TLE8209-2 Datasheet, PDF (22/41 Pages) Infineon Technologies AG – SPI Programmable H-Bridge

Table 3 Open Load Detection in H-Bridge Mode
VOUT1 OUT1_L VOUT2 OUT2_L Diagnostic
< V_{ref_L} H
< V_{ref_L} H
> V_{ref_L} L
> V_{ref_L} L
< V_{ref_L} H
> V_{ref_L} L
< V_{ref_L} H
> V_{ref_L} L
Load o.k.
Load o.k.
Open Load
Load o.k.
Open Load Detection in Single Switch Mode
VDD
V_{ref_H}
V_{ref_M}
VDD
V_{ref_M}
V _{ref_L}
-
+
TLE8209-2
Protection and Monitoring
Comment
pull down current is stronger
transient area
transient area
V _{ref_H}
V_{ref_L}
OUTx
+
OUTx_ H
-
OUTx_L
+
-
Figure 14 Open Load Detection in Single Switch Mode
Table 4 Open Load Detection in Single Switch Mode
VOUTx (OFF State)
OUTx_H
OUTx_L
Diagnostic
V_OUTx < V_{ref_L}
L
H
o.k.
V_{ref_L} <V_OUTx < V_{ref_H}
L
L
Open Load
V_OUTx > V_{ref_H}
H
L
o.k.
Comment
Load to ground
Output open
Load to V_S
Data Sheet
22
Rev. 1.4, 2014-10-28