ω load Class-D BTL channels, with the option to combine two BTL channels to drive 1 Ω loads.
- 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.
- Quality in accordance with AEC-Q100.
- Diagnostic features including startup diagnostic for AC and DC coupled loads, supply voltage feedback with 8-bit resolution, selectable clip detection, and selectable diagnostic information on DIAG pins.
- IEEE 1194.1-compliant, board-level boundary scan.
- DC output offset diagnostics.
- Independent output current per channel with selectable thresholds.
- 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.
Q & A
- What is the TDF8532HH/N2/S710Y used for? The TDF8532HH/N2/S710Y is used in automotive applications for delivering high-quality audio in head units, sound systems, and active noise-cancellation systems.
- What is the supply voltage range of the TDF8532HH/N2/S710Y? The supply voltage range is from 5.5 V to 25 V.
- How many channels does the TDF8532HH/N2/S710Y have? It has four Class-D BTL channels.
- What is the maximum output power per channel? The maximum output power per channel is 80 W.
- Does the TDF8532HH/N2/S710Y support parallel mode? Yes, it supports parallel mode.
- What kind of protection features does the TDF8532HH/N2/S710Y have? It includes load dump protection, over- and undervoltage protection, thermal fold-back, and thermal protection.
- Is the TDF8532HH/N2/S710Y compliant with any automotive standards? Yes, it is compliant with AEC-Q100.
- What diagnostic features are available on the TDF8532HH/N2/S710Y? It includes startup diagnostic, supply voltage feedback, selectable clip detection, and DC output offset diagnostics.
- Can the TDF8532HH/N2/S710Y be used in electric vehicles? Yes, it can be used to generate ambient and engine sounds in electric vehicles.
- What is the package type of the TDF8532HH/N2/S710Y? It is packaged in a 100-HLQFP (14x14) package.
