Datasheet

Data Sheet BTS50085-1TMB
Parameter and Conditions Symbol Values Unit
at Tj = -40 ... +150 °C, V
bb
= 24 V unless otherwise specified
min typ max
Infineon Technologies AG Page 5 2008-Jan-24
Protection Functions
16)
Short circuit current limit (Tab to pins 1,2,6,7)
V
ON
= 24 V, time until shutdown max. 300 µs T
c
=-40°C:
see page 8 and 13 T
c
=25°C:
T
c
=+150°C:
I
L(SC)
I
L(SC)
I
L(SC)
--
--
50
90
90
80
180
--
--
A
Short circuit shutdown delay after input current
positive slope, V
ON
> V
ON(SC)
17)
min. value valid only if input "off-signal" time exceeds 30 µs
t
d(SC)
80 -- 350 µs
Output clamp (inductive load switch off)
at V
OUT
= V
bb
- V
ON(CL)
(e.g. over voltage)
I
L
= 40 mA
V
ON(CL)
62 65 72 V
Short circuit shutdown detection voltage
17
)
(pin 4 to pins 1,2,6,7) V
ON(SC)
-- 6 -- V
Thermal overload trip temperature T
jt
150 -- -- °C
Thermal hysteresis ∆ T
jt
-- 10 -- K
Reverse Battery
Reverse battery voltage
18
)
-V
bb
-- -- 42 V
On-state resistance (Pins 1,2,6,7 to pin 4) T
j
= 25 °C:
V
bb
= -12V, V
IN
= 0, I
L
= - 20 A, R
IS
= 1 kΩ T
j
= 150 °C:
R
ON(rev)
--
8.8
--
10.5
20
mΩ
Integrated resistor in V
bb
line T
j
= 25 C:
T
j
=150°C:
R
bb
90
105
120
125
135
150
Ω
16
) Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not
designed for continuous repetitive operation.
17
)
not subject to production test, specified by design.
18
)
The reverse load current through the intrinsic drain-source diode has to be limited by the connected load (as
it is done with all polarity symmetric loads). Note that under off-conditions (I
IN
= I
IS
= 0) the power transistor
is not activated. This results in raised power dissipation due to the higher voltage drop across the intrinsic
drain-source diode. The temperature protection is not active during reverse current operation! To reduce the
power dissipation at the integrated R
bb
resistor an input resistor is recommended as described on page 9.