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 prot...
Description
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 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 protection2) Electrostatic discharge (ESD) protection
Product Summary Overvoltage protection Operating voltage On-state resistance Load current (ISO) Current limitation
Vbb(AZ) Vbb(on) RON IL(ISO) IL(SCr)
63 V 4.5 ... 42 V 18 mΩ 21 A 70 A
TO-220AB/5
5
5
5
Standard
1 Straight leads
1
SMD
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
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.
R bb
+ V bb
3
Voltage source
Overvoltage protection
Current limit
Gate protection
V Logic
Voltage sensor Charge pump Level shifter Rectifier Open load ESD Logic detection Limit for unclamped ind. loads
OUT
2
IN
Temperature sensor
5
Load
4
ST
Short circuit detection
GND...
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