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TM1640 Datasheet(PDF) 9 Page - Shenzhen Titan Micro Electronics Co., Ltd.

Part # TM1640
Description  LED
PDF  10 Pages
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Manufacturer  TITAN [Shenzhen Titan Micro Electronics Co., Ltd.]
Direct Link  http://www.titanmec.com/index.php/en/
Logo TITAN - Shenzhen Titan Micro Electronics Co., Ltd.

TM1640 Datasheet(HTML) 9 Page - Shenzhen Titan Micro Electronics Co., Ltd.

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LED 驱动控制与用电路
TM1640
9
©Titan Micro Electronics
www.titanmec.com
V1.2
TM1640 驱动共阳极数码管硬件电路图：
VCC
R2
10K
R3
10K
C4
101
C5
101
DIN
SCLK
+ C1
100uF
C2
104
VCC
1
2
GND
GND
GRID12
GRID13
GRID14
GRID15
GRID16
VSS
DIN
SCLK
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
VDD
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID9
GRID10
GRID11
TM1640
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
GRID11
GRID9
GRID8
GRID5
SEG8
GRID1
GRID10
GRID7
GRID6
GRID2
GRID4
GRID3
VCC
GRID12
GRID13
GRID14
GRID15
GRID16
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG1
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG2
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG3
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG4
dp
dp
dp
dp
dp
dp
dp
dp
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG5
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG6
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG7
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG8
dp
dp
dp
dp
dp
dp
dp
dp
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG1
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG2
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG3
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG4
dp
dp
dp
dp
dp
dp
dp
dp
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG5
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG6
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG7
a
b
f
c
g
d
e
a
b
c
d
e
f
g
SEG8
dp
dp
dp
dp
dp
dp
dp
dp
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
GRID9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
▲注意：1、TM1640的VDD、VSS之间必须接电容，推荐参数为100uF和104电容，且在PCB板布线应尽量靠近
TM1640芯片放置,从VCC、VSS和电容组成的回路长度不能超过3CM,加强滤波效果；
2、连接在DIO、CLK、STB通讯口上下拉三个100pF电容可以降低对通讯口的干扰；
3、如果数码管的导通压降压约为3V（蓝光）,则TM1640供电应选用5V；
4、芯片工作在如电磁炉等较强干扰环境下时，建议适当降低TM1640与MCU通信频率，可在通信口
上串电阻，建议大小在100-200
Ω 。



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