TLI4970-D050T4 Coreless magnetic current sensor for AC and DC measurements TLI4970-D050T4 About this document Scope and purpose This datasheet gives an overview of the features, functionalities, specification and interfaces of the Infineon TLI4970-D050T4 current sensor, a high precision miniature coreless magnetic current sensor for AC and DC measurements with digital interface and fast overcurrent detection, as well as information about available package size and ordering. Intended audience This datasheet is primarily intended for Current Sensor Module Developers who wish to gain information about the characteristics of the Infineon TLI4970-D050T4 current sensor. Datasheet Please read the Important Notice and Warnings at the end of this document Revision 1.2 www.infineon.com 2019-03-19TLI4970-D050T4 Coreless magnetic current sensor for AC and DC measurements Table of contents Table of contents About this document . 1 Table of contents . 2 List of tables . 4 List of figures .5 1 Product Description 6 1.1 Overview . 6 1.2 Features 6 1.3 General Information . 7 1.4 Target Applications 7 2 Functional Description 8 2.1 Pin Configuration 8 2.2 Block Diagram 9 2.3 Functional Description . 9 2.4 Transfer Function .10 2.5 Filter Settings 11 2.6 Increased Temperature Range . 13 3 Specification 14 3.1 Absolute Maximum Ratings 14 3.2 Operating Conditions . 14 3.3 Fast Over Current Output 17 3.4 Application Circuit 18 3.5 Isolation Characteristics .19 3.6 CSA Component Acceptance .20 3.6.1 Board Description for CSA Component Acceptance Test Conditions 20 4 Interfaces . 22 4.1 SPI Interface Definition 22 4.1.1 Logical Interface 22 4.1.1.1 Protocol Description 22 4.1.1.2 Description of the SPI Data Frames . 22 4.1.1.2.1 General structure of the 16-bit SPI data frame .22 4.1.1.3 Sensor Current Message .23 4.1.1.3.1 Structure of the Sensor Value Message . 23 4.1.1.4 Sensor Status Message 23 4.1.1.4.1 Structure of the Sensor Status Message 23 4.1.2 Physical SPI Interface . 24 4.2 Serial Inspection and Configuration Interface (SICI) 26 5 Package .27 Datasheet 2 Revision 1.2 2019-03-19