BTS409L1
Smart Highside Power Switch
•
Overload protection
•
Current limitation
•
Short circuit protection
•
Thermal shutdown
•
Overvoltage protection (including load dump)
•
Fast demagnetization of inductive loads
•
Reverse battery protection
1)
•
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
Features
Product Summary
Overvoltage protection
Operating voltage
On-state resistance
Load current (ISO)
Current limitation
V
bb(AZ)
V
bb(on)
R
ON
I
L(ISO)
I
L(SCr)
43
V
5.0 ... 34 V
200 mΩ
2.3
A
4
A
TO-220AB/5
5
1
Straight leads
5
1
5
Application
Standard
SMD
• 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. Providing embedded protective functions.
+ V bb
3
Voltag
source
V
Logic
Voltag
sensor
Overvoltag
protectio
Curren
limit
Gate
protectio
OUT
Charge
Level
f
Rectifier
Limit for
unclampe
ind.
Open
Short to
detectio
2
IN
Temperatur
sensor
5
ESD
Logic
Load
R
4
ST
O
GND
PROFET
GND
1
Signal GND
Load GND
1
)
With external current limit (e.g. resistor R
GND
=150
Ω)
in GND connection, resistor in series with ST
connection, reverse load current limited by connected load.
Infineon Technologies AG
1
2003-Oct-01
INFINEON [ INFINEON TECHNOLOGIES AG ]
