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LP55281TL/NOPB 데이터시트(PDF) 3 Page - Texas Instruments

부품명 LP55281TL/NOPB
상세설명  LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface
PDF  42 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
Logo TI2 - Texas Instruments

LP55281TL/NOPB 데이터시트(HTML) 3 Page - Texas Instruments

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background image
SW
FB
B3
R1
G1
B1
G2
SCK/
SCL
IF_
SEL
B2
VDDA
VREF
GND
IRT
VDD1
GND_
RGB2
SS/
SDA
VDD2
SI/A0
R4
ASE1
G4
GNDA
GND_
RGB1
R2
IRGB
SO
VDDI
O
ASE2
G3
ALED
NRST
GND_
SW
R3
B4
1
2
3
4
5
6
GND
A
B
C
D
E
F
SW
FB
B3
R1
G1
B1
G2
SCK/
SCL
IF_
SEL
B2
VDDA
VREF
GND
IRT
VDD1
GND_
RGB2
SS/
SDA
VDD2
SI/A0
R4
ASE1
G4
GNDA
GND_
RGB1
R2
IRGB
SO
VDDI
O
ASE2
G3
ALED
NRST
GND_
SW
R3
B4
1
2
3
4
5
6
GND
A
B
C
D
E
F
3
LP55281
www.ti.com
SNVS458D – JUNE 2007 – REVISED OCTOBER 2016
Product Folder Links: LP55281
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
5 Pin Configuration and Functions
YPG and YZR Packages
36-Pin DSBGA
Top View
YPG and YZR Packages
36-Pin DSBGA
Bottom View
Pin Functions
PIN
TYPE
DESCRIPTION
NUMBER
NAME
1A
VDD2
Power
Supply voltage
1B
VDDA
Power
Internal LDO output
1C
VREF
Output
Reference voltage
1D
GNDA
Ground
Ground for analog circuitry
1E
B4
Output
Blue LED 4 output
1F
GND
Ground
Ground
2A
B2
Output
Blue LED 2 output
2B
IF_SEL
Logic Input
Interface (SPI or I2C compatible) selection (IF_SEL = 1 for SPI)
2C
IRT
Input
Oscillator frequency resistor
2D
ASE1
Input
Audio synchronization input 1
2E
G4
Output
Green LED 4 output
2F
ALED
Output
Audio Synchronized LED oautput
3A
G2
Output
Green LED 2 output
3B
SCK/SCL
Logic Input
Clock (SPI/I2C)
3C
VDDIO
Power
Supply voltage for input/output buffers and drivers
3D
VDD1
Power
Supply voltage
3E
R4
Output
Red LED 4 output
3F
NRST
Input
Asynchronous reset, active low
4A
R2
Output
Red LED 2 output
4B
SO
Logic Output
Serial data out (SPI)
4C
SI/A0
Logic Input
Serial input (SPI), address select (I2C)
4D
ASE2
Input
Audio synchronization input 2
4E
GND
Ground
Ground
4F
GND_RGB2
Ground
Ground for RGB3-4 currents
5A
GND_RGB1
Ground
Ground for RGB1-2 currents



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