BTS50015-1TAA Infineon Technologies, BTS50015-1TAA Datasheet - Page 24

• Manufacturer Part Number: BTS50015-1TAA
• Manufacturer: Infineon Technologies

Specifications of BTS50015-1TAA

• Packages: PG-TO263-7
• Channels: 1.0
• Ron @ Tj = 25°c: 1.5 mOhm
• Recommended Operating Voltage Min.: 5.5 V
• Recommended Operating Voltage Max.: 28.0 V
• Il(sc): 135.0 A

5.4
For diagnosis purposes, the BTS50015-1TAA provides a combination of digital and analog signal at pin IS.
5.4.1
The BTS50015-1TAA provides an enhanced current sense signal called I
mode occurs (short curcuit to GND / overcurrent / overtemperature) and the condition V
a proportional signal to the load current (ratio k
mechanism is described in
current. In case of failure, a fixed I
V
must be fulfilled.
Figure 23
5.4.2
Table 5
Operation mode
Normal operation
Short circuit to GND
Overtemperature
Short circuit to VS
Open Load
Inverse current
Normal operation
Overcurrent condition
Short circuit to GND
Overtemperature T
Short circuit to VS
Open Load
Inverse current
1) Z = High Impedance
2) See
Data Sheet
S
- V
OUT
Chapter 5.4.3
>
2V must be fulfilled. In order to get the fault current in the specified range, the condition V
Diagnostic Functions
IS Pin
Diagnostic Block Diagram
SENSE Signal in Different Operation Mode
Sense Signal, Function of Operation Mode
J(TRIP)
for Current Sense Range and Improved Current Sense Accuracy
event
IS
Figure
Input Level
LOW (OFF)
HIGH (ON)
IS(FAULT)
23. The accuracy of the sense current depends on temperature and load
Z
IS(AZ)
FAULT
is provided. In order to enable the fault current reporting, the condition
V
S
-V
&
OUT
ILIS
Output Level V
~ GND
GND
Z
V
Z
>
~
<
~ GND
Z
V
~
>
>2V
1
0
S
S
V
V
V
V
V
= I
S
S
S
S
S
24
L
I
IS(FAULT)
/ I
1)
S
) is provided. The complete IS pin and diagnostic
V
s
I
R
L
OUT
VS
/ ∆k
ILIS
IS
+ I
Diagnostic Output (IS)
I
Z
Z
Z
Z
Z
I
I
I
I
I
I
Z
IS(OFF)
IS
IS
IS(FAULT)
IS(FAULT)
IS
IS0
at pin IS. As long as no “hard” failure
IS(OFFSET)
= I
= I
= 0 ... I
L
L
/ k
/ k
L
ILIS
ILIS
/ k
+ I
+ I
Functional Description
IS
ILIS
IS(OFFSET)
IS(OFFSET)
Rev. 1.0, 2011-10-25
BTS50015-1TAA
+ I
V
OUT
IS(OFFSET)
2)
- 5V is fulfilled,
...I
S
IS(FAULT)
- V
IS
5V