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TC7258F Datasheet(PDF) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

Part # TC7258F
Description  8-channel LED display line scanning blanking control driver chip
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Manufacturer  FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]
Direct Link  http://www.superchip.cn
Logo FUMAN - SHENZHEN FUMAN ELECTRONICS CO., LTD.

TC7258F Datasheet(HTML) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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深圳市富满电子集团股份有限公司
SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.
TC7258F(文件编号：S&CIC1556)
8 通道 LED 显示屏行扫描消隐控制驱动芯片
www.superchip.cn
第
1 页 共 4 页
Version 1.0
概述
TC7258F 是一款专为 LED 屏幕行扫描屏设计的一款 8 通道消隐控制驱动 IC，它内部集成了行消
隐电路
, 74HC138 三八译码器和功率管。
TC7258F 在功率管关闭时内部下拉管会打开并以恒定电流吸收行线上的残留电荷，能消除拖影现
象，同时还能改善由于
LED 漏电、短路造成的毛毛虫现象。
TC7258F 特有的专利技术能够更完全消除鬼影现象, 是市面上 LED 屏行扫描显示效果最好的芯片。
TC7258F 采用 SOP-16 的封装形式，内部集成了防烧功率管。
特点
 集成
138 译码器。
 集成
8 个功率管，导通阻抗 120 毫欧，工作电流 2.5A。
 集成防烧功率管，有过流和和短路保护。
 可消除
LED 上拖影现象。
 改善
LED 漏电及短路造成的毛毛虫现象。
采用
SOP-16 封装。
引脚定义及说明
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
B
Date:
10-Sep-2015
Sheet of
File:
E:\E盘\规格书\规格图\规格图-0\规格图 CF\TC7258.ddb
Drawn By:
VDD
C
OUT1
OUT2
OUT3
OUT4
ENH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VDD
ENL
OUT5
OUT6
OUT7
OUT8
A
B
SOP-16
序号
引脚名称
引脚说明
1
VDD
电源输入端
2
C
C 地址线
3
OUT1
电压输出端
4
OUT2
电压输出端
5
OUT3
电压输出端
6
OUT4
电压输出端
7
ENH
使能高电平
8
GND
芯片地
9
VDD
电源输入端
10
ENL
使能低电平
11
OUT5
电压输出端
12
OUT6
电压输出端
13
OUT7
电压输出端
14
OUT8
电压输出端
15
A
A 地址线
16
B
B 地址线
注意事项：
PIN1 和 PIN9 都是 VDD，但在 IC 内部是没有相互连接的，布板时需要相互连接。


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