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STGAP1AS 数据表(PDF) 61 Page - STMicroelectronics

部件名 STGAP1AS
功能描述  Automotive galvanically isolated advanced single gate driver
PDF  70 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STGAP1AS 数据表(HTML) 61 Page - STMicroelectronics

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STGAP1AS
Programming manual
70
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 48.
A description of the STATUS1 register bits is provided in Table 49.
Table 48. 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 49. 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 VL 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)
UVLOH returns low 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)
UVLOL returns low 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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