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Summary of Contents for Microchip Technology UCS2112
- Page 1 UCS2112 Dual USB Port Power Evaluation Board User’s Guide 2015 Microchip Technology Inc. DS50002420A...
- Page 2 ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
- Page 3 Object of Declaration: UCS2112 Dual USB Port Power Evaluation Board 2015 Microchip Technology Inc. DS50002420A-page 3...
- Page 4 NOTES: 2015 Microchip Technology Inc. DS50002420A-page 4...
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Page 5: Table Of Contents
Chapter 1. Product Overview 1.1 Introduction ....................11 1.2 UCS2112 Evaluation System ............... 11 1.3 What the UCS2112 Dual USB Port Power Evaluation Board Kit Contains .. 12 Chapter 2. Installation and Operation 2.1 Introduction ....................13 2.2 Connectors on the Evaluation Board ............13 2.3 LEDs on the Evaluation Board .............. - Page 6 UCS2112 Dual USB Port Power Evaluation Board User’s Guide A.4 Board – Top Silk ..................34 A.5 Board – Top Copper and Silk ............... 34 A.6 Board – Top Copper ..................35 A.7 Board – Inner 1 - GND ................. 35 A.8 Board –...
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Page 7: Preface
• Customer Support • Document Revision History DOCUMENT LAYOUT This document describes how to use the UCS2112 Dual USB Port Power Evaluation Board. The manual layout is as follows: • Chapter 1. “Product Overview” – Important information about the UCS2112 Dual USB Port Power Evaluation Board. -
Page 8: Conventions Used In This Guide
UCS2112 Dual USB Port Power Evaluation Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Represents Examples Arial font: ® Italic characters Referenced books MPLAB IDE User’s Guide Emphasized text ...is the only compiler... -
Page 9: Recommended Reading
Preface RECOMMENDED READING This user's guide describes how to use UCS2112 Dual USB Port Power Evaluation Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. • UCS2112 Data Sheet - “USB Dual-Port Power Switch and Current Monitor”... - Page 10 UCS2112 Dual USB Port Power Evaluation Board User’s Guide NOTES: 2015 Microchip Technology Inc. DS50002420A-page 10...
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Page 11: Chapter 1. Product Overview
This document provides a description of the software and hardware used to evaluate the features of the UCS2112. The UCS2112 Dual USB Port Power Evaluation Board demonstrates the features of two USB ports, capable of data transferring and charging up to 6A. Charging limits, accumulated current, alerts and attachment status can all be configured, exercised and/or observed on a graphical user interface. -
Page 12: What The Ucs2112 Dual Usb Port Power Evaluation Board Kit Contains
UCS2112 Dual USB Port Power Evaluation Board User’s Guide A block diagram of the UCS2112 Dual USB Port Power Evaluation Board is shown in Figure 1-2 below: DC-DC Converter Power Input MCP19118 USB STD-A VBus1 RECPT (To Portable USB Upstream... -
Page 13: Chapter 2. Installation And Operation
INTRODUCTION This chapter identifies the main connectors, LEDs and test points that can be found on the UCS2112 Dual USB Port Power Evaluation Board. It also explains the steps to install the board’s graphical user interface. CONNECTORS ON THE EVALUATION BOARD Figure 2-1 shows the top of the evaluation board and highlights the connectors. -
Page 14: Leds On The Evaluation Board
UCS2112 Dual USB Port Power Evaluation Board User’s Guide LEDS ON THE EVALUATION BOARD Figure 2-2 shows the top of the evaluation board and highlights the LEDs. A_DET#2 5V voltage 12V voltage indicator pin state indicator indicator ALERT#2 pin state indicator... -
Page 15: Test Points On The Evaluation Board
For monitoring 5V output For monitoring 5V output between the 12V supply voltage 12V supply voltage from the DC-DC converter from the DC-DC converter USB84604 and the UCS2112 TP4 (SDA) For monitoring For monitoring For monitoring C communication USB84604 V USB84604 V 3.3V... -
Page 16: Software Installation
UCS2112 Dual USB Port Power Evaluation Board User’s Guide SOFTWARE INSTALLATION To begin using the UCS2112 Dual USB Port Power Evaluation Board, a software must ® be installed on a Windows -based computer with a USB port. 1. Download the UCS2112 Demo Software archive from the UCS2112 Dual USB Port Power Evaluation Board’s web page, unzip, then double-click the... - Page 17 Installation and Operation 3. Click the browse icon to specify the directory where the UCS2112 Demo Software will be installed, then click Next. FIGURE 2-6: Installation Directory. 4. Click Next in the Ready to Install window to begin the software installation. The...
- Page 18 UCS2112 Dual USB Port Power Evaluation Board User’s Guide 5. During installation, a security pop-up window, requesting approval, will appear on screen. Click Install to proceed with the installation FIGURE 2-8: Installing the GUI. 2015 Microchip Technology Inc. DS50002420A-page 18...
- Page 19 To skip release notes, deselect this check box. Click Finish to end the installation. To launch the GUI, either click on the desktop icon or browse to Windows Start>All Programs>Microchip>UCS2112 Demo Software. 2015 Microchip Technology Inc. DS50002420A-page 19...
- Page 20 UCS2112 Dual USB Port Power Evaluation Board User’s Guide NOTES: 2015 Microchip Technology Inc. DS50002420A-page 20...
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Page 21: Chapter 3. Hardware Description
I C interface. DC-DC CONVERTER WITH MCP19118 The UCS2112 Dual USB Port Power Evaluation Board has a high efficiency, 12V to 5V DC-DC converter, built around the MCP19118. The MCP19118 is a highly-integrated, mixed signal, analog pulse-width modulation (PWM) current mode controller with an integrated microcontroller core for synchronous DC/DC step-down applications. - Page 22 UCS2112 Dual USB Port Power Evaluation Board User’s Guide NOTES: 2015 Microchip Technology Inc. DS5002420A-page 22...
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Page 23: Chapter 4. Software Description
(Figure 4-1) consists of three tabs (System Monitoring, Advanced Configuration and Manual Register Configuration) as well as the right side section (UCS2112 Status), the top buttons (Start Current Sampling and Stop Sampling) and the Status bar which are always visible. -
Page 24: Interface Description And Operation
UCS2112 Dual USB Port Power Evaluation Board User’s Guide INTERFACE DESCRIPTION AND OPERATION 4.2.1 Automated Current Sampling Start/Stop Buttons On the top of the window there are two buttons that start and stop the automated current sampling (see Figure 4-2). When the Automated Current Sampling is on, the... -
Page 25: System Monitoring Tab
To enable the Accumulated Charge indication, follow these steps: 1. In the Advance Configuration tab, select Enable on the Charge Rationing group box. FIGURE 4-5: Advance Configuration Tab - Charge Rationing Group Box. 2015 Microchip Technology Inc. DS50002420A-page 25... -
Page 26: Alert# Pin Assertion And Fault Handling
4.2.4 ALERT# pin assertion and fault handling When an ALERT# pin of the UCS2112 device is asserted because is exceeding the Current Limit, reaching the Charge Rationing Limit or any other fault condition mentioned in the UCS2112 data sheet, the on-board hub USB84604 detects this condition as an overcurrent fault in all cases. -
Page 27: Advanced Configuration Tab
The Accumulated Charge indication and the Charge Rationing functionality for each port are activated by checking Enable. When the Charge Rationing threshold is reached, UCS2112 responds as specified in the Response behavior group box: Report, Report and Disconnect, Disconnect and Sleep, Ignore. - Page 28 UCS2112 Dual USB Port Power Evaluation Board User’s Guide 4.2.5.4 AUTO RECOVERY GROUP BOX The Auto Recovery mechanism is active if Latch error state is unchecked. Otherwise, the error is latched. The auto recovery parameters (Retry duration timer and Short circuit voltage threshold)
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Page 29: Manual Register Configuration Tab
To monitor the value of certain registers, select the corresponding rows in the table and press Read selected register(s) button. To write a register value to the UCS2112 device, type the value in the Value column for the respective register, then press <Enter>. -
Page 30: Status Bar
UCS2112 Dual USB Port Power Evaluation Board User’s Guide 4.2.7 Status Bar The status bar provides information on the status of the device connected to the PC and also on the status of the device configuration. Device Configuration Connection Status... -
Page 31: Appendix A. Schematic And Layouts
UCS2112 DUAL USB PORT POWER EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the UCS2112 Dual USB Port Power Evaluation Board: • Board – Schematic 1 • Board – Schematic 2 •... -
Page 32: Board - Schematic 1
BOARD – SCHEMATIC 1 TP PAD PCB 1.6x1 12V IN POWER 2.1mm 0.1uF 10uF 10uF 10uF 0603 TP PAD PCB 1.6x1 0805 1210 1210 1210 MCP_VDD 5,6,7,8 GREEN HDRV 4.7uF 220nF SIR876ADP-T1-GE3 Power ON BOOT 0603 1,2,3 PGND PHASE 0805 4.7uH LDRV 0603... -
Page 33: Board - Schematic 2
0603 TACT SPST 0.1uF RBIAS GREEN GREEN 0603 ALERT1 A_DET1 ALERT2 ADET_2 HUB RESET ALERT1 ALERT2 0603 ALERT1 ALERT2 0603 A_DET1 A_DET2 USB84604 PWR_EN1 PWR_EN2 PWR_EN1 PWR_EN2 VBUS1a VBUS2a VBUS1 VBUS2 VBUS1b VBUS2b 24.000MHz 0603 15pF 15pF 0603 0603 UCS2112... -
Page 34: Board - Top Silk
UCS2112 Dual USB Port Power Evaluation Board User’s Guide BOARD – TOP SILK BOARD – TOP COPPER AND SILK 2015 Microchip Technology Inc. DS50002420A-page 34... -
Page 35: Board - Top Copper
Schematic and Layouts BOARD – TOP COPPER BOARD – INNER 1 - GND 2015 Microchip Technology Inc. DS50002420A-page 35... -
Page 36: Board - Inner 2 - Signal
UCS2112 Dual USB Port Power Evaluation Board User’s Guide BOARD – INNER 2 - SIGNAL BOARD – BOTTOM COPPER 2015 Microchip Technology Inc. DS50002420A-page 36... -
Page 37: A.10 Board - Bottom Copper And Silk
Schematic and Layouts A.10 BOARD – BOTTOM COPPER AND SILK A.11 BOARD – BOTTOM SILK 2015 Microchip Technology Inc. DS50002420A-page 37... - Page 38 UCS2112 Dual USB Port Power Evaluation Board User’s Guide NOTES: 2015 Microchip Technology Inc. DS50002420A-page 38...
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Page 39: Appendix B. Bill Of Materials
UCS2112 DUAL USB PORT POWER EVALUATION BOARD USER’S GUIDE Appendix B. Bill of Materials TABLE B-1: BILL OF MATERIALS (BOM) Qty. Designator Description Manufacturer 1 Part Number Cap. ceramic 0.1 µF 50V 10% X7R Cal-Chip Electronics GMC21X7R104K50NTLF SMD 0805 Inc. - Page 40 UCS2112 Dual USB Port Power Evaluation Board User’s Guide TABLE B-1: BILL OF MATERIALS (BOM) Qty. Designator Description Manufacturer 1 Part Number Conn. power 2.1 mm 5.5 mm switch CUI Inc. PJ-002A TH R/A Conn. header-2.54 Male 1x6 gold 68001-106HLF 5.84 MH TH vert.
- Page 41 Crystal 24 MHz 18 pF SMD ABM8G Abracon Corporation ABM8G-24.000MHZ-18-D2Y-T Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components. 2015 Microchip Technology Inc. DS50002420A-page 41...
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Page 42: Worldwide Sales And Service
Tel: 886-2-2508-8600 China - Xian Tel: 631-435-6000 Tel: 86-29-8833-7252 Fax: 886-2-2508-0102 San Jose, CA Fax: 86-29-8833-7256 Thailand - Bangkok Tel: 408-735-9110 Tel: 66-2-694-1351 Canada - Toronto Fax: 66-2-694-1350 Tel: 905-673-0699 Fax: 905-673-6509 07/14/15 2015 Microchip Technology Inc. DS50002420A-page 42... - Page 43 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ADM00639...
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