BTS4160DGA

D a t a S h e e t , R e v. 1 . 0 , M ar c h 2 00 8 B TS 41 60 DG A S m a rt H i g h - S i d e P o w e r S w i t c h A u to m o t i v e P o w e r BTS4160DGA 1 Overview 3 2 Block Diagram 5 3 3.1 3.2 3.3 Pin Configuration 6 Pin Assignment 6 Pin Definitions and Functions 6 Voltage and Current Definition 7 4 4.1 4.2 4.3 General Product Characteristics 8 Absolute Maximum Ratings 8 Functional Range 9 Thermal Resistance 9 5 5.1 5.2 5.3 5.3.1 5.4 Power Stage 10 Output ON-State Resistance 10 Turn ON / OFF Characteristics 10 Inductive Output Clamp 11 Maximum Load Inductance 12 Electrical Characteristics Power Stage 13 6 6.1 6.2 6.3 6.4 6.5 6.5.1 6.6 Protection Mechanisms 14 Loss of Ground Protection 14 Undervoltage Protection 14 Overvoltage Protection 14 Reverse Polarity Protection 15 Overload Protection 15 Current Limitation 15 Electrical Characteristics Protection Functions 17 7 7.1 7.2 7.2.1 7.2.2 7.3 Diagnostic Mechanism 18 ST 0/1 Pin 18 ST0/1 Signal in Case of Failures 18 Diagnostic in Open Load, Channel OFF 18 ST 0/1 Signal in case of Over Temperature 20 Electrical Characteristics Diagnostic Functions 20 8 8.1 8.2 Input Pins 22 Input Circuitry 22 Electrical Characteristics 22 9 9.1 Application Information 23 Further Application Information 23 10 Package Outlines 24 11 Revision History 25 Data Sheet 2 Rev. 1.0, 2008-03-18 Smart High-Side Power Switch BTS4160DGA Two Channel Device 1 Overview Basic Features • • • • • • • • • • Fit for 12V application Two Channel Device Very low Stand-by Current CMOS Compatible Inputs Electrostatic Discharge Protection (ESD) Optimized Electromagnetic Compatibility Logic ground independent from load ground Very low Leakage Current from OUT to the load in OFF state Green Product (RoHS compliant) AEC Qualified PG-DSO-14-37 Description The BTS4160DGA is a dual channel Smart High-Side Power Switch. It is embedded in a PG-DSO-14-37 package, providing protective functions and diagnostics. The power transistor is built by a N-channel power MOSFET with charge pump. The device is monolithically integrated in Smart technology. It is specially designed to drive relays as well as resistive loads in the harsh automotive environment. Table 1 Electrical Parameters (short form) Parameter Symbol Value Operating voltage range VSOP PBULB VS (AZ) RDS(ON) IL (nom) IL_SCR IS(off) -Vs(REV) 5.5V .... 20V Maximum load per channel Over voltage protection Max ON State resistance at Tj = 150°C per channel Nominal load current (one channel active) Minimum current limitation Standby current for the whole device with load Maximum reverse battery voltage 2 * R5W, relays or LED 43V 320mΩ 1.8A 6.5A 8µA 16V Diagnostic Feature • • • Open load in OFF Feedback of the thermal shutdown in ON state Diagnostic feedback with open drain output Type Package Marking BTS4160DGA PG-DSO-14-37 BTS4160DGA Data Sheet 3 Rev. 1.0, 2008-03-18 BTS4160DGA Overview Protection Functions • • • • • • • Short circuit protection Overload protection Current limitation Thermal shutdown Overvoltage protection (including load dump) with external resistor Loss of ground and loss of VS protection Electrostatic discharge protection (ESD) Application • All types of relays and resistive loads Data Sheet 4 Rev. 1.0, 2008-03-18 BTS4160DGA Block Diagram 2 Block Diagram Channel 0 VS voltage sensor internal power supply over temperature driver logic IN0 gate control & charge pump ESD protection T clamp for inductive load over current switch off OUT 0 open load detection ST 0 VS Channel 1 T IN1 Control and protection circuit equivalent to channel 0 ST 1 OUT 1 GND Figure 1 Data Sheet Block diagram .emf Block diagram for the BTS4160DGA 5 Rev. 1.0, 2008-03-18 BTS4160DGA Pin Configuration 3 Pin Configuration 3.1 Pin Assignment Vs 1 14 Vs GND 2 13 OUT0 IN0 3 12 OUT0 ST0 4 11 NC IN1 5 10 OUT1 ST1 6 9 OUT1 Vs 7 8 Vs Pinout SO14 full diag.vsd Figure 2 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol Function 2 GND Ground; Ground connection 3 IN0 Input channel 0 Input signal for channel 0. Activate the channel in case of logic high level 4 ST 0 Diagnostic feedback; Channel 0. Open drain 5 IN1 Input channel 1 Input signal for channel 1. Activate the channel in case of logic high level 6 ST 1 Diagnostic feedback; Channel 1. Open drain 9;10 OUT1 Output 1; Protected High side power output channel 11) 11 NC Not Connected 12;13 OUT0 Output 0; Protected High side power output channel 01) 1, 7, 8, 14 VS Battery voltage Design the wiring for the simultaneous max. short circuit currents from channel 0 and 1 and also for low thermal resistance 1) All output pins of a channel have to be connected together on the PCB. Data Sheet 6 Rev. 1.0, 2008-03-18 BTS4160DGA Pin Configuration 3.3 Voltage and Current Definition Figure 3 shows all terms used in this data sheet, with associated convention for positive values. IS VS VS IIN 0 V IN 0 VD S0 IIN 1 IN0 OUT0 IN1 OUT1 VD S1 IOU T0 IOU T1 VIN 1 IST0 VOU T0 ST 0 V OU T1 VST0 IST1 ST 1 V ST1 GND IGN D Voltage and current convention dual full diag.vsd Figure 3 Data Sheet Voltage and current definition 7 Rev. 1.0, 2008-03-18 BTS4160DGA General Product Characteristics 4 General Product Characteristics 4.1 Absolute Maximum Ratings Absolute Maximum Ratings 1) Tj = 25°C; (unless otherwise specified) Pos. Parameter Symbol Limit values Unit Conditions Min. Max. -0.3 43 V – 0 16 V – 0 20 V RECU = 20mΩ, RCable = 16mΩ/m, LCable = 1µH/m, Voltages 4.1.1 4.1.2 4.1.3 VS Reverse polarity Voltage - VS(REV) Supply voltage for short circuit protection Vbat(SC) Supply voltage l = 0 or 5m 2) see Chapter 6 Input pins 4.1.4 Voltage at INPUT pins 4.1.5 Current through INPUT pins VIN IIN -10 16 V – -0.3 0.3 mA – IST -5 5 mA – Status pin 4.1.6 Current through ST pin Power stage 4.1.7 Load current | IL | – IL(LIM) A – 4.1.8 Power dissipation (DC), all channel active PTOT – 0.9 W 4.1.9 Maximum Switchable inductance, single EAS pulse – 65 mJ TA = 85°C, Tj