NXP Semiconductors PCA9633 User Manual Download Page 1

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UM10573

PCA9633 demo board OM6276

Rev. 1 — 17 October 2012

User manual

Document information

Info

Content

Keywords

LED driver, FET, I

C-bus

Abstract

The PCA9633 OM6276 demo board demonstrates the NXP
Semiconductors PCA9633 Fast-mode Plus 4-bit I

C-bus LED driver IC

Summary of Contents for PCA9633

Page 1: ...276 Rev 1 17 October 2012 User manual Document information Info Content Keywords LED driver FET I2C bus Abstract The PCA9633 OM6276 demo board demonstrates the NXP Semiconductors PCA9633 Fast mode Plu...

Page 2: ...served User manual Rev 1 17 October 2012 2 of 16 Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Se...

Page 3: ...through the external power connector Can be daisy chained with additional boards for synchronous control by a single I2C master 2 Description Figure 1 is a photograph of the PCA9633 Philips legacy de...

Page 4: ...ument is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 17 October 2012 4 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 Fig 1 Top view of PCA9633 OM6276 d...

Page 5: ...e PCA9633 OM6276 demo board requires input power of 6 V DC to 9 V DC at 100 mA This power may be supplied via the 9 V battery holder or via the external power connector J2 Take care to observe correct...

Page 6: ...to avoid battery drain should the OFF ON switch be inadvertently switched ON Place the battery in the holder with the contacts away from each other as a storage method Figure 2 Fig 4 Board power and...

Page 7: ...imum 2 4 Board selection 1 Only one board can be set as Master 2 The MASTER board must be at one end of the Ethernet cable for proper operation of the I2C bus Subsequent SLAVE boards are not required...

Page 8: ...llows a color to be chosen by selecting the amount of each LED s PWM output It also selects the fifth group PWM that is used to dim or blink the combined colors at the same time Mode next mode Select...

Page 9: ...1 17 October 2012 9 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 Select selects frequency duty cycle fixed at 50 50 or duty cycle frequency fixed at XX Plus faster frequency double each...

Page 10: ...PCA9633 demo board OM6276 4 Application information 4 1 Schematics Fig 5 Microprocessor DDD 5 9 6 6 5 5 9 1 237 21 77 5 92 7 021 725 1 86 1 2 3 5 5 8 5 9 53 N 62 2 03 3 3 3 3 3 76623 PLFURSURFHVVRU 56...

Page 11: ...1 17 October 2012 11 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 Fig 6 On board LED drivers DDD 8 9 9 3 3 76623 6 6 2 56 56 56 56 21Q 966 6 5 9 GLIIXVHU 7 UHG JUHHQ EOXH DPEHU 5 5 5 6...

Page 12: ...012 All rights reserved User manual Rev 1 17 October 2012 12 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 Fig 8 Con1 Con2 DDD 21 5 21Q 56 7 7 5 56 6 7 21 5 Fig 9 IC2 buffer ICP header DD...

Page 13: ...17 October 2012 13 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 Fig 10 Input power DDD 21Q 56 56 6 7 6 9 1 7 7 5 9 1 9 1 93 9 9 5 N 9 5 N 53 N 62 6 6 6 21Q 8 21 3 1 1 6 3 LQSXW SRZHU 93...

Page 14: ...12 All rights reserved User manual Rev 1 17 October 2012 14 of 16 NXP Semiconductors UM10573 PCA9633 demo board OM6276 5 Abbreviations Table 4 Abbreviations Acronym Description DIP Dual In line Packag...

Page 15: ...ctors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether the NXP Semiconduct...

Page 16: ...oduct s described herein have been included in section Legal information 7 Contents 1 Introduction 3 2 Description 3 2 1 Power connectivity 5 2 2 Board power and mode DIP switch SW1 6 2 3 DIP switch s...