SBVS241
April 2014
TLC5954
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Pin Equivalent Input and Output Schematic Diagrams
7.2
Test Circuits
7.3
Timing Diagrams
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Output Current Calculation
8.3.2
Status Information Data (SID)
8.3.3
LED Open Detection (LOD)
8.3.4
LED Short Detection (LSD)
8.3.5
Noise Reduction
8.4
Device Functional Modes
8.4.1
Maximum Constant Sink Current
8.4.2
Global Brightness Control (BC) Function: Sink Current Control
8.4.3
Constant-Current Output On or Off Control
8.4.4
Power-Save Mode
8.5
Register Maps
8.5.1
Register and Data Latch Configuration
8.5.1.1
Common Shift Register
8.5.1.2
Output On or Off Data Latch
8.5.1.3
Maximum Current Control (MC), Global Brightness Control (BC), and Function Control (FC) Data Latch
9
Applications and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Step-by-Step Design Procedure
9.2.2.2
Maximum Current (MC) Data
9.2.2.3
Global Brightness Control (BC) Data
9.2.2.4
On or Off Data
9.2.2.5
Other Control Data
9.2.2.6
Grayscale Control
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RTQ|56
MPQF168D
サーマルパッド・メカニカル・データ
RTQ|56
QFND498B
発注情報
sbvs241_oa
sbvs241_pm
7 Parameter Measurement Information
7.1 Pin Equivalent Input and Output Schematic Diagrams
Figure 16. SIN, SCLK, LAT, BLANK
Figure 17. SOUT
1. X = R, G, or B. n = 0 to 15.
Figure 18. OUTX
n
7.2 Test Circuits
1. C
L
includes measurement probe and jig capacitance.
2. X = R, G, or B. n = 0 to 15.
Figure 19. Rise and Fall Time Test Circuit for OUTX
n
1. C
L
includes measurement probe and jig capacitance.
Figure 20. Rise and Fall Time Test Circuit for SOUT
1. X = R, G, or B. n = 0 to 15.
Figure 21. Constant-Current Test Circuit for OUTX
n
7.3 Timing Diagrams
1. Input pulse rise and fall time is 1 ns to 3 ns.
Figure 22. Input Timing
1. Input pulse rise and fall time is 1 ns to 3 ns.
2. X = R, G, or B. n = 0 to 15.
Figure 23. Output Timing
1. X = R, G, or B. n = 0 to 15.
Figure 24. Data Write and OUTX
n
On or Off Timing Diagram
Figure 25. Power-Save Mode Timing Diagram (PSMODE = 01b)
Figure 26. Power-Save Mode Timing Diagram (PSMODE = 10b)