TLE7244SL Infineon

Datasheet, Rev. 1.3, October 2011 SPIDER - TLE7244SL 8 Channel Protected Low-Side Relay Switch Automotive Power SPI Driver for Enhanced Relay Control SPIDER - TLE7244SL 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 3.3 Voltage and Current naming definition . 8 4 General Product Characteristics 9 4.1 Absolute Maximum Ratings . 9 4.2 Functional Range 10 4.3 Thermal Resistance 10 5 Input and Power Stages 11 5.1 Power Supply . 11 5.1.1 Limp Home Mode 11 5.2 Input Circuit . 11 5.2.1 Inductive Output Clamp 12 5.2.2 Timing Diagrams . 13 5.3 Input and Power Stages Characteristics . 14 6 Protection Functions 16 6.1 Over Load Protection . 16 6.2 Over Temperature Protection . 16 6.3 Reverse Polarity Protection 16 6.4 Protection Characteristics 17 7 Diagnosis Features 18 7.1 Diagnosis Characteristics 18 8 Serial Peripheral Interface (SPI) . 19 8.1 SPI Signal Description 19 8.2 Daisy Chain Capability 20 8.3 SPI Protocol 21 8.3.1 Timing Diagrams . 22 8.4 SPI Characteristics . 23 9 Application Information 25 10 Package Outlines . 26 11 Revision History 27 Datasheet 2 Rev. 1.3, 2011-10-21