LP8551TLXSLASHNOPB datasheet(30/47 Pages) TI1

Part #	LP8551TLX/NOPB

Description	LP8551 High-Efficiency LED Backlight Driver for Notebooks

PDF	47 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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30 / 47 page

LP8551

SNVS673E – APRIL 2010 – REVISED SEPTEMBER 2014

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8.6.2.3 EEPROM Address 1

Address A1h

EEPROM ADDRESS 1 U

BOOST_FREQ[1:0]

EN_LED_FAULT

TEMP_LIM[1:0]

SLOPE[2:0]

Name

Bit

Access

Description

BOOST_FREQ

7:6

R/W

Boost Converter Switch Frequency

00 = 156 kHz

01 = 312 kHz

10 = 625 kHz

11 = 1250 kHz

EN_LED_FAULT

R/W

Enable LED fault detection

0 = LED fault detection disabled

1 = LED fault detection enabled

TEMP_LIM

4:3

R/W

Thermal deration function temperature threshold

00 = thermal deration function disabled

01 = 110°C

10 = 120°C

11 = 130°C

SLOPE

2:0

R/W

Slope time for brightness change

000 = Slope function disabled, immediate brightness change

001 = 50 ms

010 = 75 ms

011 = 100 ms

100 = 150 ms

101 = 200 ms

110 = 300 ms

111 = 500 ms

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LP8551TLX/NOPB Datasheet(PDF) 30 Page - Texas Instruments

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