7.1 Overview
The TPA3110D2-Q1 is AEC-Q100 qualified with a temperature grade 1 (-40°C to 125°C), HBM ESD classification level H2, and CDM ESD classification level C2. This automotive audio amplifier also features several protection mechanisms as follows:
- DC Current Detection
- The TPA3110D2-Q1 protects speakers from DC current by reporting a fault on the FAULT pin and turning the amplifier outputs to a Hi-Z state when a DC current is detected. The PVCC supply must be cycled to clear this fault.
- Short-Circuit Protection and Automatic Recovery
- The TPA3110D2-Q1 has short circuit protection from the output pins to VCC, GND, or to each other. If a short circuit is detected, it will be reported on the FAULT pin and the amplifier outputs will be switched to a Hi-Z state. The fault can be cleared by cycling the SD pin.
- Thermal Protection
- When the die temperature exceeds 150°C (±15°C) the device enters the shutdown state and the amplifier outputs are disabled. The TPA3110D2-Q1 recovers automatically when the temperature decreases by 15°C