Datasheet

BTS441RG
Data sheet 8 Rev. 1.21, 2012-12-06
Parameter and Conditions Symbol Values Unit
at T
j
=-40...+150°C, V
bb
= 12 V unless otherwise specified
min typ max
Diagnostic Characteristics
Open load detection voltage
14)
V
OUT(OL) 1
2 3 4 V
Input and Status Feedback
15)
Input resistance
see circuit page 7 R
I
2.5 3.8 6.5 kΩ
Input turn-on threshold voltage V
IN(T+)
1.2 -- 2.2 V
Input turn-off threshold voltage V
IN(T-)
0.8 -- -- V
Input threshold hysteresis Δ V
IN(T)
-- 0.3 -- V
Off state input current (pin 2) V
IN
= 0.4 V: I
IN(off)
1 -- 15 μA
On state input current (pin 2) V
IN
= 5 V: I
IN(on)
4.5 12 24 μA
Delay time for status with open load after switch
off (see timing diagrams, page 11),
t
ST delay
-- -- 500 μs
Status output (open drain)
Zener limit voltage I
ST
= +1.6 mA:
ST low voltage I
ST
= +1.6 mA::
V
ST(high)
V
ST(low)
5.4
--
6.1
--
--
0.4
V
Truth Table
IN OUT ST
Normal operation L
H
L
H
H
H
Open load L
H
Z
H
L
16)
H
Short circuit to V
bb
L
H
H
H
L
H
Overtemperature L
H
L
L
H
L
L = "Low" Level Z = high impedance, potential depends on external circuit
H = "High" Level Status signal valid after the time delay shown in the timing diagrams
14)
External pull up resistor required for open load detection in off state
15)
If a ground resistor R
GND
is used, add the voltage drop across this resistor.
16)
L, if potential at the Output exceeds the OpenLoad detection voltage