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LIMCHIP CO., LIMITED
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RFQ ListingAnalog ICs & Data Converters
TAS6424EQDKQRQ1 is a TI AEC-Q100 four-channel digital-input Class-D audio amplifier with 2.1 MHz PWM switching, I2S/TDM input and I2C control. It delivers 45 W per channel into 2 ohm at 14.4 V BTL (75 W into 4 ohm at 25 V, 150 W PBTL at 2 ohm/25 V) from a 4.5 V to 26.4 V supply, with full load diagnostics and 40 V load-dump protection in a 56-pin HSSOP (DKQ) package.
ManufacturerTexas Instruments
PackageHSSOP (DKQ), 56-pin, 7.50 mm wide PowerBSSOP
SeriesTAS6424E-Q1
Analog / Signal Chain Specifications
| Parameter | Value / Specification |
|---|---|
| Channels / Configuration | Four channels, BTL; two-channel parallel BTL (PBTL) up to 150 W |
| Supply Voltage | 4.5 V to 26.4 V power-stage supply; full operation at 4.5 V for start/stop |
| Key Performance | 45 W, 10% THD into 2 ohm at 14.4 V BTL; 75 W into 4 ohm at 25 V BTL; 2.1 MHz output switching; up to 40 kHz audio bandwidth |
| Audio Input | Digital I2S/TDM input with 16-32 bit word length and up to 96 kHz (192 kHz class) sampling |
| Control Interface | I2C control with 4 address options; latched and non-latched clip detect |
| Diagnostics / Protection | Load diagnostics (open/short, short-to-battery/ground, line output up to 6 kOhm); 40 V load-dump, DC-offset, over-temperature, UV/OV protection |
| Noise / THD Performance | THD+N <0.009% at 1 W (4 ohm, 14.4 V BTL); 30 uVRMS output noise; -97 dB crosstalk |
| EMI | Enhanced EMI management with spread-spectrum, phase offset and slew-rate control |
| Qualification | AEC-Q100 Grade 1 |
| Package / Case | HSSOP (DKQ), 56-pin, 7.50 mm wide PowerBSSOP |
Analog Features & Applications
- Four-channel digital-input Class-D with 2.1 MHz switching
- 45 W/channel into 2 ohm at 14.4 V; 75 W/channel at 25 V BTL
- I2S/TDM digital audio with high-resolution formats
- Full speaker load diagnostics and line-output detection
- 40 V load-dump tolerant with complete fault protections
- Enhanced EMI management for CISPR-sensitive vehicle cabins
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Frequently Asked Questions
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