Application Note Please read the Important Notice and Warnings at the end of this document Rev. 1.30
www.infineon.com page 1 of 31 2022-03-01
Current Sensor TLI4971
Programming Guide and User Manual
About this document
This document describes how to program the TLI4971 with the Infineon proprietary one wire interface (SICI).
Timing of the serial inspection interface.
Command structure and commands for write/read and EEPROM access.
A description of the user changeable EEPROM section.
Details on the diagnosis mode.
For productive in circuit programming Infineon recommends to use a verified programmer which has been a
coproduction development between Infineon and CGS. For further documentation please refer to Sensor –
Programmer – CGS – Computer Gesteuerte Systeme GmbH (cgs-gruppe.de)
Further Infineon provides a programming board for laboratory usage.
Scope and purpose
TLI4971 Coreless Current Sensor Feature set, EEPROM and interface description.
Intended audience
Users who use the high variety of the TLI4971 current sensor by programming the functionality like full scale
or over current detection, operating modes etc. to their need.
Current Sensor Module Developers.
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