BTS840S2NT Infineon Technologies, BTS840S2NT Datasheet - Page 12
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BTS840S2NT
Manufacturer Part Number
BTS840S2NT
Description
Manufacturer
Infineon Technologies
Datasheet
1.BTS840S2NT.pdf
(15 pages)
Specifications of BTS840S2NT
Switch Type
High Side
Power Switch Family
BTS840
Input Voltage
-10 to 16V
Power Switch On Resistance
14mOhm
Output Current
22A
Number Of Outputs
Dual
Mounting
Surface Mount
Supply Current
1.2mA
Package Type
DSO
Operating Temperature (min)
-40C
Operating Temperature (max)
150C
Operating Temperature Classification
Automotive
Pin Count
20
Power Dissipation
3.8W
Lead Free Status / Rohs Status
Not Compliant
Figure 2c: Switching a lamp with current limit:
Figure 2d: Switching an inductive load
*) if the time constant of load is too large, open-load-status may
occur
Infineon technologies
IN
ST
ST
IN
V
V
I
I IS
I
L
OUT
OUT
L
I
L(OL)
t
t
12
Figure 3a: Turn on into short circuit:
shut down by overtemperature, restart by cooling
Heating up of the chip may require several milliseconds, depending
on external conditions
Figure 3b: Turn on into short circuit:
shut down by overtemperature, restart by cooling
(two parallel switched channels 1 and 2)
ST1 and ST2 have to be configured as a 'Wired OR' function
ST1/2 with a single pull-up resistor.
IN1
I
ST 1/2
ST 1
IN1/2
I
S 1= IS 2 = 0
L1
IS 1 = 0
L1
+ I
2xI L(lim)
L2
t
I
t
off(SC)
off(SC)
L(lim)
other channel: normal operation
I
L(SCr)
BTS 840 S2
2003-Oct-01
I
L(SCr)
t
t