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Overview
| Topology | Buck Converter |
| Input voltage | 2.8-5.5 V |
| Output 1 | 1.8 A |
| IC revision | 1 |
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.
Typical applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | V (V) | Mount | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Color | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74438356010 | SPEC | 9 files | WE-MAPI SMT Power Inductor | 1 | 10.1 | 11.5 | 12 | 55 | 80 | SMT | 2 | – | 2 | – | – | 7.2 | – | – | ||
 | 60900213421 | SPEC | – | 3 files | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | 1 | – | – | Jumper | – | 3 | Bag | Black | |
 | 61300211121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | THT | 2 | Single | – | Pin Header | Straight | 3 | Bag | – | |
| 61300411121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | THT | 4 | Single | – | Pin Header | Straight | 3 | Bag | – | |
| 61300611121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | THT | 6 | Single | – | Pin Header | Straight | 3 | Bag | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74438356010 | SPEC | |
| 60900213421 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300411121 | SPEC | – |
| 61300611121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | V (V) | Mount | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Color | Samples |
|---|