TCA6507_16 Datasheet, PDF (21/45 Pages) Texas Instruments – Low-Voltage 7-Bit I2C and SMBus LED Driver

www.ti.com
REGION
B1, B2
C1, C2
D
E
F
TCA6507
SCPS164C – MAY 2007 – REVISED JANUARY 2016
Table 5. Intensity Parameters (see Figure 19) (continued)
PARAMETER NAME
Fully-ON time
Fade-OFF time
First fully-OFF time
Second fully-OFF time
Maximum intensity
PARAMETER RANGE
0 to 16320 ms
(exponential trend)
0 to 16320 ms
(exponential trend)
0 to 16320 ms
(exponential trend)
0 to 16320 ms
(exponential trend)
0 to 100%
REGISTER
RANGE
0 to 15
0 to 15
0 to 15
0 to 15
0 to 15
REGISTER NAME
Fully-ON time
Fade-OFF time
First fully-OFF time
Second fully-OFF time
Maximum intensity
REGISTER
0x04
0x05
0x06
0x07
0x08
A1
B1
C1
D
A2
B2
C2
E
F or ALD
100%
Intensity
0%
Figure 19. LED Pattern Sections Per Bank
Approximately 25%
Approximately 75%
V_OH
I/O port
Voltage
V_OL
8 ms 2 ms
8 ms 6 ms
Figure 20. Output Port Voltage vs LED Intensity, Maximum Intensity = 100%
50%
Intensity
0%
Approximately
12.5%
Approximately 37.5%
V_OH
I/O port
Voltage
V_OL
8 ms 1 ms
8 ms 4 ms
8 ms 3 ms
Figure 21. Output Port Voltage vs LED Intensity, Maximum Intensity = 50%
Copyright © 2007–2016, Texas Instruments Incorporated
Product Folder Links: TCA6507
Submit Documentation Feedback
21