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reference designMP8860 | Demoboard EV8860-Q-00A

Monolithic Power Systems MP8860 | Demoboard EV8860-Q-00A

2.8 - 22V VIN, 1A IOUT, 4-Switch, Integrated Buck-Boost Converter with I2C Interface

Overview

TopologyBuck-Boost Converter
Input voltage12 V
Output 15 V / 1 A
IC revision1.0

Description

The EV8860-Q-00A is an evaluation board for MP8860, which is a synchronous, 4-switch, integrated buck-boost converter capable of regulating the output voltage from a 2.8V to 22V wide input voltage range with high efficiency. The integrated output voltage scaling and adjustable output current limit functions meet the USB power delivery (PD) requirement. The MP8860 uses constant-on-time (COT) control in buck mode and constant-off-time control in boost mode, providing fast load transient response and smooth buck-boost mode transient. The MP8860 provides auto PFM/PWM or forced PWM switching modes, programmable output constant current (CC) current limit, which supports flexible design for different applications. Full protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), programmable soft start, and thermal shutdown.

Features

  • Wide 2.8V to 22V Operating Input Voltage Range
  • 1V (1) to 20.47V Output Voltage Range (5V Default) with 10mV Resolution through I2C
  • 1A Output Current or 4A Input Current
  • Four Low RDS(ON) Internal Buck Power MOSFETs
  • Adjustable Accurate CC Output Current Limit with Internal Sensing MOSFET via I2C
  • 500kHz Switching Frequency
  • Output Over-Voltage Protection (OVP) Hiccup
  • Output Short-Circuit Protection (SCP) with Hiccup
  • Over-Temperature Warning and Shutdown
  • I2C Interface with ALT Pin
  • Four Programmable I2C Addresses
  • One-Time Programmable (OTP) Non-Volatile Memory
  • I2C Programmable Line Drop Compensation, PFM/PWM Mode, Soft Start, OCP, etc.
  • EN Shutdown Discharge Programmable
  • Available in a QFN-16 (3mmx3mm) Package

Typical applications

  • USB PD Sourcing Ports / Buck-Boost Bus Supplies

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
Pins
Type
Mount
IR(A)
Working Voltage(V (AC))
SamplesAvailability & Sample
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885012106017
SPECWCAP-CSGP MLCCs 16 V(DC), 1 µF, ±20%
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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance1 µF
Capacitance±20% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX5R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Packaging Unit4000 
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744311470
SPECWE-HCI SMT Flat Wire High Current Inductor, –, –
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
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
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Size7040 
Operating Temperature -40 °C up to +150 °C
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Length7 mm
Width6.9 mm
Height3.8 mm
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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 
Pins2 
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MountSMT 
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61300111121
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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Length2.54 mm
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PackagingBag 
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Pins1 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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61300211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
–
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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Length5.08 mm
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PackagingBag 
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Pins2 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
–Check availability