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TPA6404-Q1
SLOS970B – JANUARY 2018 – REVISED JANUARY 2025
TPA6404-Q1 45W, 2MHz Analog Input 4-Channel Automotive Class-D Audio Amplifier with Load Dump Protection and I2C Diagnostics
1 Features
• 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 for automotive applications:
– Temperature Grade 1: –40°C to 125°C TA – 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.
TPA6404-Q1 Datasheet
