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What is TM1639?

This electronic component, produced by the manufacturer "Titan Micro", performs the same function as "LED drive control circuit dedicated".


TM1639 Datasheet PDF - Titan Micro

Part Number TM1639
Description LED drive control circuit dedicated
Manufacturers Titan Micro 
Logo Titan Micro Logo 


There is a preview and TM1639 download ( pdf file ) link at the bottom of this page.





Total 17 Pages



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No Preview Available ! TM1639 datasheet, circuit

一、 概述
LED 驱动控制专用电路
TM1639
TM1639是带键盘扫描接口的LED(发光二极管显示器)驱动控制专用电路,内部集
成有MCU 数字接口、数据锁存器、LED 高压驱动、键盘扫描等电路。主要应用于冰箱、
空调 、家庭影院等产品的高段位显示屏驱动。
二、 特性说明
• 采用功率CMOS 工艺
• 显示模式 8段×8 位
• 键扫描(4×2bit)
• 辉度调节电路(占空比8 级可调)
• 串行接口(CLK,STB,DIO)
• 振荡方式:RC 振荡(450KHz+5%)
• 内置上电复位电路
• 采用DIP24封装
三、、 管脚定义:
1
2
3
4
5
6
7
8
9
10
11
12
GRID4
GRID5
GRID3
GRID6
GND
GND
GRID2
GRID7
GRID1
GRID8
DIO SEG12
CLK
STB
TM1639
SEG11
SEG10
K0 SEG9
K1 SEG4/KS4
VDD
SEG3/KS3
SEG1/KS1
SEG2/KS2
24
23
22
21
20
19
18
17
16
15
14
13
www.titanmec.com
-1-

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TM1639 equivalent
7.2 地址命令设设置
MSB
B7 B6 B5 B4
11
11
11
11
11
11
11
1 1 无关项,
11
填0
11
11
11
11
11
11
11
LED 驱动控制专用电路
LSB
B3 B2 B1 B0
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
显示地址
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
0FH
TM1639
该指令用来设置显示寄存器的地址。
如果地址设为10H 或更高,数据被忽略,直到有效地址被设定。
上电时,地址默认设为00H。
7.3 显示控制
MSB
LSB
B7 B6 B5 B4 B3 B2 B1 B0
功能
说明
10
000
设置脉冲宽度为 1/16
10
001
设置脉冲宽度为 2/16
10
010
设置脉冲宽度为 4/16
10
1 0 无关项,
10
填0
0 1 1 消光数量设置 设置脉冲宽度为 10/16
100
设置脉冲宽度为 11/16
101
设置脉冲宽度为 12/16
10
110
设置脉冲宽度为 13/16
10
111
设置脉冲宽度为 14/16
10
10
0
1
显示开关设置
显示关
显示开
www.titanmec.com
-5-


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TM1639 electronic component.


Information Total 17 Pages
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Download [ TM1639.PDF Datasheet ]

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