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BTS426L1 Datasheet(PDF) 2 Page - Infineon Technologies AG

Part No. BTS426L1
Description  Smart Highside Power Switch
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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 2 page
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BTS426L1
Semiconductor Group
2
2003-Oct-01
Pin
Symbol
Function
1
GND
-
Logic ground
2
IN
I
Input, activates the power switch in case of logical high signal
3
Vbb
+
Positive power supply voltage,
the tab is shorted to this pin
4
ST
S
Diagnostic feedback, low on failure
5
OUT
(Load, L)
O
Output to the load
Maximum Ratings at Tj = 25 °C unless otherwise specified
Parameter
Symbol
Values
Unit
Supply voltage (overvoltage protection see page 3)
Vbb
43
V
Supply voltage for full short circuit protection
Tj Start=-40 ...+150°C
Vbb
34
V
Load dump protection2) VLoadDump = UA + Vs, UA = 13.5 V
RI3)= 2
Ω, RL= 1.7 Ω, td= 200 ms, IN= low or high
VLoad dump4)
60
V
Load current (Short circuit current, see page 4)
IL
self-limited
A
Operating temperature range
Storage temperature range
Tj
Tstg
-40 ...+150
-55 ...+150
°C
Power dissipation (DC), TC
≤ 25 °C
Ptot
75
W
Inductive load switch-off energy dissipation, single pulse
Vbb =12V, Tj,start =150°C, TC =150°C const.
IL = 7.0 A, ZL = 24 mH, 0 Ω:
EAS
0.74
J
Electrostatic discharge capability (ESD)
IN:
(Human Body Model)
all other pins:
acc. MIL-STD883D, method 3015.7 and ESD assn. std. S5.1-1993
VESD
1.0
2.0
kV
Input voltage (DC)
VIN
-10 ... +16
V
Current through input pin (DC)
Current through status pin (DC)
see internal circuit diagrams page 6
IIN
IST
±2.0
±5.0
mA
Thermal Characteristics
Parameter and Conditions
Symbol
Values
Unit
min
typ
max
Thermal resistance
chip - case:
junction - ambient (free air):
RthJC
RthJA
--
--
--
--
1.67
75
K/W
SMD version, device on PCB5):
34
2
)
Supply voltages higher than Vbb(AZ) require an external current limit for the GND and status pins, e.g. with a 150 Ω resistor in the
GND connection and a 15 k
Ω resistor in series with the status pin. A resistor for the protection of the input is integrated.
3)
RI = internal resistance of the load dump test pulse generator
4)
VLoad dump is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839
5
)
Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm
2 (one layer, 70
µm thick) copper area for Vbb connection. PCB is vertical
without blown air.




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