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reference designMP4248 | Demoboard EVL4248-QV-00A

Monolithic Power Systems MP4248 | Demoboard EVL4248-QV-00A

36V, 140W, Buck-Boost with Integrated Low-Side MOSFETs, Supports High-Side Current Sense and I2C Evaluation Board

Overview

TopologyBuck-Boost Converter
Input voltage3.6-36 V
Output 15 V / 7 A
IC revision1.0

Description

The EVL4248-QV-00A evaluation board is designed to demonstrate the capabilities of the MP4248, a buck-boost converter with two low side MOSFETs (LS-FETs). The device can deliver up to 140W of peak output power (POUT) at certain input-supply range with excellent efficiency.The MP4248 is well-suited for USB power delivery (PD) applications. It can work with an external USB PD controller through the I2C interface.It is recommended to read the MP4248 datasheet prior to making any changes to the EVL4248-QV-00A.

Features

  • IEC62368-1 Certified
  • 140W Buck-Boost Converter with Integrated Low-Side MOSFETs (LS-FETs)
  • Integrated Gate Driver for High-Side MOSFETs (HS-FETs)
  • Configurable Input UVLO
  • 3.6V to 36V Start-Up Input Voltage Range
  • 1V to 36V Output Voltage (VOUT) Range with 1% Accuracy
  • Supports 2.8V Falling VIN When VOUT > 3.5V
  • Up to 98% Peak Efficiency
  • I2C-Configurable VREF Range: 0.1V to 2.147V with 1mV Resolution
  • Accurate Output CC Current Limit: ±5%, Supports High-Side (HS) Current Sense
  • Accurate Output Current Monitor (IMON)
  • Meets USB PD 3.1 EPR AVS and PPS Specification
  • Selectable 280kHz, 420kHz, and 580kHz Switching Frequency (fSW)
  • Selectable Forced PWM Mode or Automatic PFM/PWM Mode
  • Output Bias VCC LDO for Higher Efficiency
  • Line Drop Compensation via RSENS
  • I2C, Alert, and OTP Memory
  • EN Shutdown Passive Discharge
  • Output OCP, OVP, and Thermal Shutdown Protection
  • Available in a QFN-20 (3mmx5mm) Package

Typical applications

  • USB Type-C and USB Power Delivery (PD), USB Type-C PD Monitors and Docking Stations
  • Buck-Boost Converter

More information

Products

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Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
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Version
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SamplesAvailability & Sample
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885012105017
SPECWCAP-CSGP MLCCs 16 V(DC), 220 nF, ±20%
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance220 nF
Capacitance±20% 
Rated Voltage16 V (DC)
Size0402 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.5 GΩ
Ceramic TypeX5R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012105012
SPECWCAP-CSGP MLCCs 10 V(DC), 1 µF, ±20%
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
Capacitance1 µF
Capacitance±20% 
Rated Voltage10 V (DC)
Size0402 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor15 %
Insulation Resistance0.05 GΩ
Ceramic TypeX5R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012206026
SPECWCAP-CSGP MLCCs 10 V(DC), 1 µF, ±10%
Simu­lation
Availability
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Downloads9 files

EDA models: Components ZIP

CAD files ZIP

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Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
Capacitance1 µF
Capacitance±10% 
Rated Voltage10 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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612010235121
SPECWR-BHD 2.54 mm Male, –, –
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-BHD 2.54 mm Male
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Operating Temperature -40 °C up to +125 °C
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Insulation Resistance1000 MΩ
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Length20.3 mm
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PackagingTray 
Pins10 
VersionLow Profile 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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61300311121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length7.62 mm
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PackagingBag 
Pins3 
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TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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