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Qorvo ACT8870 | Demoboard ACT8870EVK1-101

ACT8870EVK1-101 User’s Guide

Overview

TopologyBuck Converter
Input voltage2.8-5.5 V
Output 11.8 A
IC revisionA

Description

This document describes the characteristic and operation of the Active Semi ACT8870EVK1-101 evaluationkit (EVK). It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVKdemonstrates the ACT8870QJ101 ActivePMU power management IC. Other ACT8870QJxxx options can beevaluated on this EVK by replacing the IC and any other necessary components.

Features

The EVK can be used as a standalone board if desired. However, to access the internal registers and to takefull advantage of the IC’s capability, the user must connect the EVK kit to a PC with Active Semi’s USB-TOI2Cinterface dongle and use the GUI software. The EVK provides full access to the each converter’s inputand output voltage, as well as all the digital control signals. This gives the user the flexibility to configure theEVK to match their real world system.Note that the ACT8870EVK1-101 is specifically configured for the ACT8870QJ101. This IC does not useBuck1 or the bypass switch, so those components are not populated.

Products

Order Code Data­sheet Downloads Product seriesL
(µH)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
MountPinsRowsGenderTypeIR
(A)
PackagingColor Samples
74438356010SPEC
9 files WE-MAPI SMT Power Inductor 1 9 12 15 55 SMT 2 7.2
60900213421SPEC
3 files WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point 1 Jumper 3 Bag Black
61300211121SPEC
6 files WR-PHD 2.54 mm THT Pin Header THT 2 Single Pin Header Straight 3 Bag
61300411121SPEC
6 files WR-PHD 2.54 mm THT Pin Header THT 4 Single Pin Header Straight 3 Bag
61300611121SPEC
6 files WR-PHD 2.54 mm THT Pin Header THT 6 Single Pin Header Straight 3 Bag
Samples
Order Code Data­sheet Downloads Product seriesL
(µH)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
MountPinsRowsGenderTypeIR
(A)
PackagingColor Samples