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reference designMPQ4214 | Demoboard EVQ4214-U-00A

Monolithic Power Systems MPQ4214 | Demoboard EVQ4214-U-00A

40V, Synchronous Buck-Boost Controller with I2C and Adjustable OCP via IPWM, AEC-Q100 Qualified

Overview

TopologyBuck-Boost Converter
Input voltage6-40 V
Output 136 V / 5 A
IC revision1.2

Description

The EVQ4214-U-00A Evaluation Board is designed to demonstrate the capabilities of MPS’ MPQ4214GU-AEC1.The MPQ4214GU-AEC1 is a synchronous, four-switch, buck-boost controller capable of regulating different output voltages with a wide input voltage range and high efficiency. The MPQ4214 provides an I2C interface, which supports VOUT voltage programmability, VOUT slew-rate control and constant output current limit programmability, making the MPQ4214suitable for USB power delivery (PD) design in USB Type-C power supplies.

Features

  • 6V to 40V Startup Input Voltage Range
  • 5V to 40V Operation Input Voltage Range
  • Flexible Reference Voltage Selection:
  • MPQ4214GU: Programmable VREF Voltage
  • MPQ4214 Flexible I2C Interface Control for:
  • 0.5V to 36V Output Voltage Range
  • 0.3V to 2.047V Reference Voltage Range with 1mV Steps
  • Selectable VOUT Slew Rate
  • 0.6A Steps Programmable Output Constant Current Limit
  • <50mA Steps Output Current Limit Adjusting through IPWM Pin
  • Frequency Dithering Function for EMI Optimization
  • Integrated VOUT Discharge Function
  • Selectable 200kHz, 300kHz, 400kHz, and 600kHz Switching Frequency
  • OCP, SCP, and OVP
  • Output Enters High Impedance State during EN Shutdown
  • Interrupt Indicator for CC, OCP, OVP and OTP
  • Available in a QFN-27(5mmx5mm) Package
  • Available in AEC-Q100 Grade 1

Typical applications

  • USB Power Delivery, Industrial PC Power Supplies
  • Wireless Charging, High Power LED Driver

More information

Products

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Data­sheet
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Status
Product series
C
VR(V (DC))
Endurance(h)
IRIPPLE(mA)
Z(mΩ)
ILeak(µA)
DF(%)
Ø D(mm)
L(mm)
Packaging
Pins
Type
Mount
IR(A)
Working Voltage(V (AC))
Operating Temperature
SamplesAvailability & Sample
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865080653016
SPECWCAP-ASLI Aluminum Electrolytic Capacitors, 100 µF, 50 V (DC)
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors
Capacitance100 µF
Rated Voltage50 V (DC)
Endurance 2000
Ripple Current350 mA
Impedance460 mΩ
Leakage Current50 µA
Dissipation Factor12 %
Diameter8 mm
Length10.5 mm
Packaging15" Tape & Reel 
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MountV-Chip SMT 
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Operating Temperature -55 °C up to +105 °C
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61300411121
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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Length10.16 mm
PackagingBag 
Pins4 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
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