IS31FL3193 3-Channel Fun LED Driver Evaluation Board Guide
Integrated Silicon Solution, Inc. – www.issi.com
1
R1.0, 07/12/2012
Description
IS31FL3193 3-channel LED driver demo board is used
to demonstrate and evaluate the IS31FL3193.
IS31FL3193 is a constant current LED driver featuring
One Shot Program Mode and PWM Control Mode for
RGB lighting effects. The IS31FL3193 can drive three
LEDs or one group RGB LED.
The demo board can perform breathing effect in One
Shot Programming Mode to display the function of
IS31FL3193.
Features
• Voltage range from 3.5V to 5.5V
• One group RGB LED or three single color LEDs
breathing system-free pre-established pattern
• 3 independently controlled outputs of 256 PWM
steps
• I2C interface, automatic address increment
function
•
Available in DFN-10 (3mm × 3mm) package
Quick Start
Recommended Equipment
• 5.0V, 2A power supply
Absolute Maximum Ratings
• ≤ 5.5V power supply
Caution: Do not exceed the conditions listed above, otherwise
the board will be damaged.
Procedure
The IS31FL3193 evaluation board is fully assembled
and tested. Follow the steps listed below to verify
board operation.
Caution: Do not turn on the power supply until all connections
are completed.
1) Connect the ground terminal of the power supply
to the GND and the positive terminal to the VCC.
Or connect the DC power to the connector (DC
IN).
2) Turn on the power supply and pay attention to the
supply current. If the current exceeds 300mA,
please check for circuit fault.
3) Enter the desired mode of display by toggling the
MODE button.
Figure 1: Photo of IS31FL3193 Evaluation Board
Evaluation Board Ordering Information
Part No. IC Package
IS31FL3193-DLS2-EB
QFN-20, Lead-free
Table1: Ordering Information
For pricing, delivery, and ordering information, please contacts ISSI’s analog marketing
team at analog_mkt@issi.com or (408) 969-6600.
