MP2953B Datasheet: Digital Multi-Phase Controller





MP2953B Digital Multi-Phase Controller Datasheet

Part Number MP2953B
Description Digital Multi-Phase Controller
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2953B Datasheet PDF

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The Future of Analog IC Technology
DESCRIPTION
The MP2953B is a digital multi-phase controller
that provides power for the core of the INTEL
VR12.5 platform. It works with MPS’ Intelli-
Phase products to complete the multi-phase VR
solution with minimal external components. It
can be configured for 1 ~ 6 phase operation.
The MP2953B provides on-chip EEPROM to
store and restore device configurations. Device
configurations and fault parameters are easy to
program or monitor using the PMBus interface.
The MP2953B monitors and reports the output
current through CS output from Intelli-Phase
products.
The MP2953B is based on a unique digital
multi-phase, non-linear control to provide fast
transient response to load transient with
minimal output capacitors. With only one power
loop control method for both steady state and
load transient, the power loop compensation is
easily configured.
MP2953B
Digital Multi-Phase Controller
with PMBus Interface for VR12.5
FEATURES
6-Phase Digital PWM Controller
Intel’s VR12.5 Compliant
PMBus Compliant
Serial VID Interface for Programming and
Monitoring
Pin Programmable SVID registers
Built-In EEPROM to Store Custom
Configurations
Automatic Loop Compensation
Less External Components than
Conventional Analog Controllers
Phase-Shedding at Light Load to Provide
High Efficiency
Phase-to-Phase Active Current Balancing
Input and Output Voltage, Current, and
Power Monitoring
Regulator Temperature Monitoring
Open-Drain FAULT# Signal for Fault
Notification
RVP/OVP/UVP/OCP/OTP/UVLO Protection
with Options of No Action, Latch, Retry, or
Hiccup
Adjustable Load-Line Regulation
RoHS Compliant 5mmx5mm QFN-40
APPLICATIONS
Server Core Voltage
Graphic Card Core Regulators
Telecom and Networking Systems
Base Stations
All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.
For MPS green status, please visit the MPS website under Quality
Assurance.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
MP2953B Rev. 1.01
www.MonolithicPower.com
11/2/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
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