TDF8546
Description
The TDF8546 is one of a new generation of plementary quad Bridge-Tied Load (BTL) audio power amplifiers intended for automotive applications.
Key Features
- Stop/start-car prepared: keeps operating without audible disturbance during engine start at a battery voltage as low as 6 V
- New best efficiency mode with patented low switching distortion
- Operates in either legacy (non-I2C-bus) or I2C-bus modes (3.3 V and 5 V pliant)
- Four hardware-programmable I2C-bus addresses
- Can drive 2 and 4 loads
- Speaker fault detection
- Start-up diagnostics with load detection: open, short, present; filtered for door-slam and chatter relays
- AC load (tweeter) detection with low and high current mode
- Gain select after start-up without audible disturbance
- Independent selectable soft mute of front and rear channels
