NXP Semiconductors
PCA9633
4-bit Fm+ I
2
C-bus LED driver
© NXP B.V. 2008. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 25 July 2008
Document identifier: PCA9633_5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
22. Contents
1 General description . . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4 Ordering information . . . . . . . . . . . . . . . . . . . . . 3
5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 5
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
7 Functional description . . . . . . . . . . . . . . . . . . . 8
7.1 Device addresses . . . . . . . . . . . . . . . . . . . . . . . 8
7.1.1 Regular I
2
C-bus slave address. . . . . . . . . . . . . 8
7.1.2 LED All Call I
2
C-bus address . . . . . . . . . . . . . . 9
7.1.3 LED Sub Call I
2
C-bus addresses . . . . . . . . . . . 9
7.1.4 Software Reset I
2
C-bus address . . . . . . . . . . . 9
7.2 Control register . . . . . . . . . . . . . . . . . . . . . . . . 10
7.3 Register definitions . . . . . . . . . . . . . . . . . . . . . 11
7.3.1 Mode register 1, MODE1 . . . . . . . . . . . . . . . . 12
7.3.2 Mode register 2, MODE2 . . . . . . . . . . . . . . . . 12
7.3.3 PWM registers 0 to 3, PWMx — Individual
brightness control registers . . . . . . . . . . . . . . 13
7.3.4 Group duty cycle control, GRPPWM . . . . . . . 13
7.3.5 Group frequency, GRPFREQ . . . . . . . . . . . . . 14
7.3.6 LED driver output state, LEDOUT . . . . . . . . . 14
7.3.7 I
2
C-bus subaddress 1 to 3, SUBADRx . . . . . . 15
7.3.8 LED All Call I
2
C-bus address, ALLCALLADR. 15
7.4 Active LOW output enable input . . . . . . . . . . . 16
7.5 Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 16
7.6 Software Reset . . . . . . . . . . . . . . . . . . . . . . . . 17
7.7 Using the PCA9633 with and without
external drivers . . . . . . . . . . . . . . . . . . . . . . . . 18
7.8 Individual brightness control with group
dimming/blinking. . . . . . . . . . . . . . . . . . . . . . . 20
8 Characteristics of the I
2
C-bus. . . . . . . . . . . . . 21
8.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1.1 START and STOP conditions . . . . . . . . . . . . . 21
8.2 System configuration . . . . . . . . . . . . . . . . . . . 21
8.3 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 22
9 Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 23
10 Application design-in information . . . . . . . . . 26
11 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 27
12 Static characteristics. . . . . . . . . . . . . . . . . . . . 28
13 Dynamic characteristics . . . . . . . . . . . . . . . . . 29
14 Test information. . . . . . . . . . . . . . . . . . . . . . . . 31
15 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 32
16 Handling information. . . . . . . . . . . . . . . . . . . . 38
17 Soldering of SMD packages . . . . . . . . . . . . . . 38
17.1 Introduction to soldering. . . . . . . . . . . . . . . . . 38
17.2 Wave and reflow soldering . . . . . . . . . . . . . . . 38
17.3 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 38
17.4 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 39
18 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 40
19 Revision history . . . . . . . . . . . . . . . . . . . . . . . 41
20 Legal information . . . . . . . . . . . . . . . . . . . . . . 42
20.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 42
20.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
20.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 42
20.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 42
21 Contact information . . . . . . . . . . . . . . . . . . . . 42
22 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
