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BTS737S3 Datasheet Smart High-Side Power Switch

Manufacturer: Infineon Technologies AG

Datasheet Details

Part number BTS737S3
Manufacturer Infineon Technologies AG
File Size 294.48 KB
Description Smart High-Side Power Switch
Datasheet download datasheet BTS737S3 Datasheet

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 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 Improved electromagnetic compatibility (EMC) CMOS compatible input Stable behaviour at undervoltage Wide operating voltage range Protection Functions • • • • • • • • Short circuit protection Overload protection Current limitation Thermal shutdown Reverse battery protection with external resistor Overvoltage protection with external resistor (incl.

load dump) Loss of ground protection Electrostatic discharge protection (ESD) Block Diagram Vbb IN1 IS1 IS2 IN2 Load 2 IN3 IS3 IS4 IN4 Logic Channel 3 Channel 4 Logic Channel 1 Channel 2 Load 1 Diagnostic Function • Proportional load current sense (with defined fault signal during thermal shutdown and current limit) Load 3 GND Load 4 Infineon technologies 1 of 15 2004-Feb-19 Datasheet BTS737S3 Functional diagram overvoltage protection internal voltage IN1 logic gate control + charge pump current limit VBB clamp for inductive load OUT1 ESD IS1 temperature sensor Proportional sense current LOAD .

Overview

Datasheet BTS737S3 Smart High-Side Power Switch Four Channels: 4 x 35mΩ Advanced Current Sense Product Summary Operating Voltage Vbb(on) Active channels one On-state Resistance RON 35mΩ Nominal load current IL(NOM) 5.4A Current limitation IL(SCr) 40A 5.0 ...40V four parallel 9mΩ 11.

Key Features

  • test - specified by design) Sense current saturati.