LP5526

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SNVS431C – FEBRUARY 2006 – REVISED JULY 2009

CC_SW

5

0 = Constant current sink mode

1 = Switch mode

RSW

3

0 = RLED disabled

1 = RLED enabled

GSW

2

0 = GLED disabled

1 = GLED enabled

BSW

1

0 = BLED disabled

1 = BLED enabled

RGB REGISTER (01H)

COLOR[3:0]

7:4

Color for RGB LED output

BRIGHT[2:0]

3:1

Brightness control

OVL

0

0 = Non-overlapping mode

1 = Overlapping mode

Brightness control is logarithmic and is programmed as follows:

Bright[2:0]

Brightness [%]

Ratio to max brightness

000

0

0

001

1.56

1/64

010

3.12

1/32

011

6.25

1/16

100

12.5

1/8

101

25

1/4

110

50

1/2

111

100

1/1

RED

GREEN

BLUE

RGB COLOR

active [%]

active [%]

active [%]

0000

100

0

0

red

0001

0

100

0

green

0010

0

0

100

blue

0011

50

50

0

yellow

0100

0

50

50

cyan

0101

50

0

50

magenta

0110

33

33

33

white

0111

50

25

25

pink

1000

25

50

25

light green

1001

25

50

25

light blue

1010

25

25

50

orange

1011

75

25

0

deep pink

1100

0

75

25

spring green

1101

25

75

0

lawn green

1110

0

25

75

sky blue

1111

25

0

75

indigo

(1)

16 colors can be selected as follows. Please note that exact color depends on RGB LED current and type. Color setting is valid only in

non-overlapping mode.

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