TM1637 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
TM1637 Datasheet PDF : 12 Pages
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LED Drive Control Special Circuit
Electrical parameter
1、 Limit parameter (Ta = 25℃, Vss = 0 V)
Parameters
Symbol
Range
Unit
TM1637
Logic power supply voltage
VDD
-0.5 ～+7.0
V
Logic input voltage
VI1
-0.5 ～ VDD + 0.5
V
LED and SEG drive sink current
IO1
50
mA
LED and GRID drive source
current
IO2
200
mA
Power loss
PD
400
mW
Work temperature
Topt
-40 ～ +85
℃
Storage temperature
Tstg
-65 ～+150
℃
2、 Normal working range (Ta = -40～+85℃, Vss = 0 V)
Parameters
Symbol
Minimu
m
Typical
Maximu
m
Unit
Logic power supply voltage
VDD
5
V
Test
condition
-
High-level input voltage
VIH
0.7 VDD
-
VDD
V
-
Low-level input voltage
VIL
0
-
0.3 VDD
V
-
3、Electrical character (Ta = -40 - +85℃, VDD = 4.5 - 5.5 V, Vss = 0 V)
Parameters
Symbol
Minim Typic
um
al
Maxi
mum
Unit
GRID drive source
current
Ioh1
80
120
180
mA
Ioh2
80
140
200
mA
SEG drive sink current
IOL1
DOUT pin output low
current
High-level output current
tolerance
Output pull down resistor
Idout
Itolsg
RL
20
30
50
mA
4
-
-
mA
-
-
5
%
10
KΩ
Test condition
GRID1~GRID6，
Vo = vdd-2V
GRID1~GRID6，
Vo = vdd-3V
SEG1~SEG8
Vo=0.3V
Vo = 0.4V，dout
Vo = VDD – 3V，
GRID1～GRID6
K1~K2
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V2.4
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