Smart High-Side Power Switch
Smart High-Side Power Switch
PROFET® BTS409L1
Features
Overload protection Current limitation Short circuit prot...
Description
Smart High-Side Power Switch
PROFET® BTS409L1
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 Vbb protection Electrostatic discharge (ESD) protection Green Product (RoHS compliant) AEC Qualified
Product Summary Overvoltage protection Operating voltage On-state resistance Load current (ISO) Current limitation
Vbb(AZ) Vbb(on) RON IL(ISO) IL(SCr)
43 V 5.0 ... 34 V
200 m 2.3 A
4A
PG-TO263-5-2
Application
C 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.
2 IN
Voltage source
V Logic Voltage sensor
ESD 4 ST
Logic
Overvoltage protection
Current
Gate
limit protection
+ Vbb 3
Charge puLmevpel Rsehcifttifeier r
Limit for unclampe idnd. loads
Open load Short to Vbb
detection
OUT
Temperature
5
sensor
RO
Load
GND...
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