TDF8553J - I2C-bus controlled 4 X 50 Watt power amplifier and multiple voltage regulator
1.1 Amplifiers The TDF8553 has a complementary quad audio power amplifier that uses BCDMOS technology.
It contains four amplifiers configured in Bridge Tied Load (BTL) to drive speakers for front and rear left and right channels.
The I2C-bus allows diagnostic information of each amplifier and its speaker
TDF8553J Features
* I Amplifiers N I2C-bus control N Can drive a 2 Ω load with a battery voltage of up to 16 V and a 4 Ω load with a battery voltage of up to 18 V N DC load detection, open, short and present N AC load (tweeter) detection N Programmable clip detect; 1 % or 4 % N Programmable thermal protection pre-warnin