TLE8108EM Infineon

TLE 8108 EM Smart 8-Channel Low Side Relay Driver with SPI Interface coreFLEX TLE8108EM Data Sheet Rev. 1.0, 2011-03-23 Automotive Power TLE 8108 EM Smart 8-Channel Low Side Switch Table of Contents Table of Contents 1 Overview . 3 2 Block Diagram . 5 3 Pin Configuration 6 3.1 Pin Assignment . 6 3.2 Pin Definitions and Functions 6 4 General Product Characteristics 8 4.1 Absolute Maximum Ratings . 8 4.2 Thermal Resistance . 9 5 Electrical and functional Description of the Device . 10 5.1 Functional Description of Supply and Input Pins 10 5.1.1 Power Supply and Reset . 10 5.1.2 Switching Inputs IN1 to IN4 . 11 5.2 Power Outputs 12 5.2.1 Inductive Output Clamp 12 5.2.2 Timing Diagrams . 13 5.3 Electrical Characteristics 14 6 Protection Functions 16 6.1 Overload Protection 16 6.2 Overtemperature Protection 16 6.3 Reverse Polarity Protection 16 6.4 Protection Characteristics 17 7 Diagnosis Features 18 7.1 Diagnosis Characteristics 19 8 Serial Peripheral Interface (SPI) . 21 8.1 SPI Signal Description 21 8.2 Daisy Chain Capability 23 8.3 SPI Protocol 24 8.3.1 Timing Diagrams . 25 8.4 SPI Characteristics . 25 9 Application Information 27 10 Package Outlines . 28 11 Revision History 29 Data Sheet 2 Rev. 1.0, 2011-03-23