MP5416 2.8-5.5V Power Management IC

MP5416 2.8-5.5V Power Management IC

The MP5416 is a complete power management solution that integrates four high-efficiency, step-down, DC/DC converters, five low-dropout regulators, and a flexible logic interface.

Key Specifications

Features

• Five Low-Dropout Regulators o One RTC Dedicate LDO o Four Low Noise LDOs o Two Separate Input Power Supplies o 100mV Dropout at 300mA Load

Typical Application Circuit

Applications

• Cable Modems, Set-Top Boxes
• Televisions
• MID, Tablets
• POS Machines

Design Notes

• Rail sequencing order and delay are part of the SoC power-up contract; a wrong order latches the processor even though every rail is in spec.
• In multiphase designs, current balance depends on the loop matching between phases, so keep the layout symmetric.
• Digital interfaces (PMBus, I²C) need pull-ups to the correct rail and a defined state during power-up.
• Thermal design is a system problem here: the PMIC sits next to the load it feeds, so budget the shared copper, not the package alone.

Common Questions