
R
ISENSE
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 300 mA/STRING
PGND
PAD
LGND
SGND
C
CPUMP
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 5 V
BOOST SYNC
V/H SYNC
BRIGHTNESS
NSS
ENABLE
FAULT
VDDIO
SCLK
MOSI
MISO
Typical Applications
9
SNVU382A – April 2014 – Revised June 2014
Copyright © 2014, Texas Instruments Incorporated
Description of the LP8860-Q1
Figure 2-2. Typical Application, SPI Control,
VDD = 5 V, Charge Pump Off, 2 Strings