IC manufacturers Monolithic Power Systems

IC manufacturers (108)

Monolithic Power Systems MPQ8861-AEC1 | Demoboard EVQ8861-LE-00A

18V, 12A, Synchronous Step-Down Converter with I2C Interface, AEC-Q100 Qualified Evaluation Board

Overview

TopologyBuck Converter
Input voltage2.9-18 V
Output 11 V / 12 A
IC revision1

Description

The EVQ8861-LE-00A is an evaluation board designed to demonstrate the capabilities of the MPQ8861, a high-frequency, synchronous, rectified, step-down, switch-mode converter with an I2C interface. The MPQ8861 offers a fully integrated solution that can achieve up to 12A of continuous DC output current (IOUT) across a wide 2.9V to 18V input voltage (VIN) range, with excellent load and line regulation.

Features

.9V to 18V Input Voltage (VIN) Range0.6V to 5.5V Output Voltage (VOUT) RangeUp to 12A of DC Output Current (IOUT)Internal Reference Voltage (VREF) with 1% AccuracySlew Rate Control for Dynamic Reference Adjustment in 4mV StepsSelectable Automatic Pulse-Frequency Modulation (PFM)/Pulse-Width Modulation (PWM) ModeConfigurable via the I2C: Voltage Slew Rate, SwitchingFrequency (fSW), and Current LimitFour Selectable I2C AddressesPower Good (PG) IndicationOver-Current Protection (OCP)Over-Voltage Protection (OVP)Thermal ShutdownAvailable in a QFN-14 (3mmx4mm) PackageAvailable in a Wettable Flank PackageAvailable in AEC-Q100 Grade 1

Typical applications

  • Automotive Systems
  • Industrial Systems

Additional parts recommended by Würth Elektronik

Recommended parts are Würth Elektronik alternatives that are not formally approved for this reference design. Please verify it is suitable for your application, and contact us if you have any questions.

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Data­sheet
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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SPECWE-XHMI SMT Power Inductor, 0.68 µH, 61.1 A
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Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Inductance0.68 µH
Performance Rated Current61.1 A
Saturation Current @ 30%68.5 A
DC Resistance0.77 mΩ
DC Resistance0.91 mΩ
Self Resonant Frequency50 MHz
MountSMT 
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