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LP8550TLX-A/NOPB Datenblatt(PDF) 26 Page - Texas Instruments

Teilenummer LP8550TLX-A/NOPB
Bauteilbeschribung  LP8550 High-Efficiency LED Backlight Driver for Notebooks
PDF  49 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP8550TLX-A/NOPB Datenblatt(HTML) 26 Page - Texas Instruments

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EEPROM
NVM
8 x 8 bits
REGISTERS
ADDRESS 00h...72h
Startup or
EE_READ=1
User
Device Control
EEPROM
REGISTERS
Address A0h...A7h
EE_PROG = 1
Device Control
LP8550
SNVS657E – SEPTEMBER 2010 – REVISED SEPTEMBER 2014
www.ti.com
Figure 26. EEPROM Control Structure
8.6 Register Maps
Table 6. Register Map
ADDR
REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
DEFAULT
00H
Brightness Control
BRT[7:0]
0000 0000
01H
Device Control
BRT_MODE[1:0]
BL_CTL
0000 0000
02H
Fault
OPEN
SHORT
2_CHANNELS
1_CHANNEL
BL_FAULT
OCP
TSD
UVLO
0000 0000
03H
ID
PANEL
MFG[3:0]
REV[2:0]
1111 1100
04H
Direct Control
OUT[6:1]
0000 0000
05H
Temp MSB
TEMP[10:3]
0000 0000
06H
Temp LSB
TEMP[2:0]
0000 0000
72H
EEPROM_control
EE_READY
EE_INIT
EE_PROG
EE_READ
0000 0000
8.6.1 Register Bit Explanations
8.6.1.1 Brightness Control
Address 00h
Reset value 0000 0000b
BRIGHTNESS CONTROL REGISTER
7
6
5
4
3
2
1
0
BRT[7:0]
Name
Bit
Access
Description
BRT
7:0
R/W
Backlight PWM 8-bit linear control.
8.6.1.2 Device Control
Address 01h
Reset value 0000 0000b
DEVICE CONTROL REGISTER
7
6
5
4
3
2
1
0
BRT_MODE[1:0]
BL_CTL
Name
Bit
Access
Description
26
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Copyright © 2010–2014, Texas Instruments Incorporated
Product Folder Links: LP8550



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