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Hardware Overview

5

SLOU441 – July 2016

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TPA3255EVM

2.4

TPA3255EVM Clip Overtemperature and Fault Indicators

The TPA3255EVM is equipped with LED indicators that illuminate when the FAULT and/or CLIP_OTW pin

goes low. See Table 2 and (SLASEA8) for more details.

Table 2. Fault and Clip Overtemperature Status

FAULT

CLIP_OTW

Description

0

0

Overtemperature (OTE) or overload (OLP) or undervoltage (UVP). Junction temperature higher

than 125°C (overtemperature warning).

0

0

Overload (OLP) or undervoltage (UVP). Junction temperature higher than 125°C (overtemperature

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)