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IRPS5401 PMIC: Programming Guide, Datasheet, Pinout [FAQ]

Author: Irene
Date: 12 Oct 2021
 38
LTM4622 Applications

Product Overview

The IRPS5401 is a complete power management unit delivering up to 5 output voltages to processors, FPGA’s and other multi-rail power systems. Four high efficiency configurable switching regulators and a source/sink linear regulator provide the typical rails required such as core voltage, memory voltage and I/O voltages.

 

This blog will introduce IRPS5401 systematically from its features, pinout to its specifications, applications, also including IRPS5401 datasheet and so much more.

 

Catalog

Product Overview

IRPS5401 Features

IRPS5401 Pinout

IRPS5401 Applications

IRPS5401 Application Circuit

IRPS5401 Block Diagram

IRPS5401 Specification

How does IRPS5401 work

IRPS5401 Programming Guide and Datasheet

IRPS5401 Manufacturer

Using Warnings

IRPS5401 FAQ

 

IRPS5401 Features

  • Full power system including 5 integrated outputs
  • 4A, 4A, 2A and 2A Switching Regulators
  • 500mA Source/Sink Linear regulator
  • Single rail operation 5.5V to 12V
  • Output Range from 0.25V to 5.1V for outputs A-D and 0.5V to 3.6V for LDO
  • Allows combining outputs and/or the use of an external IR MOSFET™ Power Stage to increaseoutput

         current to as high as 50A

  • Emulated current mode control without external compensation
  • Differential voltage sensing on Switcher A for higher accuracy
  • I2C / PMBus with integrated level shifter
  • Advanced Sequencing control
  • Extensive PMBus command set of 74 commands
  • Integrated current sensing and full telemetry including voltage, current, temperature and faults
  • Rated for -40°C to +125°C TJ operation
  • Pb-Free, RoHS6, 7x7mm, 56-pin, 0.4mm pitch QFN

 

IRPS5401 Pinout

The following figure is the diagram of IRPS5401 pinout.

 

IRPS5401 Pinout

IRPS5401 Pinout

 

IRPS5401 Applications

  • High density ASIC, FPGA & CPU multi-rail systems
  • Embedded Computing systems
  • Communications and Storage systems

 

IRPS5401 Application Circuit

The following is the application circuit diagram of IRPS5401.

 

IRPS5401 Application Circuit Diagram

IRPS5401 Application Circuit Diagram

 

IRPS5401 Block Diagram

The following figure shows the block diagram of IRPS5401

 

IRPS5401 Block Diagram

IRPS5401 Block Diagram

 

IRPS5401 Specification

Parametrics IRPS5401M
Family PMIC
Features (Sync) x
Iout   max 50.0 A
Input Voltage   max 14.0 V
Language SPICE
Output Voltage   min  max 0.25 V   5.1 V
Product Category DC-DC Power Conversion
Qualification Industrial
Switching Frequency   max 2000.0 kHz
Technology Current Mode
Type

Multiple Output - 5 Outputs

How does IRPS5401 work

The IRPS5401 can operate with an internal bias supply (LDO), typically 5.0V. This allows operation with a single supply by connecting the input of the LDO (VSUPPLY) to the bus voltage (Vin_x). A 1uF capacitor should be used at the VSUPPLY pin for decoupling purposes. The output of this LDO is brought out at the Vcc pin and must be bypassed to the analog ground (pin 50) with a 1.0uF decoupling capacitor. An additional voltage, VDRV, required by the internal driver circuitry is derived by using a 2 ohm-1uF filter from the Vcc pin to the VDRV pin. Note that the 1uF at the VDRV pin must be bypassed to the system power ground (pin 57). The Vcc pin may also be connected to the VSUPPLY pin, and an external Vcc supply between 4.5V and 5.5V may be used, allowing for an extended operating bus voltage (Vin_x) range from 1.2V to 14V.

 

The device utilizes the on-resistance of the low side MOSFET (synchronous MOSFET) as the current sense element. This method enhances the converter’s efficiency and reduces cost by eliminating the need for external current sense resistors.

 

IRPS5401 Programming Guide and Datasheet

You can download this datasheet for IRPS5401Programming Guide & Datasheet from the link given below:

 

IRPS5401 Programming Guide

IRPS5401 Datasheet

 

IRPS5401 Manufacturer

Infineon Technologies makes semiconductors, microcontrollers, sensors, switches, and other devices that manage power, energy, security, and other functions in cars, phone, appliances, and machinery. The company's products are No. 1 or 2 in their markets for automotive, industrial power control, power management, and digital security applications. Automotive is Infineon's biggest market, accounting for about 45% of sales. Customers include Bosch, Bombardier, Gemalto, and Osram.

 

Using Warnings

Note: Please check their parameters and pin configuration before replacing them in your circuit.

 

IRPS5401 FAQ

What is PMIC used for?

A power management integrated circuit (PMIC) is used to manage power on an electronic devices or in modules on devices that may have a range of voltages. The PMIC manages battery power charging and sleep modes, DC-to-DC conversion, scaling of voltages down or up, among others.

 

What does PMIC stand for in IC category?

A PMIC can refer to any chip that is an individual power related function, but generally refer to ICs that incorporate more than one function such as different power conversions and power controls such as voltage supervision and undervoltage protection.

 

What is the purpose of the irps5401 switcher?

Integrated, accurate current, voltage and temperature sensing allows telemetry and fault reporting through the I2C/PMBus. The IRPS5401 switching regulators utilize fixed frequency emulated current mode control, and thus no external compensation is required. The IRPS5401 is highly flexible. Switchers A and B deliver 2A each.

 

What kind of rails can the irps5401 be used for?

The IRPS5401 is designed for single rail operation ranging from 5V to 12V. It has one 500mA LDO output, and four configurable switching regulator outputs, two at 2A, and two at 4A. The outputs of the IRPS5401 can be used to provide the typical rails required for core, memory, and I/O voltages.

 

What kind of amplifier does a PMIC use?

Some models feature a low-dropout regulator (LDO), and a real-time clock (RTC) co-operating with a backup battery. A PMIC can use pulse-frequency modulation (PFM) and pulse-width modulation (PWM). It can use switching amplifier (Class-D electronic amplifier).

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
IRPS5401MTRPBF IRPS5401MTRPBF Company:Infineon Technologies Remark:POL - SUPIRBUCK Package:56-PowerVFQFN
DataSheet
In Stock:On Order
Inquiry
Price:
3000+: $4.14025
6000+: $4.07401
15000+: $3.97464
Inquiry

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