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BTS412B2 Datasheet(PDF) 4 Page - Infineon Technologies AG

Part No. BTS412B2
Description  Smart Highside Power Switch
Download  14 Pages
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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BTS 412B2
Parameter and Conditions
Symbol
Values
Unit
at
Tj = 25 °C, Vbb = 12 V unless otherwise specified
min
typ
max
Semiconductor Group
4
Protection Functions
Initial peak short circuit current limit (pin 3 to 5)9),
( max 450
µs if VON > VON(SC) )
IL(SCp)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
9
--
4
--
12
--
23
--
15
A
Overload shutdown current limit
IL(SCr)
VON= 8 V, Tj = Tjt (see timing diagrams, page 10)
--
5
--
A
Short circuit shutdown delay after input pos. slope
VON > VON(SC),
Tj =-40..+150°C:
min value valid only, if input "low" time exceeds 60
µs
td(SC)
--
--
450
µs
Output clamp (inductive load switch off)
at
VOUT = Vbb - VON(CL) IL= 40 mA, Tj =-40..+150°C: VON(CL)
61
68
73
V
IL= 1 A, Tj =-40..+150°C:
--
--
75
Short circuit shutdown detection voltage
(pin 3 to 5)
VON(SC)
--
8.5
--
V
Thermal overload trip temperature
Tjt
150
--
--
°C
Thermal hysteresis
∆T
jt
--
10
--
K
Reverse battery (pin 3 to 1) 10)
-
Vbb
--
--
32
V
Diagnostic Characteristics
Open load detection current
Tj=-40...+150°C:
(included in standby current
Ibb(off))
IL(off)
15
30
60
µA
Open load detection voltage
Tj=-40..150°C: VOUT(OL)
234
V
9
)
Short circuit current limit for max. duration of td(SC) max=450 µs, prior to shutdown
10
) 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 7).




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