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The MAX16625BAFC is a feature-rich low-input voltage intelligent power stage IC, featuring a small size (3.25mm x 7.4mm) 12-pin FC2QFN package. It is designed to be used in conjunction with ADI's controllers to achieve high-density multiphase regulators.

Multiple intelligent power stage ics combined with a controller form a compact synchronous step-down converter, providing precise single-phase current and temperature reports via PMBus. The MAX16625BAFC intelligent power stage device includes fault protection circuits for over-temperature, VX short circuit, I/O open/short circuit, power undervoltage lockout (UVLO), and main power overvoltage lockout (OVLO).

Key Features

Spatial optimization solution

Single-chip intelligent power stage

Small size: (3.25mm x 7.4mm) 12-pin FC2QFN package

Peak efficiency of 8 phases, 600kHz, and 4.5V VIN

It is 95.4% at 1V VOUT

It was 93.1% at 0.6V VOUT

Switching frequency from 300kHz to 1.3MHz

Telemetry and fault reporting are carried out through the controller IC PMBus

Accurate temperature monitoring and reporting

Accurate current reports for each phase

Fault_ID represents the type of fault

The SEL input of VX_FAULT output

Advanced self-protection function

Power supply and boost UVLO protection

Input power OVLO protection

Boost refresh

VX short circuit and overheating shutdown

VX open circuit and short circuit detection when powered on

Fast overcurrent protection

Start and check the I/O open/short circuit pins

In addition, the MAX16625BAFC is suitable for a variety of application fields, mainly including:

High-current multiphase voltage regulator

AI and machine learning ASics

Network ASIC

Graphics processor

Servers, workstations and enterprise storage

Communication and network equipment

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