BTS621L1E3128A Infineon Technologies AG, BTS621L1E3128A Datasheet - Page 9

• Manufacturer Part Number: BTS621L1E3128A
• Description: Smart Two Channel Highside Power Switch
• Manufacturer: Infineon Technologies AG

GND disconnect with GND pull up
Any kind of load. If V
Due to V
V
load
Normal load current can be handled by the PROFET
itself.
V
inductive load
If other external inductive loads L are connected to the PROFET,
additional elements like D are necessary.
Semiconductor Group
bb
bb
V
V
V
bb
high
bb
bb
disconnect with energized inductive
disconnect with charged external
GND
high
V
>0, no V
IN1
3
6
5
V
IN2
IN2
ST
IN1
V
3
3
6
5
6
5
GND >
ST
ST
IN2
ST
IN2
ST
IN1
IN1
= low signal available.
PROFET
GND
V
4
2
V
IN
bb
PROFET
PROFET
- V
GND
GND
4
4
2
2
V
V
IN(T+)
bb
bb
OUT2
OUT1
V
GND
device stays off
OUT2
OUT2
OUT1
OUT1
1
7
1
1
7
7
D
9
Inductive Load switch-off energy
dissipation
Energy stored in load inductance:
While demagnetizing load inductance, the energy
dissipated in PROFET is
with an approximate solution for R
Maximum allowable load inductance for
a single switch off
L = f (I
L [mH]
V
=
bb
10000
1000
E
= 12 V, R
100
AS
10
L
1
E
); T
=
bb
3
E
2
I
AS
L
·
j,start
·
R
= E
L
L
L
·
= 0
(
V
bb
= 150°C,T
IN
ST
bb
+ E
5
+ |V
E
PROFET ® BTS621L1
L
PROFET
L
OUT(CL)
- E
GND
(both channels parallel)
=
V
bb
1 /
C
R
= V
2
= 150°C const.,
·
L
|)
7
·
I
·
OUT
2
L
ON(CL)
ln
L
(1+
E AS
Z L
0 :
·
{
i
|V
2003-Oct-01
L
(t) dt,
9
R L
OUT(CL)
L
I
L
·
R
L
E
I L [A]
E
| )
E Load
R
L
11