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© Semiconductor Components Industries, LLC, 2012
November, 2012 − Rev. 1
1 Publication Order Number:
EVBUM2164/D
CAT3649AGEVB
CAT3649 Evaluation Board
User's Manual
Introduction
This document describes the CAT3649 evaluation board
for the ON Semiconductor CAT3649 6−Channel
Quad−Mode LED Driver with an Ambient Light Sensor
circuit, NOA1211, that can control the LEDs intensity
proportionally with the ambient light intensity.
The functionality and major parameters of the CAT3649
can be evaluated with the CAT3649 evaluation board.
A detailed description and electrical characteristics are
available in the CAT3649 and NOA1211 datasheets.
Board Hardware
The evaluation board contains one CAT3649 in an
application circuit driving a total of six LEDs and one
NOA1211. The Ambient Light Sensor is connected to the
LED driver via the C8051F321 microcontroller, which is
illustrated in Figure 2.
Figure 1. CAT3649 Evaluation Board
Figure 2. Ambient Light Sensor Mode Block Diagram
http://onsemi.com
EVAL BOARD USER’S MANUAL
