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LP5520TL/NOPB датащи(PDF) 30 Page - Texas Instruments

номер детали LP5520TL/NOPB
подробное описание детали  LP5520 RGB Backlight LED Driver
PDF  45 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LP5520TL/NOPB датащи(HTML) 30 Page - Texas Instruments

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LP5520
SNVS440B – MAY 2007 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LP5520
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
current_control_B (03H) – Blue LED Current Control Register
7
6
5
4
3
2
1
0
cc_b[7]
cc_b[6]
cc_b[5]
cc_b[4]
cc_b[3]
cc_b[2]
cc_b[1]
cc_b[0]
rw-0
rw-1
rw-0
rw-1
rw-0
rw-1
rw-0
rw-1
pwm_brightness (04H) – Brightness Control Register
7
6
5
4
3
2
1
0
brc_off
bri[2]
bri[1]
bri[0]
r-0
r-0
r-0
rw-0
r-0
rw-0
rw-0
rw-0
brc_off
bri[2:0]
Bit 4
Bits 2-0
brc_off = 0 - stand-alone mode,
brightness is defined with external BRC signal
brc_off = 1 - brightness is defined with bri[2:0]
Control
Multiplier
Intensity %
0
0.008
0.8
1
0.016
1.6
10
0.031
3.1
11
0.063
6.3
100
0.125
12.5
101
0.250
25
110
0.500
50
111
1.000
100
boost_output (05H) – Boost Output Voltage Control Register
7
6
5
4
3
2
1
0
vprog[4]
vprog[3]
vprog[2]
vprog[1]
vprog[0]
r-0
r-0
r-0
r-0
rw-0
rw-0
rw-0
rw-0
vprog[4:0]
Bits 4 - 0
Adjustment
vprog[4:0]
Typical boost output voltage (V)
00101
5.0
00110
6.0
00111
7.0
01000
8.0
01001
9.0
01010
10.0
01011
11.0
01100
12.0
01101
13.0
01110
14.0
01111
15.0
10000
16.0
10001
17.0
10010
18.0
10011
19.0
10100
20.0



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