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Amplificadores de audio para uso automotriz
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TAS67534-Q1

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

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TAS67534-Q1

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Detalles del producto

Output power (W) 52 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) 52 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 via I2S/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 I2S or 4-16 channel TDM input
    • 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 × 52W (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 via I2S/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 I2S or 4-16 channel TDM input
    • 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 × 52W (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 TAS67534-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 design. Additionally, 1L modulation lowers switching losses compared to traditional Class-D modulation schemes.

The TAS67534-Q1 integrates DC and AC load diagnostics to determine the status of the connected loads. During audio playback this status can be monitored through Real-Time load diagnostics. The device also offers current sense for each channel and can report 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 TAS67534-Q1 device features an additional 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 TAS67534-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 design. Additionally, 1L modulation lowers switching losses compared to traditional Class-D modulation schemes.

The TAS67534-Q1 integrates DC and AC load diagnostics to determine the status of the connected loads. During audio playback this status can be monitored through Real-Time load diagnostics. The device also offers current sense for each channel and can report 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 TAS67534-Q1 device features an additional 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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* Hoja de datos TAS67534-Q1 ​​​1L Modulation, 52 W, 2MHz Digital Input 4 -Channel Automotive Class-D Audio Amplifier With Current Sense and Real-time Load Diagnostics datasheet PDF | HTML 27/08/2026

Diseño y desarrollo

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Placa de evaluación

TAS67534Q1EVM — Módulo de evaluación TAS67534-Q1

El TAS67534Q1EVM presenta el TAS67534-Q1, un amplificador automotriz de audio de clase D de bucle cerrado de entrada digital y cuatro canales con modulación 1L que elimina 1 inductor por canal y reduce los costos del inductor en un 50 % para cuatro canales. El EVM utiliza la interfaz gráfica de (...)

Productos y hardware compatibles
GUI para el módulo de evaluación (EVM)

TAS67534-TAS67624-GUI — GUI TAS67534-Q1 y TAS67624-Q1 EVM

TAS67534-Q1 and TAS67624-Q1 EVM GUI
Productos y hardware compatibles
Soporte de software

TAS67534-Q1-DESIGN — TAS67534-Q1 Technical Documentation

TAS67534-Q1 Technical Documentation
Productos y hardware compatibles
Certificación

TAS67534-Q1EVM-DOC-CERT — Declaración de conformidad (DoC) de la UE del TAS67534-Q1EVM.

TAS67534-Q1EVM EU Declaration of Conformity (DoC)
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