BTS442E2 Datasheet, PDF (1/13 Pages) Siemens Semiconductor Group – Smart Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)

PROFET® BTS 442 E2
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}
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)
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}2)
• _{Electrostatic discharge (ESD) protection}
TO-220AB/5
5
Standard
5
1
Straight leads
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 and discrete circuits}
63 V
4.5 ... 42 V
18 mΩ
21 A
70 A
5
1
SMD
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS® chip on chip technology. Fully protected by embedded protection
functions.
2 ^IN
Voltage
source
V _Logic
Voltage
sensor
ESD
4 ST
Logic
R _bb
Overvoltage Current
Gate
protection
limit protection
+ Vbb ₃
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Open load
detection
OUT
5
Temperature
sensor
Load
Short circuit
detection
GND
1
Signal GND
PROFET^®
Load GND
1) _{No external components required, reverse load current limited by connected load.}
2) _{Additional external diode required for charged inductive loads}
Semiconductor Group
1
04.96