TCA6507_16 Datasheet, PDF (30/45 Pages) Texas Instruments – Low-Voltage 7-Bit I2C and SMBus LED Driver

TCA6507
SCPS164C – MAY 2007 – REVISED JANUARY 2016
BYTE #
1
2
3
4
5
6
7
8
9
10
11
BYTE
0x89
0x10
0x04
0x05
0x06
0x48
0x66
0x68
0x86
0x8A
0x9F
Table 25. Writing to Registers
DESCRIPTION
Address and write bit
Command byte with auto-increment
Write to SELECT0 register
Write to SELECT1 register
Write to SELECT2 register
Write to Fade-ON Time register
Write to Fully-ON Time register
Write to Fade-OFF Time register
Write to First Fully-OFF Time register
Write to Second Fully-OFF Time register
Write to Maximum Brightness register
After the above bytes are written to the device, the LEDs blinks according to the defined pattern.
9.2.3 Application Curve
100%
Intensity
0%
Approximately 25%
Approximately 75%
www.ti.com
V_OH
I/O port
Voltage
V_OL
8 ms 2 ms
8 ms 6 ms
Figure 24. Output Port Voltage vs LED Intensity, Maximum Intensity = 100%
30
Submit Documentation Feedback
Product Folder Links: TCA6507
Copyright © 2007–2016, Texas Instruments Incorporated