參數(shù)資料
型號: LP39542TL
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)動器
英文描述: Advanced Lighting Management Unit
中文描述: LED DISPLAY DRIVER, PBGA36
封裝: 3 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, MICRO, SMD-36
文件頁數(shù): 14/58頁
文件大小: 2547K
代理商: LP39542TL
Command Based Pattern Generator
for Color LEDs
The LP39542 has an unique stand-alone command based
pattern generator with 8 user controllable 16-bit commands.
Since registers are 8-bit long one command requires 2 write
cycles. Each command has intensity level for each LED, com-
mand execution time (CET) and transition time (TT) as seen
in the following figures.
30008519
COMMAND REGISTER WITH 8 COMMANDS
COMMAND 1
ADDRESS 50H
ADDRESS 51H
ADDRESS 52H
ADDRESS 53H
ADDRESS 54H
ADDRESS 55H
ADDRESS 56H
ADDRESS 57H
ADDRESS 58H
ADDRESS 59H
ADDRESS 5AH
ADDRESS 5BH
ADDRESS 5CH
ADDRESS 5DH
ADDRESS 5EH
ADDRESS 5FH
R2
CET1
R2
CET1
R2
CET1
R2
CET1
R2
CET1
R2
CET1
R2
CET1
R2
CET1
R1
CET0
R1
CET0
R1
CET0
R1
CET0
R1
CET0
R1
CET0
R1
CET0
R1
CET0
R0
B2
R0
B2
R0
B2
R0
B2
R0
B2
R0
B2
R0
B2
R0
B2
G2
B1
G2
B1
G2
B1
G2
B1
G2
B1
G2
B1
G2
B1
G2
B1
G1
B0
G1
B0
G1
B0
G1
B0
G1
B0
G1
B0
G1
B0
G1
B0
G0
TT2
G0
TT2
G0
TT2
G0
TT2
G0
TT2
G0
TT2
G0
TT2
G0
TT2
CET3
TT1
CET3
TT1
CET3
TT1
CET3
TT1
CET3
TT1
CET3
TT1
CET3
TT1
CET3
TT1
CET2
TT0
CET2
TT0
CET2
TT0
CET2
TT0
CET2
TT0
CET2
TT0
CET2
TT0
CET2
TT0
COMMAND 2
COMMAND 3
COMMAND 4
COMMAND 5
COMMAND 6
COMMAND 7
COMMAND 8
COLOR INTENSITY CONTROL
Each color has 3-bit intensity level. Level control is logarith-
mic, 2 curves are selectable. The LOG bit in register 11H
defines the curve used as seen in the following table.
R[2:0], G[2:0],
B[2:0]
LOG=0
000
001
010
011
100
101
110
111
CURRENT
[% × I
MAX(COLOR)
]
LOG=1
0
1
2
4
10
21
46
100
0
7
14
21
32
46
71
100
30008520
www.national.com
14
L
相關(guān)PDF資料
PDF描述
LP39542TLX Advanced Lighting Management Unit
LP3954 Advanced Lighting Management Unit
LP3954RL Advanced Lighting Management Unit
LP3954RLX Advanced Lighting Management Unit
LP3954TL Advanced Lighting Management Unit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP39542TL/NOPB 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LP39542TLX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit
LP39542TLX/NOPB 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LP3954RL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit
LP3954RL/NOPB 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N