PCA9626B NXP Semiconductors, PCA9626B Datasheet - Page 47

• Manufacturer Part Number: PCA9626B
• Description: IC, LED DRIVER, RGBA, 48-LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCA9626B

• No. Of Outputs: 24
• Output Current: 100mA
• Output Voltage: 40V
• Input Voltage: 2.3V To 5.5V
• Dimming Control Type: PWM
• Driver Case Style: LQFP
• Switching Frequency: 1MHz
• Base Number: 9626
• Operating: RoHS Compliant
• Led Driver Application: RGB Or RGBA LED Drivers, LED Status Information, Displays, Backlights
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Details

NXP Semiconductors
23. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.2
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.4
7.5
7.6
7.7
8
8.1
8.1.1
8.2
8.3
9
10
10.1
10.1.1
10.1.2
11
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 7
Characteristics of the I
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 28
Application design-in information . . . . . . . . . 31
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 34
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
Device addresses . . . . . . . . . . . . . . . . . . . . . . . 7
Regular I
LED All Call I
LED Sub Call I
Software Reset I
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 9
Register definitions . . . . . . . . . . . . . . . . . . . . . 10
Mode register 1, MODE1 . . . . . . . . . . . . . . . . 12
Mode register 2, MODE2 . . . . . . . . . . . . . . . . 12
PWM0 to PWM23, individual
brightness control . . . . . . . . . . . . . . . . . . . . . . 13
GRPPWM, group duty cycle control . . . . . . . . 14
GRPFREQ, group frequency . . . . . . . . . . . . . 14
CHASE control . . . . . . . . . . . . . . . . . . . . . . . . 15
LEDOUT0 to LEDOUT5, LED driver
output state . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SUBADR1 to SUBADR3, I
subaddress 1 to 3 . . . . . . . . . . . . . . . . . . . . . . 23
ALLCALLADR, LED All Call I
Active LOW output enable input . . . . . . . . . . . 24
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 24
Software reset. . . . . . . . . . . . . . . . . . . . . . . . . 24
Individual brightness control with group
dimming/blinking . . . . . . . . . . . . . . . . . . . . . . . 25
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
START and STOP conditions . . . . . . . . . . . . . 26
System configuration . . . . . . . . . . . . . . . . . . . 26
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 27
Junction temperature calculation . . . . . . . . . . 32
Example 1: T
(PCA9626B, LQFP48) . . . . . . . . . . . . . . . . . . 33
Example 2: T
known . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2
C-bus slave address . . . . . . . . . . . . . 7
2
j
j
C-bus address . . . . . . . . . . . . . . 8
calculation when T
calculation where only T
2
C-bus addresses . . . . . . . . . . . 8
2
C-bus address . . . . . . . . . . . 8
2
C-bus. . . . . . . . . . . . . 26
2
C-bus
2
C-bus address. 23
amb
is known
case
is
12
13
14
15
16
17
18
18.1
18.2
18.3
18.4
19
20
21
21.1
21.2
21.3
21.4
22
23
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Thermal characteristics . . . . . . . . . . . . . . . . . 35
Static characteristics . . . . . . . . . . . . . . . . . . . 36
Dynamic characteristics . . . . . . . . . . . . . . . . . 37
Test information. . . . . . . . . . . . . . . . . . . . . . . . 39
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 40
Handling information . . . . . . . . . . . . . . . . . . . 42
Soldering of SMD packages . . . . . . . . . . . . . . 42
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 44
Revision history . . . . . . . . . . . . . . . . . . . . . . . 45
Legal information . . . . . . . . . . . . . . . . . . . . . . 46
Contact information . . . . . . . . . . . . . . . . . . . . 46
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
24-bit Fm+ I
Introduction to soldering. . . . . . . . . . . . . . . . . 42
Wave and reflow soldering . . . . . . . . . . . . . . . 42
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 42
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 43
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 46
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 46
2
C-bus 100 mA 40 V LED driver
Document identifier: PCA9626_2
Date of release: 31 August 2009
PCA9626
All rights reserved.