Application information

TS2012FC

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Figure 40.

Ferrite chip bead placement

In the case where the distance between the TS2012 output and the speaker terminals is too

long, it is possible to have low frequency EMI issues due to the fact that the typical operating

frequency is 280 kHz. In this configuration, it is necessary to use the output filter

represented in Figure 1 on page 5 as close as possible to the TS2012.

4.10

Short-circuit protection

The TS2012 includes output short-circuit protection. This protection prevents the device

from being damaged in case of fault conditions on the amplifier outputs.

When a channel is in operating mode and a short-circuit occurs between two outputs of the

channel or between an output and ground, the short-circuit protection detects this situation

and puts the appropriate channel into standby. To put the channel back into operating mode,

is needed to put standby pin of the channel to logical LO and after again to logical HI and

wake-up the channel.

4.11

Thermal shutdown

The TS2012 device has an internal thermal shutdown protection in the event of extreme

temperatures to protect the device from overheating. Thermal shutdown is active when the

device reaches 150°C. When the temperature decreases to safe levels, the circuit switches

back to normal operation.

to speaker

about 100pF

gnd

Ferrite chip bead

From output