UTC2000 datasheet(12/30 Pages) MICROCHIP

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UTC2000

EVALUATION KIT

USER’S GUIDE

 2015 Microchip Technology Inc.

DS50002399A-page 12

Chapter 2. Getting Started

2.1

CONTENTS OF THE KIT

The UTC2000 Evaluation kit includes the basic equipment necessary for evaluation.

The items include in the kit are:

1. EVB-UTC2000-DFP Evaluation Board

2. EVB-UTC2000-UFP Evaluation Board

3. USB Type-C Cable

2.2

BRING-UP AND TESTING

2.2.1

Setup and Requirements

• EVB-UTC2000-DFP: Before use, slide SW1 to the legacy charging mode. To use,

simply insert the device into any USB Type-A USB 2.0 or USB 3.1 Gen 1 host

port. Any USB Type-C device may now be connected to the USB Type-C port.

The reversibility of the USB Type-C cable can be demonstrated by connecting it in

the opposite direction.

• EVB-UTC2000-UFP: To use, connect to any USB Type-C host or hub port. If

there is no native USB Type-C host available, the EVB-UTC2000-DFP board may

be used. Insert a USB 2.0 or USB 3.1 Gen 1 device into the Type-A receptacle(J2)

of the EVB-UTC2000-UFP. The device may then be used normally.

2.2.2

EVB-UTC2000-DFP Legacy Charging Operation

The EVB-UTC2000-DFP board is configured to Legacy 500mA (USB2.0)/900mA(USB3.1

Gen1) charging mode by default. Ensure that SW1 is in the "Lgcy" position. The switch

will select 56 kΩ CC1/CC2 Rp pull-up resistors and set the CFG_SEL voltage to the

appropriate level.

When connecting the EVB-UTC2000-DFP board to the EVB-UTC2000-UFP while in

Legacy charging mode, the “Legacy” charging capability LED indicator (D4) on the

EVB-UTC2000-UFP will be illuminated.

2.2.3

1.5 A Charging Operation

The EVB-UTC2000-DFP is designed to plug in and operate from any legacy USB

Type-A port. In order to protect your computer from possible overcurrent issues, 1.5A

and 3.0A modes have been disabled by default.

In order to test 1.5A charging mode, please perform the following steps:

1. Remove R15 and R17 56k Rp pull-up resistors

2. Populate R18 and R23 with 22k, 0402 footprint resistors

3. Set SW1 to the "1.5A" position

4. Remove R3 to isolate the 5V domain on the EVB-UTC200-DFP from the 5V

domain on your host PC.

5. Connect an external power supply as shown in section 3.1.1

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