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BTS733L1 Datasheet(PDF) 5 Page - Siemens Semiconductor Group

Part No. BTS733L1
Description  Smart Two Channel Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
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BTS733L1 Datasheet(HTML) 5 Page - Siemens Semiconductor Group

 
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BTS 733 L1
Parameter and Conditions, each of the two channels
Symbol
Values
Unit
at Tj = 25 °C,
Vbb = 12 V unless otherwise specified
min
typ
max
Semiconductor Group
5
Protection Functions
Initial peak short circuit current limit, (see timing
diagrams, page 11)
each channel, Tj =-40°C:
Tj =25°C:
Tj =+150°C:
IL(SCp)
52
42
23
65
53
31
75
63
43
A
two parallel channels
twice the current of one channel
Repetitive short circuit current limit,
Tj = Tjt
each channel
two parallel channels
(see timing diagrams, page 11)
IL(SCr)
--
--
21
21
--
--
A
Initial short circuit shutdown time
Tj,start =-40°C:
Tj,start = 25°C:
(see page 10 and timing diagrams on page 11)
toff(SC)
--
--
3
2.5
--
--
ms
Thermal overload trip temperature
Tjt
150
--
--
°C
Thermal hysteresis
∆T
jt
--
10
--
K
Reverse Battery
Reverse battery voltage 11)
-
Vbb
--
--
32
V
Drain-source diode voltage (Vout > Vbb)
IL = - 4.8 A, Tj = +150°C
-
VON
--
600
--
mV
Diagnostic Characteristics
Open load detection current, (on-condition)
each channel,
Tj = -40°C:
Tj = 25°C:
Tj = +150°C:
I L (OL)
4
100
100
100
--
--
--
1200
1000
1000
mA
two parallel channels
twice the current of one channel
Open load detection voltage12)
Tj =-40..+150°C: VOUT(OL)
234
V
Internal output pull down
(OUT to GND), VOUT = 5 V
Tj =-40..+150°C: RO
41030
k
11
) Requires a 150 Ω resistor in GND connection. The reverse load current through the intrinsic drain-source
diode has to be limited by the connected load. Power dissipation is higher compared to normal operating
conditions due to the voltage drop across the drain-source diode. The temperature protection is not active
during reverse current operation! Input and Status currents have to be limited (see max. ratings page 3 and
circuit page 8).
12) External pull up resistor required for open load detection in off state.


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