Introduction - Infineon IRPS5401 User Manual

5 Output PMIC Controller/ IRPS5401
User guide with DB295 and DB296 demo boards
1

Introduction

This document will describe the operation of the IRPS5401 PMIC. This document will also cover the details of
the DB295 (available as EVAL_PS5401-25 for 25A power stage and EVAL_PS5401-40 for 40A power stage) and
DB296 (available as EVAL_PS5401-INT) IRPS5401 demo boards. IRPS5401 is a 56 pin, 7x7 mm PMIC. It has 4
switching outputs and 1 LDO output. SW-A and SW-B have a max rated current of 2 A. SW-A can be configured
to drive an external power-stage. SW-C and SW-D have a max rating of 4 A. The LDO has a max rating of 0.5 A
and can be configured as source only mode or sink-source (tracking) mode.
Figure 1 Pinout diagram
For more information see:

IRPS5401; Data Sheet

UN0049; Description of PMBus commands in IRPS5401

UN0065; List of and functional description of I2C Registers (Customer RegMap)

TB0035; Programming Guide for IRPS5401
Application Note 3 of 63 V 1.2
2018-12-12