CAT3626 Datasheet, PDF (11/16 Pages) Catalyst Semiconductor – 6-Channel LED Driver with I2C Interface

CAT3626
The Table 7 lists the various LED currents with the associated RegA, RegB, and RegC register values.
Table 7. LED CURRENT SELECTION AND REGISTER VALUE (Note 4)
LED
Current
(mA)
D7 D6 D5 D4 D3 D2 D1 D0 Dec
0.5
XX00 000 0
0
1.0
XX00 000 1
1
1.5
XX00 001 0
2
2.0
XX00 001 1
3
2.5
XX00 010 0
4
3.0
XX00 010 1
5
3.5
XX00 011 0
6
4.0
XX00 011 1
7
4.5
XX00 100 0
8
5.0
XX00 100 1
9
5.5
X X 0 0 1 0 1 0 10
6.0
X X 0 0 1 0 1 1 11
6.5
X X 0 0 1 1 0 0 12
7.0
X X 0 0 1 1 0 1 13
7.5
X X 0 0 1 1 1 0 14
8.0
X X 0 0 1 1 1 1 15
8.5
X X 0 1 0 0 0 0 16
9.0
X X 0 1 0 0 0 1 17
9.5
X X 0 1 0 0 1 0 18
10.0
X X 0 1 0 0 1 1 19
10.5
X X 0 1 0 1 0 0 20
11.0
X X 0 1 0 1 0 1 21
11.5
X X 0 1 0 1 1 0 22
12.0
X X 0 1 0 1 1 1 23
12.5
X X 0 1 1 0 0 0 24
13.0
X X 0 1 1 0 0 1 25
13.5
X X 0 1 1 0 1 0 26
14.0
X X 0 1 1 0 1 1 27
14.5
X X 0 1 1 1 0 0 28
15.0
X X 0 1 1 1 0 1 29
15.5
X X 0 1 1 1 1 0 30
16.0
X X 0 1 1 1 1 1 31
4. X = not used, 1 = logic high, 0 = logic low
LED
Current
(mA)
D7 D6 D5 D4 D3 D2 D1 D0 Dec
16.5
X X 1 0 0 0 0 0 32
17.0
X X 1 0 0 0 0 1 33
17.5
X X 1 0 0 0 1 0 34
18.0
X X 1 0 0 0 1 1 35
18.5
X X 1 0 0 1 0 0 36
19.0
X X 1 0 0 1 0 1 37
19.5
X X 1 0 0 1 1 0 38
20.0
X X 1 0 0 1 1 1 39
20.5
X X 1 0 1 0 0 0 40
21.0
X X 1 0 1 0 0 1 41
21.5
X X 1 0 1 0 1 0 42
22.0
X X 1 0 1 0 1 1 43
22.5
X X 1 0 1 1 0 0 44
23.0
X X 1 0 1 1 0 1 45
23.5
X X 1 0 1 1 1 0 46
24.0
X X 1 0 1 1 1 1 47
24.5
X X 1 1 0 0 0 0 48
25.0
X X 1 1 0 0 0 1 49
25.5
X X 1 1 0 0 1 0 50
26.0
X X 1 1 0 0 1 1 51
26.5
X X 1 1 0 1 0 0 52
27.0
X X 1 1 0 1 0 1 53
27.5
X X 1 1 0 1 1 0 54
28.0
X X 1 1 0 1 1 1 55
28.5
X X 1 1 1 0 0 0 56
29.0
X X 1 1 1 0 0 1 57
29.5
X X 1 1 1 0 1 0 58
30.0
X X 1 1 1 0 1 1 59
30.5
X X 1 1 1 1 0 0 60
31.0
X X 1 1 1 1 0 1 61
31.5
X X 1 1 1 1 1 0 62
32.0
X X 1 1 1 1 1 1 63
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