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BTS621L1 Datasheet(PDF) 5 Page - Siemens Semiconductor Group

Part No. BTS621L1
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/
Logo SIEMENS - Siemens Semiconductor Group

BTS621L1 Datasheet(HTML) 5 Page - Siemens Semiconductor Group

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BTS 621 L1
Parameter and Conditions, each channel
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 (pin 4 to 1
or 7)
IL(SCp)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
11
9
5
18
14
8
25
22
14
A
Repetitive short circuit shutdown current limit
IL(SCr)
Tj = Tjt (see timing diagrams, page 11)
--
8
--
A
Output clamp (inductive load switch off)
at
VOUT = Vbb - VON(CL) IL= 40 mA, Tj =-40..+150°C: VON(CL)
41
47
53
V
Thermal overload trip temperature
Tjt
150
--
--
°C
Thermal hysteresis
∆T
jt
--
10
--
K
Reverse battery (pin 4 to 2) 9)
-
Vbb
--
--
32
V
Reverse battery voltage drop (Vout > Vbb)
IL = -2.9 A, each channel
Tj=150 °C: -VON(rev)
--
610
--
mV
Diagnostic Characteristics
Open load detection current
Tj=-40 °C:
(on-condition)
Tj=25 ..150°C:
IL (OL)
20
20
--
--
400
300
mA
Open load detection voltage10) (off-condition)
Tj=-40..150°C:
VOUT(OL)
234
V
Internal output pull down
(pin 1 or 7 to 2),
VOUT=5 V, Tj=-40..150°C
RO
41030
k
9
)
Requires 150
Ω resistor in GND connection. The reverse load current through the intrinsic drain-source
diode has to be limited by the connected load. Note that the power dissipation is higher compared to normal
operating conditions due to the voltage drop across the intrinsic 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 2 and circuit page 8).
10) External pull up resistor required for open load detection in off state.


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