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LP8866S-Q1 Datasheet(PDF) 64 Page - Texas Instruments

Part # LP8866S-Q1
Description  LP8866S-Q1 Automotive Display LED-backlight Driver with Six 150-mA Channels
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP8866S-Q1 Datasheet(HTML) 64 Page - Texas Instruments

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8.2.3 SEPIC Mode Application
When LED string voltage can be above and below the input voltage level, use the SEPIC configuration. In
SEPIC mode, the SW pin detects a maximum voltage equal to the sum of the input and output voltages, a
consideration when selecting components.
L
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
FB
VDD
LP8866(S)-Q1
ISNSGND
PWM
VIN
EN
BST_FSET
COUT
ISNS
GD
PWM_FSET
LED_SET
BST_SYNC
CIN
SGND
SCL
SDA
INT
ISET
SD
MODE
LED_GND
PGND
VOUT
VSENSE_N
VSENSE_P
RISENSE
C1N
C1P
CPUMP
UVLO
DISCHARGE
VDD
HOST
I2C
VDD
CVDD
C2x
CPUMP
RG
RSENSE
RFB1
RFB2
RISET
RUVLO1
RUVLO2
RSD
RMODE
RBST_FSET
RPWM_FSET
RLED_SET
CS1
CS2
RS
L2
Figure 8-6. SEPIC Mode with Three LEDs in Series
LP8866S-Q1
SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021
www.ti.com
64
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Product Folder Links: LP8866S-Q1


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