bts5236-2ek Infineon Technologies Corporation, bts5236-2ek Datasheet - Page 18

• Manufacturer Part Number: bts5236-2ek
• Description: Smart High-side Power Switch Profet
• Manufacturer: Infineon Technologies Corporation

4.3
For diagnosis purpose, the BTS5236-2EKA provides an Enhanced IntelliSense signal at
pins IS1 and IS2. This means in detail, the current sense signal
to the load current (ratio
Table
Figure 13
Table 1
Operation Mode
Normal Operation (OFF)
Short Circuit to GND
Over Temperature
Short Circuit to
Open Load
Datasheet
µC
R
R
lim
lim
1) occurs. In case of a failure mode, the voltage
R
IS1
R
Diagnosis
IS2
Block Diagram: Diagnosis
Truth Table
IN1
IS1
SEN
IN2
IS2
V
bb
R
R
R
SEN
IN1
IN2
GND
k
1)
ILIS
Level
Input
0
1
0
1
=
channel 1
channel 2
L
I
L
/
I
IS
0
1
gate control
), is provided as long as no failure mode (see
gate control
diagnosis
latch
V
IS(fault)
18
VBB
<
>
Output
Level
V
V
GND
GND
over temperature
V
open load @ off
OUT(OL)
OUT(OL)
Z
bb
over load
Smart High-Side Power Switch
V
I
I
IS1
IS2
IS(fault)
V
V
IS
IS
SEN = H
S
V
=
=
is fed to the diagnosis pin.
OL
OUT(OL)
Diagnostic Output
Z
Z
Z
V
Z
V
I
IS
IS(fault)
IS(fault)
, a proportional signal
Rev. 1.0, 2008-11-26
BTS5236-2EKA
OUT1
OUT2
SEN = L
Z
Z
Z
Z
Z
Z
Sense.emf
R
load
OL