Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown)
PROFET® BTS 432 I2
Smart Highside Power Switch
Features
• Load dump and reverse battery protection1) VLoad dump • Clamp...
Description
PROFET® BTS 432 I2
Smart Highside Power Switch
Features
Load dump and reverse battery protection1) VLoad dump Clamp of negative voltage at output Vbb-VOUT Avalanche Short-circuit protection Vbb (operation) Current limitation Vbb (reverse) Thermal shutdown RON Diagnostic feedback IL(SCp) Open load detection in OFF-state IL(SCr) CMOS compatible input IL(ISO) Electrostatic discharge (ESD) protection Loss of ground and loss of Vbb protection2) Overvoltage protection Undervoltage and overvoltage shutdown with auto-restart and hysteresis
Product Summary
80 Clamp 58 4.5 ... 42 -32 38 42 33 11
V V V V mΩ A A A
5
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 + Vbb
3
Voltage source
Overvoltage protection
Current limit
Gate protection
OUT
V Logic
Voltage sensor Charge pump Level shifter Rectifier Open load ESD Logic detection Limit for unclamped ind. loads
2
IN
Temperature sensor
5
Load
4
ST
Short circuit detection
GND
® PROFET
Load GND
1
Signal GND
1) 2)
No external components required, reverse load current limited by connected load....
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