Texas Instruments OPT3004EVM User Manual
User's Guide
SBOU220–December 2018
OPT3004EVM User's Guide
This user’s guide describes the characteristics, operation, and use of the OPT3004EVM evaluation
module. It discusses how to set up and configure the software and hardware, and reviews various aspects
of the program operation. Throughout this document, the terms evaluation board, evaluation module, and
EVM are synonymous with the OPT3004EVM. This document also includes an electrical schematic,
printed circuit board (PCB) layout drawings, and a parts list for the EVM.
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Contents
1 Overview ..................................................................................................................... 3
1.1 OPT3004EVM Kit Contents ....................................................................................... 3
1.2 Related Documentation from Texas Instruments............................................................... 4
2 OPT3004EVM Hardware ................................................................................................... 4
2.1 Theory of Operation for the OPT3004EVM ..................................................................... 5
2.2 OPT3004EVM Hardware Overview .............................................................................. 5
3 OPT3004EVM Software .................................................................................................... 7
3.1 Hardware Requirements........................................................................................... 7
3.2 Software Installation................................................................................................ 7
3.3 Launching the OPT3001EVM Software.......................................................................... 9
3.4 OPT3001EVM Software Operation ............................................................................. 10
4 Schematic, PCB Layout, and Bill of Materials.......................................................................... 15
4.1 Schematic .......................................................................................................... 15
4.2 PCB Layout ........................................................................................................ 16
4.3 Bill of Materials .................................................................................................... 17
List of Figures
1 Hardware Included with OPT3004EVM Kit............................................................................... 3
2 OPT3004EVM Hardware Setup ........................................................................................... 4
3 OPT3004 Test Board Block Diagram ..................................................................................... 5
4 Typical Hardware Connection.............................................................................................. 6
5 Typical Response After Connecting OPT3004EVM to the Computer ................................................ 6
6 OPT3001EVM Software-Installation Files................................................................................ 7
7 OPT3001EVM Software-Installation Launch............................................................................. 8
8 OPT3001EVM Software-Installation Prompts............................................................................ 8
9 OPT3001 Main Operation Screen ......................................................................................... 9
10 Hardware Error Message................................................................................................... 9
11 Power Indicators............................................................................................................ 10
12 I
2
C Address Selection...................................................................................................... 11
13 Register x00 Button and Recorded Values............................................................................. 11
14 Register x01 Control and Status Register Bits ......................................................................... 11
15 Registers x02 and x03 Lux Limit Controls .............................................................................. 12
16 Simulated Screen Backlight Dimmer .................................................................................... 12
17 Lux vs. Sample Number Plot ............................................................................................. 13
18 Re-Initialize Button ......................................................................................................... 13
19 Data Logging Setup and Enable ......................................................................................... 14
20 Read All Button on the Register Map Tab with Example Output .................................................... 14
21 OPT3004 Test-Board Schematic......................................................................................... 15
22 PCB Top Layer ............................................................................................................. 16
23 PCB Bottom Layer ......................................................................................................... 16
24 PCB Top-Layer Assembly Drawing...................................................................................... 17
25 PCB Bottom-Layer Assembly Drawing .................................................................................. 17
Trademarks
Windows, Windows 7 are registered trademarks of Microsoft Corporation.
SPI is a trademark of Motorola Inc.
All other trademarks are the property of their respective owners.
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OPT3004EVM User's Guide
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USB Cable
SM-USB-DIG
OPT3001 Test Board
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1 Overview
The OPT3004 is an ambient light sensor (ALS) with a digital output integrated circuit. It uses a two-wire
interface that works with the I2C protocol making it ideal for many applications. The OPT3004EVM is a
platform for evaluating the performance of the OPT3001 under various conditions. The OPT3004EVM
consists of two PCBs. The first is the SM-USB-DIG board that communicates with the computer, provides
power, and sends and receives appropriate digital signals. The second is the OPT3004 test board, which
contains the OPT3004 and its support circuitry.
1.1 OPT3004EVM Kit Contents
Table 1 summarizes the contents of the OPT3001EVM kit. Figure 1 shows the included hardware. Contact
the Texas Instruments Product Information Center nearest you if any component is missing. It is highly
recommended that you also check the OPT3004 product folder on the TI web site at www.ti.com to verify
you have the latest versions of the released software.
OPT3004 test board 1
SM-USB-DIG board 1
USB extension cable 1
Overview
Table 1. OPT3004EVM Kit Contents
Item Quantity
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Figure 1. Hardware Included with OPT3004EVM Kit
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Overview
1.2 Related Documentation from Texas Instruments
The following documents provide information regarding Texas Instruments' integrated circuits used in the
assembly of the OPT3004EVM. This user's guide is available from the TI web site under literature number
SBOU220. Any letter appended to the literature number corresponds to the document revision that is
current at the time of the writing of this document. The latest revision can be found by clicking the link
Table 2 and is also available from the TI web site, the Texas Instruments' Literature Response Center at
(800) 477-8924, and the Product Information Center at (972) 644-5580. When ordering, identify the
document by both title and literature number.
Table 2. Related Documentation
Document Literature Number
OPT3004 product data sheet SBOS929
SM-USB-DIG_Platform user's guide SBOU098
2 OPT3004EVM Hardware
Figure 2 shows the system setup for the OPT3004EVM. The computer runs the graphical user interface
(GUI) software that communicates with the SM-USB-DIG over a USB connection. The SM-USB-DIG
translates the USB commands from the computer into power, I2C, SPI™, and general-purpose
input/output (GPIO) commands for the OPT3004 test board. The OPT3004EVM does not require any
additional components to operate.
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Figure 2. OPT3004EVM Hardware Setup
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2.1 Theory of Operation for the OPT3004EVM
A block diagram of the OPT3004 test board hardware is shown in Figure 3. The OPT3004 test board
contains connections for the power, I2C, and an interrupt signal. For evaluation purposes, the board also
has a 5-pin header that allows the OPT3004 test board to be connected to hardware other than the SMUSB-DIG Platform.
OPT3004EVM Hardware
Figure 3. OPT3004 Test Board Block Diagram
2.2 OPT3004EVM Hardware Overview
If not already assembled, the basic hardware setup for the OPT3004EVM involves connecting the
OPT3004 test board to the SM-USB-DIG Platform and then connecting the USB cable. This section
presents the details of this procedure.
Many of the components on the OPT3004EVM are susceptible to damage by
electrostatic discharge (ESD). Customers are advised to observe proper ESD
handling precautions when unpacking and handling the EVM, including the use
of a grounded wrist strap at an approved ESD workstation.
2.2.1 Typical OPT3004EVM Hardware Setup
Connect the right-angle female socket on the OPT3004 test board to the right-angle male header on the
SM-USB-DIG Platform, as shown in Figure 4. Take special care to make sure that the two 10-pin sockets
directly align with each other. Plug the female USB-A cable to the SM-USB-DIG Platform and then plug
the male USB-A cable into the computer.
NOTE: Always connect the two boards together before connecting the USB cable to avoid any
issues if the connectors are misaligned.
CAUTION
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OPT3004EVM Hardware
Figure 5 shows the typical response when the SM-USB-DIG is plugged into the USB port of the computer
for the first time. Typically, the computer responds with a Found New Hardware, USB Device pop-up
dialog window. The pop-up window then typically changes to Found New Hardware, USB Human Interface
Device. This pop-up indicates that the device is ready to be used. The SM-USB-DIG Platform uses the
human interface device drivers that are part of the Windows®operating system.
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Figure 4. Typical Hardware Connection
Figure 5. Typical Response After Connecting OPT3004EVM to the Computer
In some cases, the Add Hardware Wizard appears. If this installation prompt occurs, allow the device
manager to install the human interface device drivers by clicking Yes at each request to install the drivers.
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3 OPT3004EVM Software
This section describes the installation and operation of the OPT3004EVM software. The OPT3004EVM
usese the OPT3001EVM Software.
3.1 Hardware Requirements
The OPT3001EVM software has been tested on the Windows 7®operating system (OS) with United
States regional settings. The software should function correctly on other Windows operating systems.
3.2 Software Installation
The OPT3001EVM software is available through the OPT3004EVM Product Folder on the TI web site
(www.ti.com). To install the software to your computer, navigate to the OPT3001EVM software, and open
the installer directory. Launch the OPT3001EVM installation file, setup.exe, as shown in Figure 6
OPT3004EVM Software
Figure 6. OPT3001EVM Software-Installation Files
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