BTS6144BNT Infineon Technologies, BTS6144BNT Datasheet - Page 11

• Manufacturer Part Number: BTS6144BNT
• Manufacturer: Infineon Technologies

Specifications of BTS6144BNT

• Switch Type: High Side
• Power Switch Family: BTS6144
• Power Switch On Resistance: 9mOhm
• Output Current: 9.5A
• Number Of Outputs: 4
• Mounting: Surface Mount
• Package Type: TO-220 SMD
• Operating Temperature (min): -40C
• Operating Temperature (max): 150C
• Operating Temperature Classification: Automotive
• Pin Count: 7 +Tab
• Power Dissipation: 81W
• Lead Free Status / Rohs Status: Compliant

Short circuit detection
Fault Condition: V
(typ.650 µs).
Overload detection
Fault Condition: V
Short circuit
Short circuit is a combination of primary and
secondary impedance’s and a resistance’s.
A
resistance for full protection at given secondary
inductance and supply voltage for single short circuit
event :
Infineon Technologies AG
llowable combinations of minimum, secondary
[uH]
15
10
5
5uH
10mOhm
0
V bb
L SC
Logic
0
unit
I
IN
V
bb
:
100
16V
ON
ON
IN
> V
> 1 V typ.
18V
detection
circuit
PROFET
ON(SC)
24V
IS
V
200
bb
(3.5 V typ.) and t> t
SC
30V
OUT
300
L SC
R SC
O U T
+ V bb
[mOhm]
V
Z
R SC
O N
L
d(SC)
11 of 16
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 L
Maximum allowable load inductance for
a single switch off
L = f (I L ); T j,start = 150°C, V bb = 12 V, R L = 0
L [m H ]
1 0 0 0
0 ,0 1
1 0 0
E
0 ,1
V bb
1 0
AS
1
=
E
E
I
1
IN
bb
2
AS
I
L
·
R
·
= E
L
L
(
V
bb
bb
IN
Data sheet BTS 6144B/P
+ E
+ |V
E
L
L
PROFET
- E
OUT(CL)
=
IS
V
1 /
R
bb
2
= V
1 0
·
R IS
L
|)
·
ON(CL)
I
OUT
2
L
ln
(1+
I_ L [A ]
E AS
Z L
0 :
·
|V
{
i
L
i (t)
2003-Oct-01
L
(t) dt,
OUT(CL)
R L
I
L
L
·
R
1 0 0
L
E
E
|
E Load
)
R
L