tb62719af TOSHIBA Semiconductor CORPORATION, tb62719af Datasheet - Page 22

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tb62719af

Manufacturer Part Number
tb62719af
Description
16ch Constant Current Drivers And Controller For Full-color Led Modules And Panels
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
Reference Table: Output Current Setting Vales (1)
Note 1: **: Indicates post-reset initialization value (RESET= L).
Note 2: The formula for calculating resistance settings is as follows: This value is theory value. Actual current value contains error and so on in this value.
No.
3
2
1
0
REXT [kΩ] = { (1.8 × current rate 1 × current rate 2 × current rate 3) × (current rate 4 × 34.5) } ÷ output current [mA]
DAC1 (2 bit)
Input Data
**00
11
10
01
Current Rate1
**0.25
1.00
0.75
0.50
No.
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DAC2 (6 bit)
Input Data
**000000
111111
111110
111101
111100
111011
111010
111001
111000
110111
110110
110101
110100
110011
110010
110001
110000
101111
101110
101101
101100
101011
101010
101001
101000
100111
100110
100101
100100
100011
100010
100001
100000
011111
011110
011101
011100
011011
011010
011001
011000
010111
010110
010101
010100
010011
010010
010001
010000
001111
001110
001101
001100
001011
001010
001001
001000
000111
000110
000101
000100
000011
000010
000001
Current Rate2
1.000
0.990
0.981
0.971
0.962
0.952
0.943
0.933
0.924
0.914
0.905
0.895
0.886
0.876
0.867
0.857
0.848
0.838
0.829
0.819
0.820
0.800
0.791
0.781
0.771
0.762
0.752
0.743
0.733
0.724
0.714
0.705
0.695
0.686
0.676
0.667
0.657
0.648
0.638
0.629
0.619
0.610
0.600
0.591
0.581
0.571
0.562
0.552
0.543
0.533
0.524
0.514
0.505
0.495
0.486
0.476
0.467
0.457
0.448
0.438
0.429
0.419
0.410
**0.4
22
No.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DAC3 (5 bit)
Input Data
**11111
11110
11101
11100
11011
11010
11001
11000
10111
10110
10101
10100
10011
10010
10001
10000
01111
01110
01101
01100
01011
01010
01001
01000
00111
00110
00101
00100
00011
00010
00001
00000
Current Rate3
**1.000
0.984
0.968
0.952
0.936
0.919
0.903
0.887
0.871
0.855
0.839
0.823
0.807
0.790
0.774
0.758
0.742
0.726
0.710
0.694
0.677
0.661
0.645
0.629
0.613
0.597
0.581
0.565
0.549
0.532
0.516
0.500
No.
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DAC4 (6 bit)
Input Data
**000000
111111
111110
111101
111100
111011
111010
111001
111000
110111
110110
110101
110100
110011
110010
110001
110000
101111
101110
101101
101100
101011
101010
101001
101000
100111
100110
100101
100100
100011
100010
100001
100000
011111
011110
011101
011100
011011
011010
011001
011000
010111
010110
010101
010100
010011
010010
010001
010000
001111
001110
001101
001100
001011
001010
001001
001000
000111
000110
000101
000100
000011
000010
000001
TB62719AF
2004-05-12
Current Rate4
1.000
0.987
0.975
0.962
0.949
0.937
0.924
0.911
0.898
0.886
0.873
0.860
0.848
0.835
0.822
0.810
0.797
0.784
0.771
0.759
0.746
0.733
0.721
0.708
0.695
0.683
0.670
0.657
0.644
0.632
0.619
0.606
0.594
0.581
0.568
0.556
0.543
0.530
0.517
0.505
0.492
0.479
0.467
0.454
0.441
0.429
0.416
0.403
0.390
0.378
0.365
0.352
0.340
0.327
0.314
0.302
0.289
0.276
0.263
0.251
0.238
0.225
0.213
0.200

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