STGAP1S datasheet(61/67 Pages) STMICROELECTRONICS

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STGAP1S

Programming manual

9.2.10

DIAG1 and DIAG2 registers (low voltage side)

The DIAG1 register has the structure of Table 55.

The DIAG2 register has the structure of Table 56.

If a bit in the DIAG1 register is high, the corresponding fault events turn on the open drain

connected to the DIAG1 pin forcing the output low.

If a bit in the DIAG2 register is high and the DIAG_EN bit is high, the corresponding fault

events turn on the open drain connected to the DIAG2 pin forcing the output low.

Table 54. Check mode

Bit

Check mode

RCHK

SENSE resistor

SNSCHK

SENSE comparator

DESCHK

DESAT comparator

GONCHK

GON to gate path

GOFFCHK

GOFF to gate path

Table 55. DIAG1 register

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

DIAG1_7

DIAG1_6

DIAG1_5

DIAG1_4

DIAG1_3

DIAG1_2

DIAG1_1 DIAG1_0

Default/reset

10110

Table 56. DIAG2 register

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

DIAG2_7

DIAG2_6

DIAG2_5

DIAG2_4

DIAG2_3

DIAG2_2

DIAG2_1

DIAG2_0

Default/reset

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