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Hardware Overview
1.4
TPA3251D2EVM Clip Overtemperature and Fault Indicators
The TPA3251D2EVM is equipped with LED indicators that illuminate when the FAULT and/or CLIP_OTW
pin goes low. See
and the TPA3251D2 data sheet (
) for more details.
Table 2. Fault and Clip Overtemperature Status
FAULT
CLIP_OTW
Description
Overtemperature (OTE) or overload (OLP) or undervoltage (UVP). Junction temperature higher
0
0
than 125°C (overtemperature warning).
Overload (OLP) or undervoltage (UVP). Junction temperature higher than 125°C (overtemperature
0
0
warning).
0
1
Overload (OLP) or undervoltage (UVP). Junction temperature lower than 125°C.
1
0
Junction temperature higher than 125°C (overtemperature warning)
1
1
Junction temperature lower than 125°C and no OLP or UVP faults (normal operation)
4
TPA3251D2EVM
SLVUAG8A – September 2015 – Revised October 2015
Copyright © 2015, Texas Instruments Incorporated