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TPA6404-Q1

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Audio-Verstärker der Klasse D für die Automobilindustrie, 45 W, 2 MHz, 4 Kanal, 4,5 bis 18 V, Analog

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Datenblatt

TPA6404-Q1

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Produktdetails

Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 18 Power stage supply (min) (V) 4.5 Load (min) (Ω) 2 Output power (W) 45 THD + N at 1 kHz (%) 0.01 Iq (typ) (mA) 155 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 18 PSRR (dB) 75 Operating temperature range (°C) -40 to 125
Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Automotive Power stage supply (max) (V) 18 Power stage supply (min) (V) 4.5 Load (min) (Ω) 2 Output power (W) 45 THD + N at 1 kHz (%) 0.01 Iq (typ) (mA) 155 Control interface I2C Closed/open loop Closed Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 18 PSRR (dB) 75 Operating temperature range (°C) -40 to 125
HSSOP (DKQ) 56 190.647 mm² 18.42 x 10.35
  • Advanced Load Diagnostics
    • AC Diagnostic for Tweeter Detection with Impedance and Phase Response
    • Integrated sine wave Generator
  • Easy to meet CISPR25-L5 EMC specification
  • AEC-Q100 Qualified With the Following Results for Automotive Applications:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level: 3A
    • Device CDM ESD Classification Level: C4B
  • Audio Inputs
    • 4 Channel Differential Analog Input
    • Four I2C-Controlled Gain Options
    • High Input Impedance for Low Value AC-coupling Capacitor
  • Audio Outputs
    • Four-Channel Bridge-Tied Load (BTL), with Option of Parallel BTL (PBTL)
    • Up to 2.1 MHz Output Switching Frequency
    • 27 W, 10% THD into 4 Ω at 14.4 V
    • 45 W, 10% THD into 2 Ω at 14.4 V
    • 85 W, 10% THD into 1 Ω at 14.4 V PBTL
  • Audio Performance into 4 Ω at 14.4 V, 1 kHz
    • THD+N < 0.01%
    • 42 µVRMS Output Noise
    • - 90 dB Crosstalk
  • Load Diagnostics
    • Output Open and Shorted Load
    • Output-to-Battery or Ground Shorts
    • Line Output Detection Up to 6 kΩ
    • Runs without Input Clocks
  • Protection
    • Output Current Limiting
    • Output Short Protection
    • 40 V Load Dump
    • Fortuitous Open Ground and Power Tolerant
    • DC Offset
    • Over Temperature
    • Undervoltage and Overvoltage
  • General Operation
    • 4.5 V to 18 V supply voltage
    • I2C Control With 4 Address Options
    • Clip Detection and Thermal Foldback
  • Advanced Load Diagnostics
    • AC Diagnostic for Tweeter Detection with Impedance and Phase Response
    • Integrated sine wave Generator
  • Easy to meet CISPR25-L5 EMC specification
  • AEC-Q100 Qualified With the Following Results for Automotive Applications:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level: 3A
    • Device CDM ESD Classification Level: C4B
  • Audio Inputs
    • 4 Channel Differential Analog Input
    • Four I2C-Controlled Gain Options
    • High Input Impedance for Low Value AC-coupling Capacitor
  • Audio Outputs
    • Four-Channel Bridge-Tied Load (BTL), with Option of Parallel BTL (PBTL)
    • Up to 2.1 MHz Output Switching Frequency
    • 27 W, 10% THD into 4 Ω at 14.4 V
    • 45 W, 10% THD into 2 Ω at 14.4 V
    • 85 W, 10% THD into 1 Ω at 14.4 V PBTL
  • Audio Performance into 4 Ω at 14.4 V, 1 kHz
    • THD+N < 0.01%
    • 42 µVRMS Output Noise
    • - 90 dB Crosstalk
  • Load Diagnostics
    • Output Open and Shorted Load
    • Output-to-Battery or Ground Shorts
    • Line Output Detection Up to 6 kΩ
    • Runs without Input Clocks
  • Protection
    • Output Current Limiting
    • Output Short Protection
    • 40 V Load Dump
    • Fortuitous Open Ground and Power Tolerant
    • DC Offset
    • Over Temperature
    • Undervoltage and Overvoltage
  • General Operation
    • 4.5 V to 18 V supply voltage
    • I2C Control With 4 Address Options
    • Clip Detection and Thermal Foldback

The TPA6404-Q1 device is a four-channel analog-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency that enables a cost optimized solution in a very small 4.5 cm2 PCB size, full operation down to 4.5 V for start/stop events, and exceptional sound quality with up to 100 kHz audio bandwidth.

The TPA6404-Q1 Class-D audio amplifier has an optimal design for use in entry level automotive head units that provide analog audio input signals as part of their system design.

The Class-D topology dramatically improves efficiency over traditional linear amplifier solutions.

The output switching frequency operates above the AM band, which eliminates the AM band interference and reduces the output filter size and cost.

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

The TPA6404-Q1 device is a four-channel analog-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency that enables a cost optimized solution in a very small 4.5 cm2 PCB size, full operation down to 4.5 V for start/stop events, and exceptional sound quality with up to 100 kHz audio bandwidth.

The TPA6404-Q1 Class-D audio amplifier has an optimal design for use in entry level automotive head units that provide analog audio input signals as part of their system design.

The Class-D topology dramatically improves efficiency over traditional linear amplifier solutions.

The output switching frequency operates above the AM band, which eliminates the AM band interference and reduces the output filter size and cost.

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

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Typ Titel Datum
* Data sheet TPA6404-Q1 45-W,​​​ 2-MHz Analog Input -Channel Automotive Class-D Audio Amplifier With Load Dump Protection and I2C Diagnostics datasheet (Rev. A) PDF | HTML 14 Feb 2018
Application brief Diagnostics and Protections in Automotive Audio Systems (Rev. A) 24 Sep 2019
Application note Inductor Selection Guide for 2.1 MHz Class-D Amplifiers (Rev. A) 05 Sep 2019
EVM User's guide TPA6404Q1 EVM User's Guide (Rev. A) 15 Feb 2018
Technical article Why you should use a Class-D audio amplifier in your automotive infotainment syste PDF | HTML 08 Jan 2018

Design und Entwicklung

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Evaluierungsplatine

TPA6404Q1EVM — TPA6404-Q1 50 W, 2-MHz-Analog-Eingang, 4-Kanal-Audioverstärker der Klasse D für die Automobilindustr

The TPA6404Q1EVM evaluation module (EVM) demonstrates the TPA6404-Q1 integrated circuit from Texas Instruments. The TPA6404-Q1 device is a four-channel analog-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency that enables a cost optimized solution in a very small PCB (...)

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TPA6404-Q1 IBIS Model

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