UM1693 Datasheet, PDF (139/196 Pages) STMicroelectronics – M0-7 standard high-side drivers hardware design guide

UM1693
MultiSense - analogue current sense
Figure 107. Open load/short to V_CC detection in OFF state - delay after SE_n is set from
low to high
VSEn
Pull up connected
VSENSE
OPEN LOAD Pull up disconnected
VSENSE
SHORT TO Vcc
tD OL V
VSENSEH
VSENSE = 0
VSENSEH
GAPG1128131000MS
Condition
Open load
Short to V_CC
Nominal
Table 26. MultiSense pin levels in off-state
Pull up
MultiSense
0
Yes
V_SENSEH
0
No
0
0
Yes
V_SENSEH
0
No
V_SENSEH
0
Yes
0
0
No
0
SE_n
L
H
L
H
L
H
L
H
L
H
L
H
Diagnostic summary
The table below summarizes all failure conditions, the V_SENSE signal behavior and
recommendations for diagnostics sampling.
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