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BTS725L1 Datasheet(PDF) 1 Page - Siemens Semiconductor Group

Part No. BTS725L1
Description  Smart Two Channel Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
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BTS725L1 Datasheet(HTML) 1 Page - Siemens Semiconductor Group

 
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PROFET® Preliminary BTS 725 L1
Semiconductor Group
1
03.96
Smart Two Channel Highside Power Switch
Features
• Overload protection
• Current limitation
• Short-circuit protection
• Thermal shutdown
• Overvoltage protection
(including load dump)
• Reverse battery protection1)
• Undervoltage and overvoltage shutdown
with auto-restart and hysteresis
• Open drain diagnostic output
• Open load detection in ON-state
• CMOS compatible input
• Loss of ground and loss of V
bb protection
• Electrostatic discharge (ESD) protection
Application
• µC compatible power switch with diagnostic feedback
for 12 V DC grounded loads
• Most suitable for resistive and lamp loads
• Replaces electromechanical relays and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, monolithically integrated in Smart SIPMOS® technology. Fully protected by embedded protection
functions.
Pin Definitions and Functions
Pin
Symbol
Function
1,10,
11,12,
15,16,
19,20
Vbb
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
3
IN1
Input 1,2, activates channel 1,2 in case of
7
IN2
logic high signal
17,18
OUT1
Output 1,2, protected high-side power output
13,14
OUT2
of channel 1,2. Design the wiring for the max.
short circuit current
4
ST1
Diagnostic feedback 1,2 of channel 1,2,
8
ST2
open drain, low on failure
2
GND1
Ground 1 of chip 1 (channel 1)
6
GND2
Ground 2 of chip 2 (channel 2)
5,9
N.C.
Not Connected
1
)
With external current limit (e.g. resistor RGND=150 Ω) in GND connection, resistor in series with ST
connection, reverse load current limited by connected load.
Product Summary
Overvoltage Protection
Vbb(AZ)
43
V
Operating voltage
Vbb(on)
5.0 ... 24
V
active channels:
one
two parallel
On-state resistance
RON
60
30
m
Nominal load current
IL(NOM)
4.0
6.0
A
Current limitation
IL(SCr)
17
17
A
Pin configuration (top view)
Vbb 1
20 Vbb
GND1 2
19 Vbb
IN1 3
18 OUT1
ST1 4
17 OUT1
N.C. 5
16 Vbb
GND2 6
15 Vbb
IN2 7
14 OUT2
ST2 8
13 OUT2
N.C. 9
12 Vbb
Vbb 10
11 Vbb


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