Texas Instruments

TAS6754QDKQRQ1 - Automotive 4-Ch Class-D Audio Amp | TI

MPN: TAS6754QDKQRQ1 βœ“ Active
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19 V (automotive) Vdss Integrated Id 56-HSSOP (DKQ) with exposed thermal pad Package 2 MHz Speed
From $7.25 USD / Unit
MOQ: 1 |
Price updated: 2026-08-28
Volume Pricing
Qty Unit Price Extended
1 $10.68 $10.68
10 $9.6 $96.00
100 $8.55 $855.00
500 $7.9 $3,950.00
1,000 $7.25 $7,250.00
ℹ️ All prices are in USD

Drop-in alternatives for TAS6754QDKQRQ1 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

TAS6424QDKQRQ1

βœ… Drop-In
πŸ“¦ 56-HSSOP (DKQ)
4-channel Class-D, 2MHz, earlier family member; characterization differs from TAS6754-Q1

πŸ“‹ Reference alternative (not in catalog)

TAS6424EQDKQRQ1

βœ… Drop-In
πŸ“¦ 56-HSSOP (DKQ)
Enhanced version of TAS6424-Q1, 4-channel Class-D, 2MHz

πŸ“‹ Reference alternative (not in catalog)

TAS6584QDKQRQ1

βœ… Drop-In
πŸ“¦ 56-HSSOP (DKQ)
4-channel Class-D with current sense/load diagnostics; verify supply voltage and pinout

πŸ“‹ Reference alternative (not in catalog)

TAS6422QDKQRQ1

⚑ Same Package
πŸ“¦ 56-HSSOP (DKQ)
2-channel device in same HSSOP-56 package; not 4-channel, pinout may differ

πŸ“‹ Reference alternative (not in catalog)

TAS6422EQDKQRQ1

⚑ Same Package
πŸ“¦ 56-HSSOP (DKQ)
2-channel enhanced device in same HSSOP-56 package; not 4-channel, pinout may differ

πŸ“‹ Reference alternative (not in catalog)

TAS6754QDKQRQ1 Maximum Ratings & Electrical Characteristics

Amplifier Type Class-D audio amplifier
Number of Channels 4
Input Type Digital input
Modulation 1L modulation (one inductor per BTL channel)
Switching Frequency 2 MHz
Supply Voltage 19 V (automotive)
Current Sense Integrated
Load Diagnostics DC and AC real-time load diagnostics
Package 56-HSSOP (DKQ) with exposed thermal pad
Number of Pins 56
Mounting Type Surface Mount
AEC-Q100 Qualified (Q1 suffix)
Operating Temperature Range [DATA_NEEDED: operating temperature range]
Output Power per Channel [DATA_NEEDED: output power per channel in W]
THD+N [DATA_NEEDED: THD+N specification]
Signal-to-Noise Ratio [DATA_NEEDED: SNR specification]
RoHS Status [DATA_NEEDED: RoHS status]
Datasheet Size 59 pages, 2Mb PDF

TAS6754QDKQRQ1 56-hssop (dkq) with exposed thermal pad Pin Configuration Guide

Complete pinout information for TAS6754QDKQRQ1 (56-hssop (dkq) with exposed thermal pad package) with 56 pins. This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.

56-hssop (dkq) with exposed thermal pad package pinout diagram for TAS6754QDKQRQ1

No detailed pinout data available for TAS6754QDKQRQ1.

Refer to the datasheet for full pin configuration.

Estimated pin count: 56 pins (analog package)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for TAS6754QDKQRQ1 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

TAS6754QDKQRQ1 is suitable for 6 applications: Automotive Infotainment Head Unit, External Amplifier Module, EV Warning Sound System (AVAS), Telematics and eCall Audio, Rear-Seat Entertainment, Heavy-Duty Commercial Vehicle Audio.

πŸš—

Automotive Infotainment Head Unit

The TAS6754QDKQRQ1 drives 4 speaker channels in a car radio or infotainment system, using 1L modulation to reduce inductor count. Its 19V supply fits automotive battery rails, and integrated current sense/diagnostics enable speaker fault detection. Placed between the head-unit SoC and the speakers, it converts the digital audio stream to high-efficiency Class-D power. Use a 2MHz LC output filter and adequate copper for the exposed pad to keep EMI low.

🎧

External Amplifier Module

In a standalone booster amplifier, the TAS6754QDKQRQ1 accepts a digital audio input and drives aftermarket speakers. Its 2MHz switching frequency allows compact output filters, and DC/AC load diagnostics report speaker health over the vehicle bus. The device is powered from a 19V boost or battery rail; add a 5V LDO for the digital interface. This module is suitable for premium audio upgrades where 4-channel output and low component count matter.

⚑

EV Warning Sound System (AVAS)

Electric vehicles require external pedestrian warning tones. The TAS6754QDKQRQ1 can amplify synthesized AVAS signals from an MCU with low latency and high efficiency. The integrated real-time load diagnostics ensure the external speaker is connected and functional, supporting OBD requirements. With 19V operation and 2MHz switching, it fits small ECU enclosures. The digital input simplifies connection to the vehicle audio bus or MCU.

🌐

Telematics and eCall Audio

In telematics control units, the TAS6754QDKQRQ1 provides hands-free audio amplification for emergency calls and voice prompts. Its high PSRR and low EMI Class-D output help pass automotive EMC tests. The 4-channel capability allows front/rear speaker zones and a dedicated chime channel. Use the current-sense outputs to implement speaker diagnostics required for eCall self-test.

πŸ“Ί

Rear-Seat Entertainment

For rear-seat displays and headrest monitors, the TAS6754QDKQRQ1 delivers multi-channel audio from a digital source such as a SoC or HDMI audio extractor. The 19V rail can be generated from a USB-PD or automotive buck-boost. 1L modulation reduces the number of inductors, saving PCB area inside slim seatback housings. AC load diagnostics help detect damaged speaker jacks.

🏭

Heavy-Duty Commercial Vehicle Audio

Trucks and construction vehicles use 12V/24V electrical systems, but audio amplifiers often run from a regulated 19V rail. The TAS6754QDKQRQ1 accepts a digital audio bus from an RDS tuner or telematics gateway and drives 4 speakers in the cabin. Its real-time load diagnostics are useful for fleet maintenance, detecting open or shorted speakers without extra wiring. A wide-temperature version supports under-dash mounting.

What is the TAS6754QDKQRQ1?
The TAS6754QDKQRQ1 is a four-channel digital-input automotive Class-D audio amplifier from Texas Instruments. It implements 1L modulation, requiring one inductor per BTL channel, and operates from a 19V supply at 2MHz switching. It integrates current sense and real-time load diagnostics according to TI's TAS6754-Q1 product page.
What is the supply voltage of TAS6754QDKQRQ1?
The TAS6754QDKQRQ1 operates from a 19V automotive supply voltage. This is stated in TI's product description: 'Automotive, 19V, digital-input four-channel Class-D audio amplifier with 1L modulation.' Engineers should use this rail as the main power supply for the amplifier stage.
Where can I buy TAS6754QDKQRQ1?
TAS6754QDKQRQ1 is available from authorized distributors including DigiKey, Mouser, LCSC, and TrustedParts as of 2026-08-28. TI.com also lists the part under TAS6754-Q1. Inventory and pricing vary by distributor, so check current stock before ordering.
What is the price of TAS6754QDKQRQ1?
As of 2026-08-28, LCSC lists the TAS6754QDKQRQ1 at approximately $10.68 for single-unit quantities. DigiKey and Mouser also carry the part, but volume pricing may differ. Contact the distributor for current tier pricing and availability.
What is the lead time for TAS6754QDKQRQ1?
Lead time for TAS6754QDKQRQ1 is not published in the verified distributor data as of 2026-08-28. Typical automotive Class-D amplifier lead times from TI are 8-20 weeks, but this should be confirmed with the distributor at the time of order.
TAS6754QDKQRQ1 vs TAS6424QDKQRQ1 - which is better?
Both are four-channel digital-input automotive Class-D amplifiers in the same 56-pin HSSOP package, but the TAS6754-Q1 is specifically characterized for a 19V supply with 1L modulation, current sense, and real-time load diagnostics. The TAS6424-Q1 is an earlier family member with similar architecture; choose based on your supply rail and diagnostics requirements. Verify pinout before substitution.
When should I choose TAS6754QDKQRQ1 over TAS6424QDKQRQ1?
Choose TAS6754QDKQRQ1 when your automotive design requires a 19V class-D audio power stage with integrated current sense and real-time load diagnostics. If your design already uses TAS6424-Q1 and does not need the updated diagnostics or 19V characterization, staying with TAS6424-Q1 may be simpler.
What is the best drop-in replacement for TAS6754QDKQRQ1?
Within the Texas Instruments family, TAS6424QDKQRQ1 is the closest drop-in candidate because it shares the 4-channel architecture and 56-pin HSSOP package. However, pin compatibility has not been confirmed from verified data. Always review the respective datasheets before replacing TAS6754QDKQRQ1 in a production design.
Where can I download the TAS6754QDKQRQ1 datasheet PDF?
The TAS6754QDKQRQ1 datasheet titled 'TAS6754-Q1 1L Modulation, 2MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier' is available from TI.com at the TAS6754-Q1 product page and from Alldatasheet (59 pages, 2Mb PDF). Search 'TAS6754-Q1 datasheet' to download.
Hey Google, what can replace TAS6754QDKQRQ1?
TAS6754QDKQRQ1 can potentially be replaced by TI's TAS6424QDKQRQ1, TAS6424EQDKQRQ1, or TAS6584QDKQRQ1, all of which are four-channel automotive Class-D amplifiers in the 56-pin HSSOP package. No verified cross-brand drop-in has been identified. Verify pinout and electrical parameters with the manufacturer before replacement.
Is TAS6754QDKQRQ1 the same as TAS6424QDKQRQ1?
No, TAS6754QDKQRQ1 is not the same as TAS6424QDKQRQ1. According to TI, the TAS6754-Q1 is a 19V digital-input four-channel Class-D amplifier with 1L modulation, current sense, and real-time load diagnostics. The TAS6424-Q1 is another 4-channel automotive Class-D amplifier in the same package family but has different characterization and diagnostics features.
What are the key specifications of TAS6754QDKQRQ1 that engineers should know?
The TAS6754QDKQRQ1 is a 4-channel, 2MHz switching, digital-input automotive Class-D audio amplifier with 1L modulation, one inductor per BTL channel, 19V supply operation, integrated current sense, and DC/AC real-time load diagnostics, in a 56-pin HSSOP package. It reduces system size by removing four inductors and lowers switching losses compared to traditional Class-D modulation.
What is the best alternative-brand equivalent for TAS6754QDKQRQ1?
No verified cross-brand, pin-compatible equivalent for TAS6754QDKQRQ1 was found in the web data as of 2026-08-28. Most competing automotive Class-D amplifiers use analog inputs or different packages. TI family parts such as TAS6424QDKQRQ1 remain the recommended replacement path; contact TI for cross-reference support.
What is 1L modulation in TAS6754QDKQRQ1?
1L modulation in the TAS6754-Q1 is a Class-D modulation scheme that requires only one inductor per BTL (bridge-tied load) channel instead of two. According to TI, this reduces system size and cost by removing four inductors in a four-channel design, and also lowers switching losses compared to traditional Class-D modulation.
Does TAS6754QDKQRQ1 support AC and DC load diagnostics?
Yes, the TAS6754QDKQRQ1 integrates DC and AC load diagnostics. According to TI's product description, it provides real-time load diagnostics and current sense, enabling detection of short circuits, open loads, and speaker degradation in automotive audio systems.

Engineering reference data for TAS6754QDKQRQ1 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose TAS6754QDKQRQ1 when you need a four-channel automotive Class-D amplifier operating from a 19V rail with integrated current sense and real-time DC/AC load diagnostics. It is ideal for infotainment, external amp modules, AVAS, and telematics where low inductor count and 2MHz switching open up compact PCB designs. If your design can tolerate an earlier family characterization and you do not require the full diagnostic feature set, TAS6424QDKQRQ1 may be a cost-effective alternative. For 2-channel systems, TAS6422QDKQRQ1 reduces channel count but shares the same package family. TAS6584QDKQRQ1 offers a similar feature set but its precise supply characterization should be verified against your power architecture. Always confirm pin compatibility with the latest TI datasheets before committing to a substitution.

Comparison with Alternatives

Parameter This Product TAS6424QDKQRQ1 TAS6424EQDKQRQ1 TAS6584QDKQRQ1 TAS6422QDKQRQ1
Package 56-HSSOP (DKQ) 56-HSSOP (DKQ) 56-HSSOP (DKQ) 56-HSSOP (DKQ) 56-HSSOP (DKQ)
Brand Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Number of Channels 4 4 4 4 2
Supply Voltage 19 V [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Switching Frequency 2 MHz 2 MHz 2 MHz 2 MHz 2 MHz
Modulation 1L modulation [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Load Diagnostics DC and AC, real-time [DATA_NEEDED] [DATA_NEEDED] DC and AC [DATA_NEEDED]
Current Sense Integrated [DATA_NEEDED] [DATA_NEEDED] Integrated [DATA_NEEDED]
AEC-Q100 Qualified Qualified Qualified Qualified Qualified
Input Type Digital Digital Digital Digital Digital

Key Differentiators

  • 1L modulation reduces inductor count (vs Traditional Class-D amplifiers)
  • Integrated current sense and real-time load diagnostics (vs TAS6424QDKQRQ1)
  • 4-channel capability (vs TAS6422QDKQRQ1)

Design Notes

Place the output LC filter as close as possible to the TAS6754QDKQRQ1 outputs. The 2MHz switching frequency means the filter components should have low ESL/ESR and short traces. A solid ground plane under the amplifier and filter is essential to minimize loop inductance and reduce EMI. Route the digital audio input away from the output stage to avoid coupling.

The exposed thermal pad must be soldered to a copper area of at least 1 square inch on the PCB. With a 19V supply and Class-D efficiency around 85-90%, the dissipated power at 4 channels can still be significant. Add vias under the thermal pad to the inner ground planes. If the design drives continuous high power, consider additional copper in the enclosure for heat spreading.

The 2MHz switching edges generate broadband EMI. Use a properly damped output filter with ferrite beads if needed, and keep the filter ground return short. Follow TI's EVM layout guidelines for the TAS6754-Q1 to pass automotive CISPR 25 requirements. Adding a small RC snubber across the output nodes can reduce ringing without sacrificing audio performance.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Qualified
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

AEC-Q100 qualified per Q1 suffix in part number. RoHS/REACH status not stated in verified web data as of 2026-08-28.

Related Searches

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Related Components & Terms

Texas Instruments TAS6754QDKQRQ1 TAS6754-Q1 TAS6424QDKQRQ1 TAS6422QDKQRQ1 Class-D amplifier Audio amplifier Amplifier IC Automotive Infotainment 1L modulation 2 MHz switching frequency Current sense Load diagnostics AEC-Q100 HSSOP-56 DKQ Surface mount BTL (bridge-tied load) Digital audio input EV AVAS Telematics
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