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reference designMP2935+MP86885

Monolithic Power Systems MP2935+MP86885

EV2935+86885-DDR4-00A EV2935+MP86885 3 Phase Buck Converter EV Board

Overview

TopologyBuck Converter
Input voltage12 V
Output 160 A
IC revision1.0

Description

The EV2935+86885 (DDR4) evaluation board is a 3-phase synchronous buck switching regulator for DDR4 application, providing Vddq output of 1.2V at 60A.This EVB utilizes the Intelli-Phase MP86885 to work with the controller MP2935, providing the 60A continuous output current for Vddq rail.This EVB highlights many benefits of using the MP2935+MP86885. The MP2935 adopts threelogic- level PWM outputs for enhanced noiseimmunity and flexible fault management.Depending on the power states set by SVID command, the multi-phase channel can switch between multi-phase and single-phase operation.MP86885 is a Monolithic IC approach to drive up to 40A per phase. Integration of the driver and the MOSFETs results in high efficiency dueto optimal dead time control and parasitic inductance reduction. It also comes with a general purpose current sense and temperature sense.The EVB datasheet provides the schematic, BOM, and test setup necessary to evaluate the board.

Features

  • 12V Typical Input.
  • 60A Output Current at Vddq Rail.
  • Up to 4 phase Operation
  • Tri-State PWM Outputs for Driving MPS
  • Intelli-PhaseTM Devices
  • Power-Saving Modes Maximize Efficiency
  • during Light Load and Deeper-Sleep Operation.
  • Active Current Balancing between OutputPhases.
  • Overload and Short-Circuit Protection with Latch-Off Delay.
  • Output Current Monitor
  • Thermal Monitoring
  • Available in a 6mm x 6mm QFN Package

Typical applications

  • Server Core Voltage
  • POLs (Memory)
  • Graphic Card Core Regulators
  • DDR3/4

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(nH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
LR(nH)
IR(A)
SamplesAvailability & Sample
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744302010
SPECWE-HCM SMT High Current Flat Wire Inductor, 105 nH, 76.1 A
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Downloads9 files

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CAD files ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
Inductance105 nH
Performance Rated Current76.1 A
Saturation Current @ 10%45 A
Saturation Current @ 30%51 A
DC Resistance0.235 mΩ
Self Resonant Frequency70 MHz
MaterialMnZn 
Packaging Unit1000 
Rated Inductance104 nH
Rated Current30 A
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744314200
SPECWE-HCI SMT Flat Wire High Current Inductor, 2000 nH, 13.8 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2000 nH
Performance Rated Current13.8 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%9 A
DC Resistance5.85 mΩ
Self Resonant Frequency68 MHz
MaterialSuperflux 
Packaging Unit1000 
Rated Inductance1350 nH
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