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LP8556 датащи(PDF) 35 Page - Texas Instruments

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номер детали LP8556
подробное описание детали  High-Efficiency LED Backlight Driver for Tablets
PDF  63 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LP8556 датащи(HTML) 35 Page - Texas Instruments

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LP8556
www.ti.com
SNVS871I – JULY 2012 – REVISED MARCH 2016
Product Folder Links: LP8556
Submit Documentation Feedback
Copyright © 2012–2016, Texas Instruments Incorporated
8.6.1.4 Identification
Address 03h
Reset value 1111 1100b
IDENTIFICATION REGISTER
7
6
5
4
3
2
1
0
PANEL
MFG[3:0]
REV[2:0]
NAME
BIT
ACCESS
DESCRIPTION
PANEL
7
R
Panel ID code
MFG
6:3
R
Manufacturer ID code
REV
2:0
R
Revision ID code
8.6.1.5 Direct Control
Address 04h
Reset value 0000 0000b
DIRECT CONTROL REGISTER
7
6
5
4
3
2
1
0
OUT[5:0]
NAME
BIT
ACCESS
DESCRIPTION
OUT
5:0
R/W
Direct control of the LED outputs
0 = Normal operation. LED output are controlled with the adaptive dimming block
1 = LED output is forced to 100% PWM.
8.6.1.6 LED String Enable
Address 16h
Reset value 0011 1111b
TEMP LSB REGISTER
7
6
5
4
3
2
1
0
LED_EN[5:0]
NAME
BIT
ACCESS
DESCRIPTION
LED_EN
5:0
R/W
Bits 5:0 correspond to LED Strings 6:1 respectively.
Bit value 1 = LED String Enabled
Bit value 0 = LED String Disabled
Note: To disable string(s), it is recommended to disable higher order string(s). For
example, for 5-string configuration, disable 6th String. For 4-string configuration,
disable 6th and 5th string. These bits are ANDed with the internal LED enable bits
that are generated with the PS_MODE logic.



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