Smart Sense High-Side Power Switch
PROFET® BTS 640 S2
Smart Sense High-Side Power Switch
Features
• Short circuit protection • Current limitation • Propo...
Description
PROFET® BTS 640 S2
Smart Sense High-Side Power Switch
Features
Short circuit protection Current limitation Proportional load current sense CMOS compatible input Package Open drain diagnostic output Fast demagnetization of inductive loads TO220-7-11 Undervoltage and overvoltage shutdown with auto-restart and hysteresis Overload protection Thermal shutdown 1 Standard (staggered) Overvoltage protection including load dump (with external GND-resistor) Reverse battery protection (with external GND-resistor) Loss of ground and loss of Vbb protection Electrostatic discharge (ESD) protection
Product Summary Operating voltage On-state resistance Load current (ISO) Current limitation
Vbb(on) RON IL(ISO) IL(SCr)
5.0 ... 34 V 30 mΩ 12.6 A 24 A
TO220-7-12
TO263-7-2
1 SMD
1 Straight
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, proportional sense of load current, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions.
Block Diagram
4
+ V bb
Voltage source V Logic Voltage sensor
Overvoltage protection
Current limit
Gate protection
OUT
6, 7
IL
Charge pump Level shifter Rectifier
Limit for unclamped ind. ...
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