PCA9952TW,118 NXP Semiconductors, PCA9952TW,118 Datasheet - Page 47

• Manufacturer Part Number: PCA9952TW,118
• Description: LED Lighting Drivers 16-ch Fm+ I2C-bus 57 mA LED driver
• Manufacturer: NXP Semiconductors

Specifications of PCA9952TW,118

• Rohs: yes
• Input Voltage: 3 V to 5.5 V
• Operating Frequency: 31.25 kHz
• Maximum Supply Current: 15 mA
• Output Current: 62 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Factory Pack Quantity: 2500

NXP Semiconductors
25. Contents
1
2
3
4
4.1
5
6
6.1
6.2
7
7.1
7.1.1
7.1.2
7.1.3
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
7.3.10
7.3.11
7.3.12
7.3.13
7.3.14
7.3.15
7.3.15.1
7.3.16
7.3.16.1
7.3.16.2
7.3.17
7.4
7.5
7.6
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 8
Regular I
LED All Call I
LED bit Sub Call I
Register definitions . . . . . . . . . . . . . . . . . . . . . 11
LEDOUT0 to LEDOUT3, LED driver output
state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
GRPPWM, group duty cycle control . . . . . . . . 14
PWM0 to PWM15, individual brightness
control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
IREF0 to IREF15, LEDn output current value
registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
OFFSET — LEDn output delay offset
register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
LED bit Sub Call I
PCA9952/55 . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ALLCALLADR, LED All Call I
RESERVED1 . . . . . . . . . . . . . . . . . . . . . . . . . 18
RESERVED2, RESERVED3 . . . . . . . . . . . . . 18
PWMALL — brightness control for all LEDn
IREFALL register: output current value for all
LED driver constant current outputs . . . . . . . . 19
Overtemperature protection . . . . . . . . . . . . . . 22
Active LOW output enable input . . . . . . . . . . . 22
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
Device addresses . . . . . . . . . . . . . . . . . . . . . . . 8
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 9
MODE1 — Mode register 1 . . . . . . . . . . . . . . 13
MODE2 — Mode register 2 . . . . . . . . . . . . . . 13
GRPFREQ, group frequency . . . . . . . . . . . . . 15
address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
LEDn outputs . . . . . . . . . . . . . . . . . . . . . . . . . 19
Adjusting output peak current . . . . . . . . . . . . . 19
LED error detection . . . . . . . . . . . . . . . . . . . . 21
Open-circuit detection principle . . . . . . . . . . . 21
Short-circuit detection principle. . . . . . . . . . . . 22
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 23
Hardware reset recovery . . . . . . . . . . . . . . . . 23
2
C-bus slave address. . . . . . . . . . . . . 8
2
C-bus address . . . . . . . . . . . . . . 8
2
2
C-bus addresses. . . . . . . . . 9
C-bus addresses for
2
C-bus
16-channel Fm+ I
7.7
7.8
8
8.1
8.1.1
8.2
8.3
9
10
10.1
11
12
13
14
15
16
17
18
18.1
18.2
18.3
18.4
19
20
21
22
23
23.1
23.2
23.3
23.4
24
25
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. 2013.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Characteristics of the I
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 27
Application design-in information. . . . . . . . . 31
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 33
Thermal characteristics . . . . . . . . . . . . . . . . . 33
Static characteristics . . . . . . . . . . . . . . . . . . . 34
Dynamic characteristics. . . . . . . . . . . . . . . . . 35
Test information . . . . . . . . . . . . . . . . . . . . . . . 37
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 38
Handling information . . . . . . . . . . . . . . . . . . . 39
Soldering of SMD packages . . . . . . . . . . . . . . 39
Soldering: PCB footprints . . . . . . . . . . . . . . . 42
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 43
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Revision history . . . . . . . . . . . . . . . . . . . . . . . 44
Legal information . . . . . . . . . . . . . . . . . . . . . . 45
Contact information . . . . . . . . . . . . . . . . . . . . 46
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2
Software reset . . . . . . . . . . . . . . . . . . . . . . . . 23
Individual brightness control with group
dimming/blinking . . . . . . . . . . . . . . . . . . . . . . 24
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
START and STOP conditions. . . . . . . . . . . . . 25
System configuration . . . . . . . . . . . . . . . . . . . 25
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 26
Thermal considerations . . . . . . . . . . . . . . . . . 31
Introduction to soldering. . . . . . . . . . . . . . . . . 39
Wave and reflow soldering. . . . . . . . . . . . . . . 39
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 39
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 40
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 45
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 46
C-bus 57 mA constant current LED driver
PCA9952; PCA9955
Document identifier: PCA9952_PCA9955
2
C-bus . . . . . . . . . . . . 25
Date of release: 22 April 2013
All rights reserved.