Smart Two Channel Highside Power Switch
PROFET® BTS 733 L1
Smart Two Channel Highside Power Switch
Features
• Overload protection • Current limitation • Short-...
Description
PROFET® BTS 733 L1
Smart Two Channel Highside Power Switch
Features
Overload protection Current limitation Short-circuit protection Thermal shutdown Overvoltage protection (including load dump) 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 protection Electrostatic discharge (ESD) protection
Product Summary Overvoltage Protection Operating voltage active channels: On-state resistance RON Nominal load current IL(NOM) Current limitation IL(SCr)
Vbb(AZ) Vbb(on) one 40 4.8 21
43 V 5.0 ... 24 V two parallel 20 mΩ 7.3 A 21 A
Application
µC compatible power switch with diagnostic feedback for 12 V DC grounded loads Most suitable for resistive and lamp loads Replaces electromechanical relays, fuses 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. Fully protected by embedded protection functions.
Pin Definitions and Functions Pin 1,10, 11,12, 15,16, 19,20 3 7 17,18 13,14 4 8 2 6 5,9 Symbol Function Positive power supply voltage. Design the Vbb wiring for the simultaneous max. short circuit currents from channel 1 to 2 and also for low thermal resistance IN1 Input 1,2, activates channel 1,2 in case of IN2 logic high signal OUT1...
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