bts5235l Infineon Technologies Corporation, bts5235l Datasheet - Page 20

• Manufacturer Part Number: bts5235l
• Description: Smart High-side Power Switch
• Manufacturer: Infineon Technologies Corporation

Table 1
Operation Mode
Normal Operation (ON)
Current Limitation
Short Circuit to GND
Over Temperature
Short Circuit to
Open Load
1) L = Low Level, H = High Level, Z = high impedance, potential depends on leakage currents and external circuit
4.3.1
The standard diagnosis signal is a current sense signal proportional to the load current.
The accuracy of the ratio (
following
pin. It is recommended to use sense resistors
Figure 14
1) The curves show the behavior based on characterization data. The marked points are guaranteed in this Data
Data Sheet
Sheet in
8000
7000
6000
5000
4000
3000
2000
1000
Figure 14
Section 4.3.4
0
ON-State Diagnosis
Truth Table
Current sense ratio
V
bb
0.5
for details. Usually a resistor
(Position 4.3.6).
1)
k
ILIS
1
(cont’d)
Level
Input
=
H
I
L
k
1.5
/
ILIS
I
IS
1)
) depends on the temperature. Please refer to
20
Output
~GND
2
Level
<
I
R
~
L
V
V
V
IS
/A
V
Z
bb
bb
bb
bb
R
> 500 Ω. A typical value is 4.7 kΩ.
Smart High-Side Power Switch
IS
2.5
is connected to the current sense
V
V
V
I
I
IS
IS
IS
IS
IS
SEN = H
=
<
=
=
=
Diagnostic Output
3
I
I
V
V
V
Z
L
L
IS(fault)
IS(fault)
IS(fault)
/
/
k
k
T
ILIS
ILIS
T
j
j
= 150°C
= -40°C
dummy
dummy
3.5
V1.0, 2005-12-19
BTS 5235L
SEN = L
Diagnosis
Z
Z
Z
Z
Z
Z
4