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LP5520 Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza LP5520
Descripción Electrónicos  RGB Backlight LED Driver
PDF  46 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LP5520 Datasheet(HTML) 3 Page - Texas Instruments

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GNDT
1
2
3
4
5
A
B
C
D
E
SW
FB
GND
_SW
GOUT
BOUT
ROUT
S2_IN
GND
_LED
S1_IN
BRC
VDDA
VDDD
SO
SS/
SDA
GNDA
PWMR
IFSEL
PWMG
VDDIO
VLDO
NRST
PWMB
SI/
A0
SCK/
SCL
GNDT
1
2
3
4
5
A
B
C
D
E
SW
FB
GND
_SW
GOUT
BOUT
ROUT
S2_IN
GND
_LED
S1_IN
BRC
VDDA
VDDD
SI/
A0
SO
SCK/
SCL
GNDA
PWMR
IFSEL
PWMG
VDDIO
VLDO
NRST
PWMB
SS/
SDA
3
LP5520
www.ti.com
SNVS440B – MAY 2007 – REVISED MARCH 2016
Product Folder Links: LP5520
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
5 Pin Configuration and Function
YZR Packge
25-Pin DSBGA
Top View
YZR Packge
25-Pin DSBGA
Bottom View
Pin Functions
PIN
TYPE
DESCRIPTION
NUMBER
NAME
1A
VDDA
Power
Supply voltage for analog circuitry
1B
GNDT
Ground
Ground/Test
1C
S1_IN
Input
ADC input 1, input for temperature sensor
1D
BOUT
Output
Blue LED output
1E
GOUT
Output
Green LED output
2A
VLDO
Power
Internal LDO output
2B
BRC
Logic Input
Brightness control for all LED outputs
2C
S2_IN
Input
ADC input 2, input for optional second sensor
2D
PWMB
Logic Input
PWM control for output B
2E
ROUT
Output
Red LED output
3A
VDDIO
Power
Supply voltage for input/output buffers and drivers
3B
NRST
Logic Input
Master reset, active low
3C
PWMG
Logic Input
PWM control for output G
3D
GNDA
Ground
Ground for analog circuitry
3E
GND_LED
Ground
Ground for LED currents
4A
SS/SDA
Logic Input/Output
Slave select (SPI), serial data in/out (I2C)
4B
SCK/SCL
Logic Input
Clock (SPI/I2C)
4C
IFSEL
Logic Input
Interface selection (SPI or I2C-compatible, IF_SEL = 1 for SPI)
4D
PWMR
Logic Input
PWM control for output R
4E
GND_SW
Ground
Power switch ground
5A
SO
Logic Output
Serial data out (SPI)
5B
SI/A0
Logic Input
Serial input (SPI), address select (I2C)
5C
VDDD
Power
Supply voltage for digital circuitry
5D
FB
Input
Boost converter feedback
5E
SW
Output
Boost converter power switch



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