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| TLC5954 Datasheet, PDF (11/45 Pages) Texas Instruments – TLC5954 48-Channel, Constant-Current LED Driver with Global Brightness Control, LED Open-Short Detection, and Power-Save Mode | |||
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7 Parameter Measurement Information
7.1 Pin Equivalent Input and Output Schematic Diagrams
VCC
TLC5954
SBVS241 â APRIL 2014
VCC
INPUT
OUTPUT
GND
Figure 16. SIN, SCLK, LAT, BLANK
GND
Figure 17. SOUT
VCC
(1) X = R, G, or B. n = 0 to 15.
7.2 Test Circuits
VCC
OUTR0
OUTXn(1)
GND OUTB15
VOUTfix
VOUTXn(1)
Figure 18. OUTXn
VCC
VCC
OUTXn(2)
GND
RL
CL(1)
VLED
(1) CL 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
OUTXn
VCC
VCC
SOUT
GND
CL(1)
(1) CL includes measurement probe and jig capacitance.
Figure 20. Rise and Fall Time Test Circuit for
SOUT
VCC
VCC
OUTR0
OUTXn(1)
GND OUTB15
VOUTfix
VOUTXn(1)
(1) X = R, G, or B. n = 0 to 15.
Figure 21. Constant-Current Test Circuit for OUTXn
Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: TLC5954
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