Smart High-Side Power Switch
BTS740S2
P-DSO-20-9
Ω Ω
PG-DSO20
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Data Sheet 1 V1.0, 2007-05-13
Smart High-Side Power Switch
BTS740S2
Channel 1
Control and protection circuit
of
channel 2
PROFET
Pin Definitions and Functions Pin configuration
Pin Symbol Function
(top view)
1,10, Vbb Positive power supply voltage. Design the
11,12, wiring for the simultaneous max. short circuit
15,16, currents from channel 1 to 2 and also for low
Vbb 1 • 20 Vbb
19,20 thermal resistance GND1 2 19 Vbb
3 IN1 Input 1,2, activates channel 1,2 in case of IN1 3 18 OUT1
7 IN2 logic high signal ST1 4 17 OUT1
17,18 OUT1 Output 1,2, protected high-side power output IS1 5 16 Vbb
13,14 OUT2 of channel 1,2. Both pins of each output have GND2 6 15 Vbb
to be connected in parallel for operation IN2 7 14 OUT2
according ths spec (e.g. kilis). Design the wiring ST2 8 13 OUT2
for the max. short circuit current IS2 9 12 Vbb
4 ST1 Diagnostic feedback 1,2 of channel 1,2, Vbb 10 11 Vbb
8 ST2 open drain, invers to input level
2 GND1 Ground 1 of chip 1 (channel 1)
6 GND2 Ground 2 of chip 2 (channel 2)
5 IS1 Sense current output 1,2; proportional to the
9 IS2 load current, zero in the case of current
limitation of the load current
Data Sheet 2 V1.0, 2007-05-13
