MP86884 4.5-14V, 55A Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm

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MP86884 4.5-14V, 55A Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm

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pMPS MP86884 — Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm, 4.5-14V input, 55 A output./p

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MPS Power Management Power Management ICs (PMIC)

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MP86884 4.5-14V, 55A Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm

The MPS MP86884 is a Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm. It operates from a 4.5 V to 14 V input and is rated for 55 A.

The MP86884 is a monolithic half-bridge with built-in internal power MOSFETs and gate drivers.

Key Specifications

Part Number	MP86884
Function	Intelli-PhaseTM Solution (Integrated HS/LS FETs and Driver) in 6x6mm
Input Voltage	4.5 V to 14 V
Current Rating	55 A
Interface	PWM
Ordering Codes	MP86884

Features

Wide 4.5V to 14V Operating Input Range
Simple Logic Interface
55A Output Current
Accepts Tri-State PWM Signal
Built-In Switch for bootstrap
Current Sense
Temperature Sense
Current Limit Protection
Used for Multi-Phase Operation
Available in 6mm x 6mm TQFN Package

Typical Application Circuit

Applications

Server Core Voltage
Graphic Card Core Regulators

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.