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Texas Instruments LP5814EVM User Manual
Texas Instruments LP5814EVM User Manual

Texas Instruments LP5814EVM User Manual

3/4-channel i2c rgb led driver evaluation module

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EVM User's Guide: LP5814EVM LP5815EVM
LP5814/5DRLEVM 3/4-Channel I
Evaluation Module
Description
This user's guide describes the LP5814/4I/5/6/7
evaluation module, including LP5814DRLEVM and
LP5815DRLEVM. This user's guide is used as
a reference for engining evaluation. Included in
this user's guide are hardware setup instructions,
Graphical User Interface (GUI) installation, GUI
guidance, schematic diagrams, print board (PCB)
layout and bill of materials (BOM).
The LP5814DRLEVM helps deigners evaluate the
functions of the LP5814, LP5814I and LP5816.
The LP5815DRLEVM helps deigners evaluate the
functions of the LP5815 and LP5817.
2
LP5814 : 4-channel I
driver with auto animation control.
2
LP5815 : 3-channel I
with instant blinking and auto animation control.
LP5814I : 4-channel I
driver with auto animation control and instant
blinking.
2
LP5816 : 4-channel I
driver.
SNVU932 – MARCH 2025
Submit Document Feedback
C interface RGBW LED
C interface RGB LED driver
2
C interface RGBW LED
C interface RGBW LED
LP5814DRLEVM Hardware Image
LP5815DRLEVM Hardware Image
Copyright © 2025 Texas Instruments Incorporated
2
C RGB LED Driver
LP5817 : 3-channel I2C interface RGB LED driver.
The LP581x_RUKA Graphical User Interface (GUI)
is provided to control all the family devices
LP5814/4I/5/6/7 through the USB2ANY interface
adapter.
Get Started
1. Request the LP5814DRLEVM or
LP5815DRLEVM from
2. Download the LP5814, LP5815, LP5816, LP5817
or LP5814I data sheet from ti.com.
3. Download the LP581x_RUKA GUI from ti.com.
Applications
Portable and wearable
earbuds
and charging case
Gaming and home
entertainment:
RGB mouse,
video doorbell
Industrial
HMI:
EV
charger,
2
LP5814/5DRLEVM 3/4-Channel I
C RGB LED Driver Evaluation Module
Description
ti.com
.
electronics: e-cigarette,
smart
speaker,
factory automation
1

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Summary of Contents for Texas Instruments LP5814EVM

  • Page 1 Description EVM User's Guide: LP5814EVM LP5815EVM LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module • LP5817 : 3-channel I2C interface RGB LED driver. Description The LP581x_RUKA Graphical User Interface (GUI) This user's guide describes the LP5814/4I/5/6/7 is provided to control all the family devices...
  • Page 2: Kit Contents

    This user’s guide describes the characteristics, setup, and usage of the LP5814/5DRLEVM. The LP5814/5DRLEVM helps the user evaluate the features of the Texas Instruments Device. The LP5814DRLEVM can be converted for testing the LP5816 or the LP5814I by replacing the factory-installed device (U1) with the LP5816 or the LP5814I device.
  • Page 3: Jumper Information

    2. For the LP5815DRLEVM, the LP5815 is under the conditions below with the default jumpers setting. • The VCC of LP5815 is connected to the 3.3V of USB2ANY through the jumper J2. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 4 The VLED, which provides the power supply for the RGB LED D1, is connected to the 3.3V of USB2ANY through the jumper J9. Figure 2-3. LP5815DRLEVM Default Jumpers Setting LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 5 3.3 Graphical User Interface (GUI) Guidance The LP581x_RUKA GUI is a convenient tool to control and evaluate all functions of LP581x(4/4I/5/6/7) family. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 6 2. Press the BSL button inside USB2ANY, then plug in the USB cable. 3. Click UPDATE button. 3.3.2 Start Page LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 7 Figure 3-6. Instant Blinking Disable 3.3.3 Hardware Setup Page There are two tabs shown on the Figure 3-7. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 8 3-8, there are two shortcuts that navigate to LED Control Page and Register Map Page through clicking the corresponding START button. LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 9 Software Figure 3-8. Home Page 3.3.5 LED Control Page SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 10 Set the selected blue LED and green LED in manual mode through selecting the Manual item from the Select Mode pulldown menue. Figure 3-10. Chip Enable and Manual Mode Set LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 11 The selected blue LED and green LED are turned on after entering the PWM value. Figure 3-12. Manual PWM Set SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 12 Eanble exponential PWM dimming for the selected red LED and white LED through selecting the Exponential item from the PWM Dimming Scale pulldown menue. LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 13 Select engine 0 for selected red LED (OUT2) through selecting the Engine0 is selected item from the OUT2 Engine Channel pulldown menue. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 14 Table 3-2 table. Set the paramters of pattern 1 as the value shown in the Table 3-3 table. LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 15 PATTERN1_PWM4 PATTERN1_PWM4 = 0 PATTERN1_SLOPER_T1 = PATTERN1_SLOPER_TIME1 0.2s, PATTERN1_SLOPER_T0 = 1s PATTERN1_SLOPER_T3 = PATTERN1_SLOPER_TIME2 0.2s, PATTERN1_SLOPER_T2 = 1s SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 16 The selected red LED starts blinking in 5Hz frequency and selected white LED starts breathing up and down after sending start command. Figure 3-20. Start Command Send LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 17 As for LP5815, STAT pin is required to be pulled down to make the device enter shutdown mode. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 18 After clicking exit shutdown button, the GUI tries to connect to the device and shows the status on the hardware connection status bar. Figure 3-23. Exit Shutdown LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 19 Flag Registers panel, on which all the flags are shown. When chip is enabled, click Clear TSD button to clear TSD flag and click Clear POR button to clear POR flag. Figure 3-24. Read Flags SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 20 4 Hardware Design Files 4.1 Schematics LP5814DRLEVM schematic is shown in Figure 4-1. Figure 4-1. LP5814DRLEVM Schematic LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 21 Hardware Design Files LP5815DRLEVM schematic is shown in Figure 4-2. Figure 4-2. LP5815DRLEVM Schematic SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 22: Pcb Layouts

    Figure 4-4. LP5814DRLEVM PCB Bottom Layer Figure 4-5 Figure 4-6 show the top layer and bottom layer of the LP5815DRLEVM PCB layout. LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 23 Hardware Design Files Figure 4-5. LP5815DRLEVM PCB Top Layer Figure 4-6. LP5815DRLEVM PCB Bottom Layer SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 24 Tin tail, R/A, TH Solutions 3-Channel I2C Interface RGB LED Driver with Texas Instruments LP5815DRLR Instant Blinking and Auto Animation Control LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module SNVU932 – MARCH 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 25: Additional Information

    Additional Information 5 Additional Information 5.1 Trademarks All trademarks are the property of their respective owners. SNVU932 – MARCH 2025 LP5814/5DRLEVM 3/4-Channel I C RGB LED Driver Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 26 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 27 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 28 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 29 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 30 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2023, Texas Instruments Incorporated...
  • Page 31: Important Notice

    TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2025, Texas Instruments Incorporated...

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