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R
ISENSE
C
FLY
R
SENSE
R
ISET
NTC
C
OUT
C
IN
Q1
SD
VSENSE_N
VSENSE_P
C1P
C1N
GD
ISENSE
ISENSE_GND
FB
SQW
OUT1
OUT2
OUT3
OUT4
TSENSE
ISET
UP TO 150 mA/STRING
PGND
PAD
LGND
SGND
C
CPUMP
C
VDD
VDD
CPUMP
FILTER
SYNC
VSYNC
PWM
SCLK/SCL
MOSI/SDA
MISO
NSS
VDDIO/EN
IF
FAULT
LP8860-Q1
Q2
D
L
VIN
3-40 V
VDD 3.3 V
BOOST SYNC
V/H SYNC
BRIGHTNESS
FAULT RESET
ENABLE
FAULT
VDDIO
Typical Applications
8
SNVU382A – April 2014 – Revised June 2014
Copyright © 2014, Texas Instruments Incorporated
Description of the LP8860-Q1
2.3
Typical Applications
Figure 2-1. Typical Application, Simple PWM Control,
VDD = 3.3 V, Charge Pump On, 4 Strings