Datasheet4U Logo Datasheet4U.com

BTS728L2 Datasheet Smart High-side Power Switch

Manufacturer: Infineon

Overview: PROFET® BTS 728 L2 Smart High-Side Power Switch Two Channels: 2 x 60mΩ Status Feedback Product Summary Operating Voltage Vbb(on) Active channels On-state Resistance RON Nominal load current IL(NOM) Current limitation IL(SCr) 4.75...41V one two parallel 60mΩ 30mΩ 4.0A 6.

General Description

• • N channel vertical power MOSFET with charge pump, ground referenced CMOS patible input and  diagnostic feedback, monolithically integrated in Smart SIPMOS technology.

Providing embedded protective functions Applications • • • • µC patible high-side power switch with diagnostic feedback for 5V, 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 patible input Improved electromagnetic patibility (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 Logic Channel 1 Logic Channel 2 PROFET GND OUT 1 Load 1 OUT 2 Load 2 IN2 ST2 Diagnostic Function • • • Diagnostic feedback with open drain output Open load detection in ON-state Feedback of thermal shutdown in ON-state Semiconductor Group 1 of 14 2003-Oct-01 BTS 728 L2 Functional diagram overvoltage protection internal voltage supply logic gate control + charge pump current limit VBB clamp for inductive load OUT1 IN1 ESD ST1 GND1 temperature sensor Open load detection LOAD Channel 1 IN2 ST2 GND2 Control and protection circu

Key Features

  • ct-01 BTS 728 L2 Truth Table Ch.

BTS728L2 Distributor