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Infineon Technologies AG |
Smart High-Side Power Switch
BTS740S2
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Data Sheet
1 V1.0, 2007-05-13
Smart High-Side Power Switch
BTS740S2
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Channel 1
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Control and protection circuit
of
channel 2
287
PROFET
Pin Definitions and Functions
Pin
1,10,
11,12,
15,16,
19,20
3
7
17,18
13,14
4
8
2
6
5
9
Symbol
Vbb
IN1
IN2
OUT1
OUT2
ST1
ST2
GND1
GND2
IS1
IS2
Function
Positive power supply voltage. Design the
wiring for the simultaneous max. short circuit
currents from channel 1 to 2 and also for low
thermal resistance
Input 1,2, activates channel 1,2 in case of
logic high signal
Output 1,2, protected high-side power output
of channel 1,2. Both pins of each output have
to be connected in parallel for operation
according ths spec (e.g. kilis). Design the wiring
for the max. short circuit current
Diagnostic feedback 1,2 of channel 1,2,
open drain, invers to input level
Ground 1 of chip 1 (channel 1)
Ground 2 of chip 2 (channel 2)
Sense current output 1,2; proportional to the
load current, zero in the case of current
limitation of the load current
Data Sheet
2
Pin configuration
(top view)
Vbb
GND1
IN1
ST1
IS1
GND2
IN2
ST2
IS2
Vbb
1•
2
3
4
5
6
7
8
9
10
20 Vbb
19 Vbb
18 OUT1
17 OUT1
16 Vbb
15 Vbb
14 OUT2
13 OUT2
12 Vbb
11 Vbb
V1.0, 2007-05-13
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