PCA9633DEMO Future Designs Inc, PCA9633DEMO Datasheet

BOARD DEMO FOR PHILIPS PCA9633

PCA9633DEMO

Manufacturer Part Number
PCA9633DEMO
Description
BOARD DEMO FOR PHILIPS PCA9633
Manufacturer
Future Designs Inc
Datasheet
1.PCA9633DEMO.pdf (6 pages)

Specifications of PCA9633DEMO

Current - Output / Channel
25mA
Outputs And Type
4, Non-Isolated
Voltage - Output
4 V
Features
Dimmable, I²C Interface
Voltage - Input
6 ~ 9V
Utilized Ic / Part
PCA9633
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
622-1004
The PCA9633 Demo Board demonstrates the Philips PCA9633 Fast Mode Plus 4-bit I²C
LED Dimmer IC. Four LEDs are connected to the PCA9633 and through individual
pulse width modulation (PWM) of each LED show different levels of intensity.
To use, push SW8 to the ON position. The LEDs will immediately flash and glow. To
select a different mode of operation, press the MODE button (PB1). The LED will flash
amber a number of times to denote which mode was entered. Use the other 3 buttons
(SELECT, PLUS, & MINUS) to change the settings. Six different modes of operation
are provided and described below.
If the battery is low, the red LED will flash every 3 seconds.
Mode 1: Auto Demonstration Mode
Mode 2: Color Wash Mode
Mode 3: Random Color Mode
H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual
121905.doc
First shows Mode 2 for 10 seconds, then shows Mode 3 for 10 seconds, and then
repeats.
Goes through blends of different colors continuous.
Randomly shows different colors without blending transitions.
MODE
SELECT
PLUS
MINUS
MODE
SELECT
PLUS
MINUS
MODE
SELECT
PLUS
MINUS
Next mode
Does nothing
Does nothing
Does nothing
Next mode
Toggle between smooth transitions and sharp transitions.
Faster
Slower
Next mode
Toggle between two color sets, darker and lighter
Faster
Slower
PCA9633DEMO
User Manual
Overview
Page 1 of 6
Rev 2

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PCA9633DEMO Summary of contents

Page 1

... MODE SELECT PLUS MINUS Mode 3: Random Color Mode Randomly shows different colors without blending transitions. MODE SELECT PLUS MINUS H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual 121905.doc PCA9633DEMO User Manual Overview Next mode Does nothing Does nothing Does nothing Next mode Toggle between smooth transitions and sharp transitions. ...

Page 2

... Demonstrates the /Output Enable control pin input that Hi-Zs the LED outputs. This mode changes the LED diffuser color to purple and blinks all LEDs at the same rate. MODE SELECT PLUS MINUS H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual 121905.doc PCA9633DEMO User Manual th group PWM that is used to dim or blink the combined Next mode ...

Page 3

... Cable LED OEn This switch connects the OEn of the PCA9633 to pin 6 of RJ45 cable so that the master board can control the PCA9633 /OE pin on each slave board. This MUST be set to ON for proper operation. H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual 121905.doc PCA9633DEMO User Manual Switch Layout 1< ...

Page 4

... It is also recommended to remove the battery from the board when not in use to avoid inadvertent battery drain if the OFF/ON switch is bumped ON. The battery may be placed in the holder with the contacts “away” from each other as a storage method. H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual 121905.doc PCA9633DEMO ...

Page 5

... Power Connectivity The PCA9633DEMO Board requires input power of 6VDC to 9VDC at 100mA. This power may be supplied via the 9V battery holder, or via the external power connector, J2. Extreme care should be taken when connecting and external power source to the board to insure proper polarity. Off-Board LED Drivers The PCA9633DEMO Board includes high-current FET drivers for off-board LED circuitry ...

Page 6

... FDI Demo Board Schematics H:\Philips\PCA9633DEMO\DOCs\PCA9633 Demo Board User Manual 121905.doc PCA9633DEMO User Manual Page FDI Rev 2 ...

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