Overview
The IRPS5401M is a comprehensive power management unit developed by Infineon Technologies. This component is designed to deliver up to five output voltages, making it ideal for powering processors, FPGAs, and other multi-rail power systems. It integrates four high-efficiency configurable switching regulators and a source/sink linear regulator, providing the necessary voltage rails such as core voltage, memory voltage, and I/O voltages.
Key Specifications
| Parameter | Specification |
|---|---|
| Switching Regulators | 4A, 4A, 2A, and 2A |
| Linear Regulator | 500 mA source/sink |
| Input Voltage Range | 5 V to 12 V |
| Output Voltage Range | 0.25 V to 5.1 V for outputs A-D, 0.5 V to 3.6 V for LDO |
| Maximum Output Current | Up to 50 A with external power stage |
| Control Mode | Emulated current mode control without external compensation |
| Voltage Sensing | Differential voltage sensing on Switcher A |
| Communication Interface | I2C / PMBus with integrated level shifter |
| Sequencing Control | Advanced sequencing control |
| PMBus Commands | Extensive set of 74 commands |
| Telemetry and Faults | Integrated current sensing, voltage, current, temperature, and faults |
| Operating Temperature | -40°C to +125°C |
| Package | Pb-free, RoHS6, 7x7 mm, 56-pin, 0.4 mm pitch QFN |
Key Features
- Full power system including 5 integrated outputs
- Allows combining outputs and/or the use of an external power stage to increase output current
- Advanced sequencing control and extensive PMBus command set
- Integrated current sensing and full telemetry including voltage, current, temperature, and faults
- I2C / PMBus with integrated level shifter
- Differential voltage sensing on Switcher A for higher accuracy
- High flexibility with configurable switching regulators
Applications
- High density ASIC, FPGA & CPU multi-rail systems
- Embedded computing systems
- Communications and storage systems
Q & A
- What is the IRPS5401M used for? The IRPS5401M is used as a power management unit to deliver up to five output voltages for processors, FPGAs, and other multi-rail power systems.
- How many switching regulators does the IRPS5401M have? The IRPS5401M has four switching regulators with currents of 4A, 4A, 2A, and 2A.
- What is the input voltage range of the IRPS5401M? The input voltage range is from 5 V to 12 V.
- What is the maximum output current achievable with the IRPS5401M? The maximum output current can be up to 50 A when using an external power stage.
- Does the IRPS5401M support PMBus? Yes, it supports I2C / PMBus with an integrated level shifter and an extensive set of 74 commands.
- What kind of telemetry does the IRPS5401M provide? It provides integrated current sensing and full telemetry including voltage, current, temperature, and faults.
- What is the operating temperature range of the IRPS5401M? The operating temperature range is from -40°C to +125°C.
- What is the package type of the IRPS5401M? It is a Pb-free, RoHS6, 7x7 mm, 56-pin, 0.4 mm pitch QFN package.
- Can the outputs of the IRPS5401M be combined? Yes, the outputs can be combined and/or an external power stage can be used to increase the output current.
- Does the IRPS5401M require external compensation for its switching regulators? No, it utilizes emulated current mode control without external compensation.
