LP5526TL/NOPB National Semiconductor, LP5526TL/NOPB Datasheet - Page 27

• Manufacturer Part Number: LP5526TL/NOPB
• Description: IC LED DRVR WT/RGB BCKLT 25-USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LED, RGB (I²C Interface)r

Specifications of LP5526TL/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight, Light Management Unit (LMU)
• Type - Secondary: RGB, White LED
• Frequency: 1MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Voltage - Output: 8 V ~ 20 V
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 150mA
• Internal Switch(s): Yes
• Efficiency: 88%
• For Use With: LP5526TLEV - BOARD EVAL LP5526 LMU LED DRIVER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP5526TLTR

RGB MAX CURRENT (02H) – MAXIMUM RGB CURRENT CONTROL REGISTER
WLED CONTROL (03H) – WLED CONTROL REGISTER
SAFETY_SET
R - 0
R - 0
D7
D7
R - 0
R - 0
D6
D6
SAFETY_SET
IR[1:0]
IG[1:0]
IB[1:0]
SLOPE
FADE_SEL
EN_FADE
DISPL
EN_MAIN
EN_SUB
IR,IG,IB[1:0]
SLOPE
RW - 0
RW - 0
D5
D5
00
01
10
11
Bit 7
Bits 5-4
Bits 3-2
Bits 1-0
Maximum current for RGB driver
IR[1:0]
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FADE_SEL
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
RW - 0
D4
D4
0 – safety function not activated
1 – safety function activated
RLED maximum current
GLED maximum current
BLED maximum current
Maximum output current
27
0.25 × I
0.50 × I
0.75 × I
1.00 × I
EN_FADE
RW - 0
RW - 0
D3
D3
MAX
MAX
MAX
MAX
IG[1:0]
RW - 0
RW - 0
DISPL
D2
D2
EN_MAIN
RW - 0
RW - 0
D1
D1
IB[1:0]
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EN_SUB
RW - 0
RW - 0
D0
D0