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TAS6584-Q1

現行

具電流感測功能的車用 45-V、10-A 數位輸入、四通道 D 類音訊放大器

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產品規格表

TAS6584-Q1

現行
產品規格表 立即訂購

產品詳細資料

Audio input type Digital Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 45 Power stage supply (min) (V) 4.5 Load (min) (Ω) 2 Output power (W) 215 SNR (dB) 111 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 120 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 45 Sampling rate (max) (kHz) 192 PSRR (dB) 75 Operating temperature range (°C) -40 to 125
Audio input type Digital Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 45 Power stage supply (min) (V) 4.5 Load (min) (Ω) 2 Output power (W) 215 SNR (dB) 111 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 120 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 45 Sampling rate (max) (kHz) 192 PSRR (dB) 75 Operating temperature range (°C) -40 to 125
HTQFP (PHD) 64 256 mm² 16 x 16
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • General operation
    • 4.5-V to 45-V supply voltage, 50-V load dump
    • Support for 1.8-V and 3.3-V I/O’s
    • I2C control with 8 address options
    • <2-W idle power loss at 14.4 V, <8-uA max VBAT+PVDD shutdown loss
  • Integrated DSP processing
    • Class-H supply voltage control
    • Thermal monitoring and foldback
    • Clip detection, PVDD monitoring and foldback
  • Output current sensing by channel via I2S/TDM
    • No need for external circuitry
  • Real-time load diagnostics
    • Monitor output conditions while playing audio
    • Open load, Shorted load, Short-to-power, 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, 192 kHz
    • Secondary low latency path, >70% reduced signal delay at 48 kHz
  • Audio outputs
    • 4-channel bridge-tied load (BTL), configurable 2-channel parallel BTL (PBTL)
    • 384-kHz to 2.1-MHz configurable output switching frequency
    • Up to 10-A channel output current
    • 400-VA peak BTL output power
    • 118 W (45 V, 8 Ω, 1% THD, BTL)
    • 215 W (45 V, 4 Ω, 1% THD, BTL)
  • Audio Performance
    • THD+N 0.03% (8 Ω, 1 W, 1 kHz)
    • 111 dB SNR
    • 37 µV (14.4 V), 80 µV (45 V) output noise
  • Protection
    • Output short protection
    • DC offset, undervoltage and overvoltage
    • Configurable overtemperature warning and individual channel shutdown
    • I2C temperature and supply voltage readout
  • Easily meet CISPR25-L5 EMC specification
    • Advanced spread-spectrum
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • General operation
    • 4.5-V to 45-V supply voltage, 50-V load dump
    • Support for 1.8-V and 3.3-V I/O’s
    • I2C control with 8 address options
    • <2-W idle power loss at 14.4 V, <8-uA max VBAT+PVDD shutdown loss
  • Integrated DSP processing
    • Class-H supply voltage control
    • Thermal monitoring and foldback
    • Clip detection, PVDD monitoring and foldback
  • Output current sensing by channel via I2S/TDM
    • No need for external circuitry
  • Real-time load diagnostics
    • Monitor output conditions while playing audio
    • Open load, Shorted load, Short-to-power, 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, 192 kHz
    • Secondary low latency path, >70% reduced signal delay at 48 kHz
  • Audio outputs
    • 4-channel bridge-tied load (BTL), configurable 2-channel parallel BTL (PBTL)
    • 384-kHz to 2.1-MHz configurable output switching frequency
    • Up to 10-A channel output current
    • 400-VA peak BTL output power
    • 118 W (45 V, 8 Ω, 1% THD, BTL)
    • 215 W (45 V, 4 Ω, 1% THD, BTL)
  • Audio Performance
    • THD+N 0.03% (8 Ω, 1 W, 1 kHz)
    • 111 dB SNR
    • 37 µV (14.4 V), 80 µV (45 V) output noise
  • Protection
    • Output short protection
    • DC offset, undervoltage and overvoltage
    • Configurable overtemperature warning and individual channel shutdown
    • I2C temperature and supply voltage readout
  • Easily meet CISPR25-L5 EMC specification
    • Advanced spread-spectrum

The TAS6584-Q1 is a four-channel, digital-input, high-voltage, Class-D audio amplifier that supports up to 45-V supply voltage. In combination with up to 10-A output current, this device delivers maximum output power and high fidelity audio in high and low impedance loads. The device provides four channels at 118 W (45 V, 8 Ω, 1% THD, BTL) and 215 W (45 V, 4 Ω, 1% THD, BTL).

The TAS6584-Q1 integrates DC and AC load diagnostics to determine the status of the connected loads before enabling the output stage. During audio playback, the 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 using real-time load diagnostics which operate independent from host and audio input.

To optimize system efficiency, the integrated DSP of the TAS6584-Q1 enables Class-H envelope tracking control, eliminating the need for development of complex tracking software and making local boost voltage control possible without the need for an external microcontroller.

The TAS6584-Q1 device features an additional low-latency signal path for each channel, providing up to 70% faster signal processing at 48 kHz which enables time-sensitive Active Noise Cancellation (ANC), Road Noise Cancellation (RNC) applications.

The device is offered in a 64-pin QFP package with the exposed thermal pad up.

The TAS6584-Q1 is a four-channel, digital-input, high-voltage, Class-D audio amplifier that supports up to 45-V supply voltage. In combination with up to 10-A output current, this device delivers maximum output power and high fidelity audio in high and low impedance loads. The device provides four channels at 118 W (45 V, 8 Ω, 1% THD, BTL) and 215 W (45 V, 4 Ω, 1% THD, BTL).

The TAS6584-Q1 integrates DC and AC load diagnostics to determine the status of the connected loads before enabling the output stage. During audio playback, the 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 using real-time load diagnostics which operate independent from host and audio input.

To optimize system efficiency, the integrated DSP of the TAS6584-Q1 enables Class-H envelope tracking control, eliminating the need for development of complex tracking software and making local boost voltage control possible without the need for an external microcontroller.

The TAS6584-Q1 device features an additional low-latency signal path for each channel, providing up to 70% faster signal processing at 48 kHz which enables time-sensitive Active Noise Cancellation (ANC), Road Noise Cancellation (RNC) applications.

The device is offered in a 64-pin QFP package with the exposed thermal pad up.
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類型 標題 日期
* Data sheet TAS6584-Q1 - 45-V​​​, 10-A Digital Input 4-Channel Automotive Class-D Audio Amplifier with Current Sense and Real-time Load Diagnostics datasheet (Rev. A) PDF | HTML 2022年 3月 28日
Application brief TAS6584-Q1 in Personal Electronics PDF | HTML 2022年 11月 23日
Application brief 實時負載診斷 PDF | HTML 2022年 3月 7日
Product overview 車用 D 類音訊放大器 PDF | HTML 2022年 3月 7日
Technical article Creating an immersive automotive audio experience with higher output power and Cla PDF | HTML 2022年 2月 22日
Application note Inductor Selection Guide for 2.1 MHz Class-D Amplifiers (Rev. A) 2019年 9月 5日

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TAS6584Q1EVM — 適用於 45-V、10-A 數位輸入、四通道 D 類音訊放大器的 TAS6584-Q1 評估模組

TAS6584Q1EVM 評估模組 (EVM)，展現具備電流感應和即時負載診斷功能的 TAS6584-Q1、45 V、10-A 數位輸入四通道車用、D 類音訊放大器。EVM 也配備適用於 GUI 驅動 EVM 評估的板載 USB-I²C 控制器。TAS6584-Q1 車用 D 類放大器，可幫助打造身臨其境的音訊體驗，同時在音訊播放期間支援即時喇叭診斷。具有 45-V 供電的 TAS6584-Q1，提供每通道 213-W (1% THD+N) 至 4 Ω。TAS6584-Q1 裝置擁有從 4.5-V 到 45-V 的廣泛供應電壓功能，並整合 DC 與 AC (...)

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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參考設計

TIDA-020033 — 車用 H 類音訊與追蹤電源供應器參考設計

This reference design demonstrates a Class-H audio and tracking power supply audio subsystem. The TAS6584-Q1 audio amplifier tracks the envelope of the digital audio input and adjusts the LM5123-Q1 boost output voltage to meet the power efficiency requirements without the need for an external (...)
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