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| LP3954 Datasheet, PDF (39/60 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit | |||
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www.ti.com
EXAMPLE 2
CIN CVDD1
10 éF 100 nF
L1
4.7 éH
D1
SW
BATTERY
VDD2
VDD1
CVDDA
1 éF
RRGB
VDDA
CREF
100 nF
VREF
IRGB
IRT
RRT
LP3954
MCU
CVDDIO
100 nF
SO
SI
SCK/SCL
SS/SDA
SYNC/PWM
VDDIO
IF_SEL
CAMERA
FLASH_EN
LDO 2.8V
TEMPERATURE
SENSOR
ASE
GNDS
FB
WLED1
WLED2
WLED3
WLED4
WLED5
WLED6
R1
G1
B1
R2
G2
B2
FLASH
IFLASH
LP3954
SNVS340D â JUNE 2005 â REVISED MARCH 2013
IMAX = 300...400 mA
VOUT = 4...5.3V
COUT
10 éF
SMART
PHONE
BACKLIGHT
KEYPAD
LEDS
VBAT
RGB
INDICATION
LED
RFLASH
SINGLE
WHITE
FLASH LED
300 mA
⢠6 WHITE LED BACKLIGHT
⢠KEY PAD LIGHTS
⢠RGB INDICATION LED
⢠WHITE SINGLE LED FLASH
⢠TEMPERATURE SENSOR
Figure 44. Smart Phone
Copyright © 2005â2013, Texas Instruments Incorporated
Product Folder Links: LP3954
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