BTS 5012SDA Infineon Technologies, BTS 5012SDA Datasheet - Page 21

• Manufacturer Part Number: BTS 5012SDA
• Manufacturer: Infineon Technologies

Specifications of BTS 5012SDA

• Packages: PG-TO252-5
• Channels: 1.0
• Ron @ Tj = 25°c: 12.0 mOhm
• Recommended Operating Voltage Min.: 5.5 V
• Recommended Operating Voltage Max.: 20.0 V
• Il(sc): 65.0 A

7
For diagnosis purpose, the BTS5012SDA provides an IntelliSense signal at the pin IS.
The pin IS provides during normal operation a sense current, which is proportional to the load current as long as
V
the forward voltage drops below
The pin IS provides in case of any fault conditions a defined fault current
conditions are overcurrent (
The pin IS provides no current during open load in ON and de-energisation of inductive loads.
Figure 17
Table 1
1) H = “High” Level, L = “Low” Level, Z = high impedance, potential depends on external circuit
2) Low ohmic short to
The accuracy of the provided current sense ratio (
Figure 18
Datasheet
Parameter
Normal operation
Overload
Short circuit to GND
Overtemperature
Short circuit to
Open load
bIS
> 5V. The ratio of the output current is defined as
for details. A typical resistor
Diagnosis
Block Diagram: Diagnosis
Truth Table
V
bb
V
bb
may reduce the output current
V
Input Current Level
L
H
L
H
L
H
L
H
L
H
L
H
ON
1)
1)
> 1V typ.), current limit or overtemperature switch off.
V
ON
< 1V typ. The output sense current is limited to
R
IS
of 1 kΩ is recommended.
V
bb
I
IS
R
bb
k
I
L
ILIS
k
and therefore also the sense current
21
ILIS
I
=
Output Level
L
H
L
H
L
L
L
L
H
H
Z
H
IS(fault)
1)
=
I
L
I
/
L
I
/
IS
IS
I
) depends on the load current. Please refer to
IS
V
V
. During switch-on no current is provided, until
V
Z,IS
b,IS
IS
Smart High-Side Power Switch
R
IS
I
IS(fault)
I
as long as
Current Sense I
≈ 0 (
nominal
≈ 0 (
I
≈ 0 (
I
≈ 0 (
I
≈ 0 (
< nominal
≈ 0 (
≈ 0 (
IS(lim)
IS(fault)
IS(fault)
IS(fault)
I
IS
I
I
I
I
I
I
I
.
.
IS(LL)
IS(LL)
IS(LL)
IS(LL)
IS(LL)
IS(LL)
IS(LH)
Rev. 1.1, 2008-11-04
)
)
)
)
)
)
)
2)
BTS5012SDA
V
bIS
> 8V
Diagnosis
IS
Sense.emf
.
Fault