lp5526tlx National Semiconductor Corporation, lp5526tlx Datasheet - Page 29

• Manufacturer Part Number: lp5526tlx
• Description: Lighting Management Unit With High Voltage Boost Converter With Up To 150ma Serial Flash Led Driver
• Manufacturer: National Semiconductor Corporation

LP5526 Register Bit Explanations
RGB MAX CURRENT (02H) – MAXIMUM RGB CURRENT CONTROL REGISTER
WLED CONTROL (03H) – WLED CONTROL REGISTER
R - 0
SAFETY_SET
D7
R - 0
D7
R - 0
D6
SAFETY_SET
IR[1:0]
IG[1:0]
IB[1:0]
SLOPE
FADE_SEL
EN_FADE
DISPL
EN_MAIN
EN_SUB
R - 0
D6
SLOPE
RW - 0
D5
IR,IG,IB[1:0]
RW - 0
D5
00
01
10
11
FADE_SEL
Bit 7
Bits 5-4
Bits 3-2
Bits 1-0
Maximum current for RGB driver
RW - 0
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IR[1:0]
D4
0 – fade execution time 0.65 sec (full scale)
1 – fade execution time 1.3 sec (full scale)
0 – fade control for MAIN
1 – fade control for SUB
0 – automatic fade disabled
1 – automatic fade enabled
0 - MAIN and SUB individual control
1 - MAIN and SUB controlled with MAIN DAC
0 – MAIN output disabled
1 – MAIN output enabled
0 – SUB output disabled
1 – SUB output enabled
RW - 0
D4
(Continued)
Maximum output current
0 – safety function not activated
1 – safety function activated
RLED maximum current
GLED maximum current
BLED maximum current
29
EN_FADE
RW - 0
0.25 x I
0.50 x I
0.75 x I
1.00 x I
D3
RW - 0
D3
MAX
MAX
MAX
MAX
IG[1:0]
RW - 0
DISPL
D2
RW - 0
D2
EN_MAIN
RW - 0
D1
RW - 0
D1
IB[1:0]
EN_SUB
RW - 0
RW - 0
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D0
D0