DatasheetsPDF.com

BTS734L1 Dataheets PDF



Part Number BTS734L1
Manufacturers Siemens Semiconductor Group
Logo Siemens Semiconductor Group
Description Smart Two Channel Highside Power Switch
Datasheet BTS734L1 DatasheetBTS734L1 Datasheet (PDF)

PROFET® BTS 734 L1 Smart Two Channel 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 protection • Electrostatic .

  BTS734L1   BTS734L1



Document
PROFET® BTS 734 L1 Smart Two Channel 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 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 19 43 V 5.0 ... 34 V two parallel 20 mΩ 7.3 A 19 A Application • µC compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads • All types of resistive, inductive and capacitive 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 Output 1,2, protected high-side power output OUT2 of channel 1,2. Design the wiring for the max. short circuit current ST1 Diagnostic feedback 1,2 of channel 1,2, ST2 open drain, low on failure GND1 Ground 1 of chip 1 (channel 1) GND2 Ground 2 of chip 2 (channel 2) N.C. Not Connected Pin configuration (top view) Vbb GND1 IN1 ST1 N.C. GND2 IN2 ST2 N.C. Vbb 1 2 3 4 5 6 7 8 9 10 • 20 19 18 17 16 15 14 13 12 11 Vbb Vbb OUT1 OUT1 Vbb Vbb OUT2 OUT2 Vbb Vbb 1) With external current limit (e.g. resistor RGND=150 Ω) in GND connection, resistor in series with ST connection, reverse load current limited by connected load. Semiconductor Group 1 10.96 BTS 734 L1 Block diagram Two Channels; Open Load detection in on state; + Vbb Leadframe Voltage source Overvoltage Current protection limit Gate protection OUT1 17,18 VLogic Voltage sensor Charge pump Level shifter Rectifier ESD Logic Limit for unclamped ind. loads Temperature sensor Open load ST1 3 4 1 Signal GND Chip 1 IN1 Load detection R O1 GND1 Chip 1 GND1 Load GND + Vbb Leadframe OUT2 13,14 Logic and protection circuit of chip 2 (equivalent to chip 1) 7 8 6 Signal GND Chip 2 IN2 Load ST2 R O2 GND2 Chip 2 PROFET ® GND2 Load GND Leadframe connected to pin 1, 10, 11, 12, 15, 16, 19, 20 Maximum Ratings at Tj = 25°C unless otherwise specified Parameter Supply voltage (overvoltage protection see page 4) Supply voltage for full short circuit prot.


BTS733L1 BTS734L1 BTS736L2


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)