2004-03-16
Page 1
BSP 742 RI
Smart Power High-Side-Switch
Product Summary
Overvoltage protection V
bb(AZ)
41 V
Operating voltage V
bb(on)
5...34 V
On-state resistance R
ON
350 mΩ
Nominal load current I
L(nom)
0.4 A
Features
• Overload protection
• Current limitation
• Short circuit protection
• Thermal shutdown with restart
• Overvoltage protection (including load dump)
• Fast demagnetization of inductive loads
• Reverse battery protection with external resistor
• Open drain diagnostic output
• CMOS compatible input
• Loss of GND and loss of V
bb
protection
• ESD - Protection
• Very low standby current
Application
• All types of resistive, inductive and capacitive loads
• µC compatible power switch for 12 V and 24 V DC applications
• 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.
Providing embedded protective functions.