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Amplificadores de audio
Amplificadores de audio para uso automotriz
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TAS67524-Q1

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Amplificador de audio de clase D de cuatro canales con entrada digital de 19 V y modulación 1L pa

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TAS67524-Q1

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Detalles del producto

Output power (W) 50 Power stage supply (max) (V) 19 Power stage supply (min) (V) 4.5 Speaker channels (max) 4 Features 1L modulation, Current sense, Low latency, real-time load diagnostics, thermal pad up Audio input type Digital Input Control interface I2C THD + N at 1 kHz (%) 0.02 Switching frequency (max) (Hz) 2000000 Output noise voltage (µV) 35 Sampling rate (max) (Hz) 192000 Rating Automotive Operating temperature range (°C) -40 to 125
Output power (W) 50 Power stage supply (max) (V) 19 Power stage supply (min) (V) 4.5 Speaker channels (max) 4 Features 1L modulation, Current sense, Low latency, real-time load diagnostics, thermal pad up Audio input type Digital Input Control interface I2C THD + N at 1 kHz (%) 0.02 Switching frequency (max) (Hz) 2000000 Output noise voltage (µV) 35 Sampling rate (max) (Hz) 192000 Rating Automotive Operating temperature range (°C) -40 to 125
HSSOP (DKQ) 56 190.647 mm² (18.42 mm × 10.35 mm)
  • AEC-Q100 qualified for Automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • General operation
    • 4.5V to 19V supply voltage, 40V load dump
    • Low latency path reducing group delay by >70% at 48kHz
    • Support for 1.8V and 3.3V I/Os
    • I2C control with 8 address options
  • 1L Modulation
    • Requires only one inductor per channel saving four inductors versus a traditional design
    • Lower system component cost for inductors
    • Smaller PCB footprint
  • Audio Performance
    • THD+N 0.02% (4Ω, 1W, 1kHz)
    • Output noise: 35µVRMS at 14.4V, A-weighting
    • Efficiency > 90% at 4×25W, 4Ω, 14.4V
  • Output current sensing by channel using I2S or TDM
    • No external circuitry needed
  • Real-time load diagnostics
    • Monitor output conditions while playing audio
    • Open Load, Shorted load, Short-to-power, and Short-to-ground detection
  • DC and AC Standby load diagnostics
  • Audio inputs
    • 2-4 channel using I2S or 4-16 channel using TDM
    • Input sample rates: 44.1, 48, 96, 192kHz
  • Audio outputs
    • 4 channel bridge-tied load (BTL), configurable 2 channel parallel-BTL (PBTL)
    • 2MHz output switching frequency
    • 4×30W (4Ω, 14.4V, 1kHz 10% THD+N)
    • 4×50W (2Ω, 14.4V, 1kHz 10% THD+N)
  • Advanced spread-spectrum and selectable phase offset
  • Protection and Monitoring
    • Cycle-by-cycle current limiting
    • Output short protection
    • Clip detection with configurable thresholds
    • Thermal foldback and PVDD foldback
    • I2C temperature and supply voltage readout
    • Configurable overtemperature warning and individual channel shutdown
    • DC offset, undervoltage and overvoltage
  • AEC-Q100 qualified for Automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • General operation
    • 4.5V to 19V supply voltage, 40V load dump
    • Low latency path reducing group delay by >70% at 48kHz
    • Support for 1.8V and 3.3V I/Os
    • I2C control with 8 address options
  • 1L Modulation
    • Requires only one inductor per channel saving four inductors versus a traditional design
    • Lower system component cost for inductors
    • Smaller PCB footprint
  • Audio Performance
    • THD+N 0.02% (4Ω, 1W, 1kHz)
    • Output noise: 35µVRMS at 14.4V, A-weighting
    • Efficiency > 90% at 4×25W, 4Ω, 14.4V
  • Output current sensing by channel using I2S or TDM
    • No external circuitry needed
  • Real-time load diagnostics
    • Monitor output conditions while playing audio
    • Open Load, Shorted load, Short-to-power, and Short-to-ground detection
  • DC and AC Standby load diagnostics
  • Audio inputs
    • 2-4 channel using I2S or 4-16 channel using TDM
    • Input sample rates: 44.1, 48, 96, 192kHz
  • Audio outputs
    • 4 channel bridge-tied load (BTL), configurable 2 channel parallel-BTL (PBTL)
    • 2MHz output switching frequency
    • 4×30W (4Ω, 14.4V, 1kHz 10% THD+N)
    • 4×50W (2Ω, 14.4V, 1kHz 10% THD+N)
  • Advanced spread-spectrum and selectable phase offset
  • Protection and Monitoring
    • Cycle-by-cycle current limiting
    • Output short protection
    • Clip detection with configurable thresholds
    • Thermal foldback and PVDD foldback
    • I2C temperature and supply voltage readout
    • Configurable overtemperature warning and individual channel shutdown
    • DC offset, undervoltage and overvoltage

The TAS67524-Q1 is a four-channel digital-input Class-D audio amplifier that implements 1L modulation only requiring one inductor per BTL channel reducing system size and cost by removing four inductors compared to a traditional solution. Additionally, 1L modulation lowers switching losses compared to traditional Class-D modulation schemes.

The TAS67524-Q1 integrates DC and AC Load Diagnostics to determine the status of the connected loads. During audio playback this status can be monitored through output current sense which is available for each channel and reports the measurement to a host processor through TDM with minimal delay. The device monitors the output load condition while playing audio through real-time load diagnostics independent of the host and audio input.

The TAS67524-Q1 device features an additionala low latency signal path for each channel, providing up to 70% faster signal processing at 48kHz which enables time-sensitive Active Noise Cancellation (ANC), Road Noise Cancellation (RNC) applications.

The device supports global temperature, channel temperature and PVDD values using I2C readout for easy system level thermal management.

The device is offered in a 56 pin HSSOP package with the exposed thermal pad up.

The TAS67524-Q1 is a four-channel digital-input Class-D audio amplifier that implements 1L modulation only requiring one inductor per BTL channel reducing system size and cost by removing four inductors compared to a traditional solution. Additionally, 1L modulation lowers switching losses compared to traditional Class-D modulation schemes.

The TAS67524-Q1 integrates DC and AC Load Diagnostics to determine the status of the connected loads. During audio playback this status can be monitored through output current sense which is available for each channel and reports the measurement to a host processor through TDM with minimal delay. The device monitors the output load condition while playing audio through real-time load diagnostics independent of the host and audio input.

The TAS67524-Q1 device features an additionala low latency signal path for each channel, providing up to 70% faster signal processing at 48kHz which enables time-sensitive Active Noise Cancellation (ANC), Road Noise Cancellation (RNC) applications.

The device supports global temperature, channel temperature and PVDD values using I2C readout for easy system level thermal management.

The device is offered in a 56 pin HSSOP package with the exposed thermal pad up.
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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TAS67524-Q1 ​​​1L Modulation, 50 W, 2MHz Digital Input 4 -Channel Automotive Class-D Audio Amplifier with Current Sense and Real-time Load Diagnostics datasheet PDF | HTML 25/11/2025
Artículo técnico Shrinking automotive audio system designs with Class-D amplifier 1L modulation (Rev. B) PDF | HTML 6/01/2026
Nota sobre la aplicación Using TI Audio Amplifiers in Automotive Seat Shaker Applications PDF | HTML 5/01/2026
Informe TSN in Automotive Zone Architectures: Enabling Ethernet Ring Architectures and AVB-Distributed Audio PDF | HTML 16/10/2025

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