PROFET® BTS426L1
Smart 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 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
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)
TO-220AB/5
43
V
5.0 ... 34 V
60 mΩ
7.0
A
16
A
5
5
1
Straight leads
1
5
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
Application
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
Voltage
source
V
Logic
Voltage
sensor
3
Overvoltage
protection
Current
limit
Gate
protection
OUT
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Open load
Short to Vbb
detection
2
IN
Temperature
sensor
5
ESD
Logic
Load
4
ST
R
O
GND
PROFET
Load GND
GND
1
Signal 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.
Semiconductor Group
1 of 14
2003-Oct-01
INFINEON [ INFINEON TECHNOLOGIES AG ]
