Datasheet

VPOSx
Load State
ok
open
OL/SGx latched
fault state
tos (off)
2.5V
14V
OPEN CIRCUIT FAULT - OCCURS WHILE OFF THEN OPEN LOAD / SHORT TO GROUN
D
TEST IS PERFORMED
CSB
MOSI
MISO
OL/S Gx
fault state
dVPOS/dt
G.C.
cmd
G.C.
response
OLSG=0
G.C.
cmd
G.C.
response
OLSG=1
G.C.
response
OLSG=1
G.C.
response
OLSG=0
G.C.
response
OLSG=1
tos (off) tos (off)
The L at che d Fa ult S ta te is s am ple d and s to red in th e S P I tra ns mit re gister a t t he point s m arke d wit h “ “ .
G.C.
cmd
FT=1
G.C.
cmd
FT=1
G.C.
cmd
FT=1
TLE 7241E
Functional Description and Electrical Characteristics
Data Sheet 27 Rev. 1.1, 2009-01-19
Figure 12 Open Load - Fault Type Bit = 1 Test
dV
POS
dt
-----------------
i
SG
i
Rrecirc
–()–
C
POS
C
NEG
C
OUT
++()
-----------------------------------------------------------=
(2)
i
SG
= short to ground detection pull up current (5.4.3.2)
i
Rrecirc
= reverse leakage current of recirculation diode
C
POS
= external capacitance on the POS pin
C
NEG
= external capacitance of the NEG pin
C
OUT
= external capacitance on the OUT pin