sp000203741 Infineon Technologies Corporation, sp000203741 Datasheet - Page 19

• Manufacturer Part Number: sp000203741
• Description: Smart High-side Power Switch Profet Two Channels, 140 M ?
• 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 (
Figure 14
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
4000
3500
3000
2500
2000
1500
1000
500
Section 4.3.4
for details. Usually a resistor
ON-State Diagnosis
0
Truth Table (cont’d)
Current Sense Ratio
V
bb
(Position 4.3.6).
0.5
Input
Level
k
(ON-State)
ILIS
=
H
I
L
1)
/
k
R
I
1
ILIS
IS
IS
) depends on the temperature. Please refer to
R
1)
> 500 Ω. A typical value is 4.7 kΩ
Output Level
IS
19
is connected to the current sense pin. It is
~GND
<
I
~
L
V
V
V
Z
/A
V
bb
bb
bb
bb
Smart High-Side Power Switch
1.5
V
V
V
I
I
IS
IS
IS
IS
IS
SEN = H
=
<
=
=
=
Diagnostic Output
I
I
V
V
V
Z
L
L
2
IS(fault)
IS(fault)
IS(fault)
/
/
k
k
T
ILIS
ILIS
T
j
j
= 150°C
= -40°C
dummy
dummy
V1.0, 2005-12-19
BTS 5231GS
SEN = L
Diagnosis
2.5
Z
Z
Z
Z
Z
Z