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BTS621L1 Datasheet(PDF) 1 Page - Siemens Semiconductor Group

Part No. BTS621L1
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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BTS621L1 Datasheet(HTML) 1 Page - Siemens Semiconductor Group

 
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PROFET® BTS 621 L1
Semiconductor Group
1
12.96
Smart Two Channel Highside Power Switch
Features
• Overload protection
• Current limitation
• Short circuit protection
• Thermal shutdown
• Overvoltage protection (including load dump)
• Fast demagnetization of inductive loads
• 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 and 24 V DC grounded loads
• All types of resistive, inductive and capacitve loads
• Replaces electromechanical relays, fuses 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.
+ V bb
IN1
ST
Signal GND
ESD
PROFET
®
OUT1
GND
Logic
Voltage
sensor
Voltage
source
Open load
detection 1
Short to Vbb
Level shifter
Temperature
sensor 1
Rectifier 1
Limit for
unclamped
ind. loads 1
Gate 1
protection
Current
limit 1
3
5
2
4
1
Load GND
Load
V Logic
Overvoltage
protection
OUT2
Open load
detection 2
Short to Vbb
Level shifter
Temperature
sensor 2
Rectifier 2
Limit for
unclamped
ind. loads 2
Gate 2
protection
Current
limit 2
7
IN2
6
GND
RR
O1
O2
Charge
pump 1
Charge
pump 2
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 ... 34
V
channels:
each
both
parallel
On-state resistance
RON
100
50 m
Load current (ISO)
IL(ISO)
4.4
8.5
A
Current limitation
IL(SCr)
88
A
TO-220AB/7
1
7
Standard
1
7
Straight leads
1
7
SMD


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