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STGAP1S Arkusz danych(PDF) 58 Page - STMicroelectronics

Numer części STGAP1S
Szczegółowy opis  gapDRIVE™: galvanically isolated single gate driver
PDF  67 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STGAP1S Arkusz danych(HTML) 58 Page - STMicroelectronics

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Programming manual
STGAP1S
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DocID027190 Rev 3
9.2.6
STATUS1 register (low voltage side)
The STATUS1 is a read only register that reports some device failure flags.
All flags are active high (the high value indicates a failure condition). The STATUS1 register
has the structure of Table 47.
A description of the STATUS1 register bits is provided in Table 48.
Table 47. STATUS1 register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
OVLOH
OVLOL
DESAT
SENSE
UVLOH
UVLOL
TSD
TWN
Default(1)
00
0
0
1
0
0
0
Reset
0
0
0
0
0
0
0
0
1. Default value of the local copy of the register. The value will be updated according to the actual information from the
isolated side. The default is forced at the device power-up, when the registers are reset all the flags are forced low (no
failures).
Table 48. STATUS1 register description
Name
Bit
Fault
Latched
Force
“safe state”
Note
OVLOH
7
VH overvoltage flag.
It is forced high when VH is over
OVVHoff threshold.
Always
Yes
OVLOL
6
VL overvoltage flag.
It is forced high when VH is over
OVVLoff threshold.
Always
Yes
DESAT
5
Desaturation flag.
It is forced high when DESAT pin
voltage reach VDESATth threshold.
Always
Yes
SENSE
4
Sense flag.
It is forced high when SENSE pin
voltage reach VSENSEth threshold.
Always
Yes
UVLOH
3
VH undervoltage flag.
It is forced high when VH is below
VHoff threshold.
When
UVLOlatch is
high only
Yes
If not latched (UVLOlatch low)
returns high when VH is over
VHon threshold.
UVLOL
2
VL undervoltage flag.
It is forced high when VL is over VLoff
threshold.
When
UVLOlatch is
high only
Yes
If not latched (UVLOlatch low)
returns high when VL is below
VLon threshold.
TSD
1
Thermal shutdown protection flag.
It is forced high when
overtemperature shutdown threshold
is reached.
No
(hysteresis)
Yes
TWN
0
Thermal warning flag.
It is forced high when
overtemperature shutdown threshold
is reached.
No
(hysteresis)
No



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