ADP8860ACBZ-R7 datasheet(33/52 Pages) AD

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ADP8860

Rev. 0 | Page 33 of 52

Backlight Level 1 (Daylight) Maximum Current Register (BLMX1)—Register 0x09

Table 26. BLMX1 Bit Map

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

BL1_MC

Table 27. Bit Descriptions for the BLMX1 Register

Bit Name

Bit No.

Description

N/A

Reserved.

BL1_MC

6:0

Backlight maximum Level 1 (daylight) current. The backlight maximum current can be set according to

the linear or square law function, as follows (see Table 28 for a complete list of values):

DAC

Linear Law (mA)

Square Law (mA)

0000000

0000001

0.236

0.002

0000010

0.472

0.007

0000011

0.708

0.017

…

1111111

Table 28. Linear and Square Law Currents Per DAC Code

DAC Code

Linear Law (mA)

Square Law1 (mA)

0x00

0.000

0x01

0.236

0.002

0x02

0.472

0.007

0x03

0.709

0.017

0x04

0.945

0.030

0x05

1.181

0.047

0x06

1.417

0.067

0x07

1.654

0.091

0x08

1.890

0.119

0x09

2.126

0.151

0x0A

2.362

0.186

0x0B

2.598

0.225

0x0C

2.835

0.268

0x0D

3.071

0.314

0x0E

3.307

0.365

0x0F

3.543

0.419

0x10

3.780

0.476

0x11

4.016

0.538

0x12

4.252

0.603

0x13

4.488

0.671

0x14

4.724

0.744

0x15

4.961

0.820

0x16

5.197

0.900

0x17

5.433

0.984

0x18

5.669

1.071

0x19

5.906

1.163

0x1A

6.142

1.257

0x1B

6.378

1.356

0x1C

6.614

1.458

0x1D

6.850

1.564

0x1E

7.087

1.674

DAC Code

Linear Law (mA)

Square Law1 (mA)

0x1F

7.323

1.787

0x20

7.559

1.905

0x21

7.795

2.026

0x22

8.031

2.150

0x23

8.268

2.279

0x24

8.504

2.411

0x25

8.740

2.546

0x26

8.976

2.686

0x27

9.213

2.829

0x28

9.449

2.976

0x29

9.685

3.127

0x2A

9.921

3.281

0x2B

10.157

3.439

0x2C

10.394

3.601

0x2D

10.630

3.767

0x2E

10.866

3.936

0x2F

11.102

4.109

0x30

11.339

4.285

0x31

11.575

4.466

0x32

11.811

4.650

0x33

12.047

4.838

0x34

12.283

5.029

0x35

12.520

5.225

0x36

12.756

5.424

0x37

12.992

5.627

0x38

13.228

5.833

0x39

13.465

6.043

0x3A

13.701

6.257

0x3B

13.937

6.475

0x3C

14.173

6.696

0x3D

14.409

6.921

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