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reference designMP5455 | Demoboard EV5455-L-00A

Monolithic Power Systems MP5455 | Demoboard EV5455-L-00A

Power Back-up Manager Evaluation Board

Overview

TopologyOther Topology
Input voltage3.5-5 V
IC revision1.1

Description

EV5455-L-00A Evaluation Board is designed todemonstrate the capabilities of MP5455. TheMP5455 is designed to provide back-up powerin the event of a power loss. The internal inputcurrent-limit block with dv/dt control preventsinrush current during system start-up; the busvoltage start-up slew rate is programmable.MPS’ patented power back-up control circuitminimizes the storage capacitor requirement. Itpumps the input voltage to a higher storagevoltage and releases the energy over a hold-uptime to the system in the case of an inputoutage. The storage voltage and the releasevoltage are both programmable for differentsystem requirements.

Features

Wide 2.7 to 7V Operating Input Range forMP5455

  • 60mΩ Back to Back Switch for Input CurrentLimit Circuit and Reverse Current Blocking
  • Reverse Current Protection
  • 6V Bus Clamping Voltage
  • Power on Reset
  • Adjustable dv/dt Slew Rate for Bus VoltageStart-up
  • Thermal Protection
  • Available in an QFN20(3mmx4mm)Package

Typical applications

  • Battery Hold-Up Supplies
  • Power Back-Up

More information

Products

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Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744311470
SPECWE-HCI SMT Flat Wire High Current Inductor, 4.7 µH, 7.8 A
Simu­lation
Availability
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Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance4.7 µH
Performance Rated Current7.8 A
Saturation Current @ 10%2.5 A
Saturation Current @ 30%7 A
DC Resistance19.5 mΩ
Self Resonant Frequency33 MHz
MaterialSuperflux 
Packaging Unit1000 
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