DLPA2000
ZHCSCO5B –JUNE 2014–REVISED FEBRUARY 2018
www.ti.com.cn
7.5.6 Regulation Current MSB, SW5
Figure 21. Regulation Current MSB, SW5, Address = 05h, HEX = 00
7
6
5
4
3
2
1
0
SW5MSB [47:40]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset.
Table 14. Regulation Current MSB, SW5 Field Descriptions(1)
BIT
FIELD
TYPE
R/W
R/W
RESET
0000
0000
DESCRIPTION
47:42
41:40
TBD
SW5MSB
SW5_IDAC<9:8>
(1) The DLPA2000 can use up to code 0x0FFh for SW5_IDAC[9:0].
7.5.7 Regulation Current LSB, SW5
Figure 22. Regulation Current LSB, SW5, Address = 06h, HEX = 00
7
6
5
4
3
2
1
0
SW5LSB [55:48]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset.
Table 15. Regulation Current LSB, SW5 Field Descriptions
BIT
FIELD
TYPE
R/W
RESET
DESCRIPTION
55:48
SW5LSB
00000000 SW5_IDAC<7:0>
Table 16. Regulation Current LSB, SW5 Bit Definitions
DLPA2000(1)(2)
SW5_IDAC[9:0]
0x000h
LED CURRENT
0 mA
SW5_IDAC[9:0]
0x100h
LED CURRENT
257 mA
SW5_IDAC[9:0]
0x200h
LED CURRENT
500 mA
0x00Ch
25 mA
26 mA
...
0x101h
0x102h
...
258 mA
259 mA
...
0x201h
0x202h
...
501 mA
502 mA
...
0x00Dh
...
0x0FEh
255 mA
256 mA
0x1FEh
0x1FFh
498 mA
499 mA
0x306h
0x307h
749 mA
750 mA
0x0FFh
(1) Values shown are for a typical DLPA2000 unit at T = 25°C. Typical step size is 0.95 mA for RLIM = 100 mΩ.
(2) The DLPA2000 can use up to code 0x307h for SW5_IDAC[9:0].
32
Copyright © 2014–2018, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
