TPA6304QDDVRQ1

• Highest efficiency Class-D
– Significantly more efficient than Class-AB
– Reduce thermal solution with 75% less heat
dissipation than Class-AB
• Start/stop operation down to 4.5 V
• AEC-Q100 Qualified for automotive applications:
– Temperature grade 1: –40°C to 125°C TA
– HBM ESD Classification level 2
– CDM ESD Classification level C2B
• 27 W, 10% THD into 4 Ω at 14.4 V
– Drives 4 Ω and 2 Ω loads
• Load diagnostics
– Output open, shorted load
– Output-to-battery or ground shorts
– Tweeter connected
• Designed with advanced gate drive to meet
CISPR25-L5 EMC specification
– Class-D at 2.1 MHz, no AM interference
– Spread Spectrum mode, Phase Offset, Slew
Rate Control
• Protection
– 40 V Load dump
– Output short protection
– DC offset and over temperature
– Fortuitous open ground and power tolerant
• Audio inputs
– 4 Channel single-ended analog input
– 10 dB, 16 dB, 22 dB or 28 dB Gain option
• Supports parallel channel drive (PBTL)
• Audio performance into 4 Ω at 14.4 V, 1 kHz
– THD+N < 0.006%
– 42 µVRMS Output Noise
– 80 dB PSRR
– Efficiency > 80%
• Special features
– Programmable clip detection
– Load current limiter
– Thermal gain foldback
– Fast and autonomous startup diagnostics
– AC load impedance measurement with
< 10 mA load current