pca9901 NXP Semiconductors, pca9901 Datasheet - Page 27

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pca9901

Manufacturer Part Number
pca9901
Description
One Wire Single Led Driver
Manufacturer
NXP Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
pca9901DP
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
pca9901DP,118
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
pca9901DPЈ¬118
Manufacturer:
NXP
Quantity:
2 500
NXP Semiconductors
21. Contents
1
2
3
4
4.1
5
6
7
7.1
7.2
8
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.3
8.4
8.5
8.6
8.7
8.8
8.8.1
8.8.2
8.8.3
8.8.4
8.9
8.10
8.11
8.12
9
10
11
12
13
14
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Application design-in information . . . . . . . . . 13
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
Static characteristics. . . . . . . . . . . . . . . . . . . . 14
Dynamic characteristics . . . . . . . . . . . . . . . . . 15
Tape and reel information . . . . . . . . . . . . . . . . 16
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Digital interface overview - CTRL pin . . . . . . . . 5
Command descriptions . . . . . . . . . . . . . . . . . . . 6
TRAINING START command . . . . . . . . . . . . . . 6
TRAINING END command . . . . . . . . . . . . . . . . 6
RUN ONCE command . . . . . . . . . . . . . . . . . . . 6
RUN command . . . . . . . . . . . . . . . . . . . . . . . . . 6
STOP command . . . . . . . . . . . . . . . . . . . . . . . . 6
RESET command . . . . . . . . . . . . . . . . . . . . . . . 7
State machine . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Lighting training sequence . . . . . . . . . . . . . . . . 8
TRAINING START and TRAINING END
commands waveforms . . . . . . . . . . . . . . . . . . . 9
RUN ONCE, RUN, STOP and RESET
commands waveforms . . . . . . . . . . . . . . . . . . . 9
Bypass mode . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Time-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CTRL LOW too long after receiving a
TRAINING START command . . . . . . . . . . . . . 10
CTRL HIGH too long during the training
sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CTRL LOW too long during the training
sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
‘Synchronization’ signal not generated
after RUN ONCE command . . . . . . . . . . . . . . 11
Current source generation . . . . . . . . . . . . . . . 11
Short-circuit and thermal protection . . . . . . . . 11
Shutdown mode . . . . . . . . . . . . . . . . . . . . . . . 12
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
15
15.1
15.2
15.3
15.4
16
16.1
16.2
16.3
16.3.1
16.3.2
16.3.3
16.3.4
17
18
19
19.1
19.2
19.3
19.4
20
21
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: salesaddresses@nxp.com
Soldering of SMD packages . . . . . . . . . . . . . . 20
Soldering of WLCSP packages . . . . . . . . . . . 22
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 24
Revision history . . . . . . . . . . . . . . . . . . . . . . . 25
Legal information . . . . . . . . . . . . . . . . . . . . . . 26
Contact information . . . . . . . . . . . . . . . . . . . . 26
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Introduction to soldering. . . . . . . . . . . . . . . . . 20
Wave and reflow soldering. . . . . . . . . . . . . . . 20
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 20
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 21
Introduction to soldering WLCSP
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Board mounting . . . . . . . . . . . . . . . . . . . . . . . 22
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 22
Stand off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Quality of solder joint . . . . . . . . . . . . . . . . . . . 24
Rework. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 26
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 26
One wire single LED driver
Date of release: 3 December 2009
Document identifier: PCA9901_1
PCA9901
All rights reserved.

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