Datasheet

TAS5414A, TAS5424A

www.ti.com

SLOS535C –MAY 2009– REVISED APRIL 2011

Table 6. Fault Register 2 (0x01) Protection (continued)

D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION

– – – – – 1 – – Overcurrent shutdown channel 3 has occurred

– – – – 1 – – – Overcurrent shutdown channel 4 has occurred

– – – 1 – – – – DC offset channel 1 has occurred

– – 1 – – – – – DC offset channel 2 has occurred

– 1 – – – – – – DC offset channel 3 has occurred

1 – – – – – – – DC offset channel 4 has occurred

Table 7. Diagnostic Register 1 (0x02) Load Diagnostics

D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION

0 0 0 0 0 0 0 0 No load-diagnostic-created faults, default value

– – – – – – – 1 Output short to ground channel 1 has occurred

– – – – – – 1 – Output short to PVDD channel 1 has occurred

– – – – – 1 – – Shorted load channel 1 has occurred

– – – – 1 – – – Open load channel 1 has occurred

– – – 1 – – – – Output short to ground channel 2 has occurred

– – 1 – – – – – Output short to PVDD channel 2 has occurred

– 1 – – – – – – Shorted load channel 2 has occurred

1 – – – – – – – Open load channel 2 has occurred

Table 8. Diagnostic Register 2 (0x03) Load Diagnostics

D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION

0 0 0 0 0 0 0 0 No load-diagnostic-created faults, default value

– – – – – – – 1 Output short to ground channel 3 has occurred

– – – – – – 1 – Output short to PVDD channel 3 has occurred

– – – – – 1 – – Shorted load channel 3 has occurred

– – – – 1 – – – Open load channel 3 has occurred

– – – 1 – – – – Output short to ground channel 4 has occurred

– – 1 – – – – – Output short to PVDD channel 4 has occurred

– 1 – – – – – – Shorted load channel 4 has occurred

1 – – – – – – – Open load channel 4 has occurred

Table 9. External Status Register 1 (0x04) Fault Detection

D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION

0 0 0 0 0 0 0 0 No protection-created faults are present, default value

– – – – – – – 1 PVDD overvoltage fault is present

– – – – – – 1 – PVDD undervoltage fault is present

– – – – – 1 – – AVDD, analog voltage fault is present

– – – – 1 – – – Charge-pump voltage fault is present

– – – 1 – – – – Overtemperature shutdown is present

– – 1 – – – – – Overtemperature warning

– 1 1 – – – – – Overtemperature warning level 1

1 0 1 – – – – – Overtemperature warning level 2

1 1 1 – – – – – Overtemperature warning level 3