Datasheet

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PROTECTION MODE

LATCHED SHUTDOWN ON ALL ERRORS

MODE PINS SELECTION

TAS5121I

SLES122 – SEPTEMBER 2004

In latched shutdown mode, all error situations result in a permanent shutdown (output stage Hi-Z). Re-enabling

can be done by toggling the RESET pin.

The protection mode is selected by connecting M1/M2 to DREG or DGND according to Table 5 .

Table 5. Protection Mode Selection

M1 M2 PROTECTION MODE

0 0 Reserved

0 1 Latched shutdown on all errors

1 0 Reserved

1 1 Reserved

The output configuration mode is selected by connecting the M3 pin to DREG or DGND according to Table 6 .

Table 6. Output Mode Selection

M3 OUTPUT MODE

0 Bridge-tied load output stage (BTL)

1 Reserved