BTS724G – Smart High-Side Power Switch Four Channel

Part Number : BTS724G

Function : Smart High-Side Power Switch Four Channels: 4 x 90m Status Feedback

Manufactures : Infineon Technologies AG

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BTS724G image

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Description :

BTS 724G Smart High-Side Power Switch Four Channels: 4 x 90mΩ Status Feedback Product Summary Operating Voltage Vbb Active channels On-state Resistance RON Nominal load current IL(NOM) Current limitation IL(SCr) 5.5…40V four parallel 22.5mΩ 7.3A 12A Package P-DSO-20 one 90mΩ 3.3A 12A General Description N channel vertical power MOSFET with charge pump, ground referenced CMOS compatible input and  diagnostic feedback, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions Applications µC compatible high-side power switch with diagnostic feedback for 12V and 24V grounded loads All types of resistive, inductive and capacitve loads Most suitable for loads with high inrush currents, so as lamps Replaces electromechanical relays, fuses and discrete circuits Basic Functions Very low standby current CMOS compatible input Improved electromagnetic compatibility (EMC) Fast demagnetization of inductive loads Stable behaviour at undervoltage Wide operating voltage range Logic ground independent from load ground Protection Functions Short circuit protection Overload protection Current limitation Thermal shutdown Overvoltage protection (including load dump) with external resistor Reverse battery protection with external resistor Loss of ground and loss of Vbb protection Electrostatic discharge protection (ESD) Block Diagram Vbb IN1 ST1/2 IN2 Logic Channel 1 Channel 2 Load 1 Load 2 Diagnostic Function Diagnostic feedback with open drain output Open load detection in OFF-state Feedback of thermal shutdown in ON-state IN3 ST3/4 IN4 Logic Channel 3 Channel 4 Load 3 GND Load 4 Infineon Technologies AG 1 of 14 2003-Oct-01 BTS 724G Functional diagram overvoltage protection internal voltage supply IN1 logic gate control + charge pump current limit VBB clamp for inductive load OUT1 ESD temperature sensor Open load detection reverse battery protection LOAD . ST1/2 channel 1 IN2 control and protection circuit of channel 2 OUT2 GND1/2 IN3 control and protection circuit of channel 3 OUT3 ST3/4 IN4 control and protection circuit of channel 4 OUT4 GND3/4 Infineon Technologies AG 2 of 14 2003-Oct-01 BTS 724G Pin Definitions and Functions Pin 1,10, 11,12, 15,16, 19,20 3 5 7 9 18 17 14 13 4 8 2 6 Symbol Function Vbb Positive power supply voltage. Design the wiring for the simultaneous max. short circuit currents from channel 1 to 2 and also for low thermal resistance IN1 Input 1,2,3,4 activates channel 1,2,3,4 in case of logic high signal IN2 IN3 IN4 OUT1 Output 1,2,3,4 protected high-side power output of channel 1,2,3,4. Design the wiring for the OUT2 max. short circuit current OUT3 OUT4 ST1/2 Diagnostic feedback 1/2,3/4 of channel 1,2,3,4 ST3/4 open drain, low on failure GND1/2 Ground of chip 1 (channel 1,2) GND3/4 Ground of chip 2 (channel 3,4) Pin configuration (top view) Vbb GND1/ […]

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BTS724G Datasheet

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