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.
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. Switchers C and D, deliver 4A each and can also be combined to deliver 8A. Further, Switcher A can be configured to use an external powIRstage to deliver up to 50A or more.
Full power system including 5 integrated outputs
4A, 4A, 2A and 2A Switching Regulators
500mA Source/Sink Linear regulator
Single rail operation 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 PowIRstage to increase output 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