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參數(shù)資料
| 型號： | TB62218FNG |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO48 |
| 封裝： | 0.300 INCH, 0.50 MM PITCH, PLASTIC, TSSOP-48 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大小： | 463K |
| 代理商： | TB62218FNG |
TB62218FNG
2010-10-07
6
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Remarks
Motor power supply
VM
40
V
Motor output voltage
VOUT
40
V
Motor output current
IOUT
2.0
A per phase
(Note 1)
Logic input voltage
VIN
-0.5 to 6.0
V
Vref standard voltage
Vref
5.0
V
Power dissipation
PD
1.15
W
(Note 2)
Operating temperature
Topr
20 to 85
°C
Storage temperature
Tstg
55 to 150
°C
Junction temperature
Tj (MAX)
150
°C
Note 1: As a guide, the maximum output current should be kept below 1.4 A per phase. The maximum output current
may be further limited by thermal considerations, depending on ambient temperature and board conditions.
Note 2: Stand-alone (Ta
= 25°C)
If Ta is over 25°C, derating is required at 9.2 mW/°C.
Ta:
Ambient temperature
Topr: Ambient temperature while the TB62218FNG is active
Tj:
Junction temperature while the TB62218FNG is active. The maximum junction temperature is limited
by the thermal shutdown (TSD) circuitry.
It is advisable to keep the maximum current below a certain level so that the maximum junction
temperature, Tj (max), will not exceed 120°C.
Note: The absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceeded, even
for a moment. Do not exceed any of these ratings.
Exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result injury by
explosion or combustion.
The value of even one parameter of the absolute maximum ratings should not be exceeded under any
circumstances. The TB62218FNG does not have overvoltage protection. Therefore, the device is damaged if a
voltage exceeding its rated maximum is applied.
All voltage ratings including supply voltages must always be followed. The other notes and considerations
described later should also be referred to.
Operating Ranges (Ta = 0 to 85°C)
Characteristics
Symbol
Min
Typ.
Max
Unit
Remarks
Motor power supply
VM
10.0
24.0
38.0
V
Motor output voltage
IOUT
1.4
2.0
A
Per phase (Note 1)
VIN(H)
2.0
5.5
V
Logic high level
Logic input voltage
VIN(L)
-0.4
1.0
V
Logic low level
Chopper frequency
fchop
40
100
150
kHz
Vref reference voltage
Vref
GND
3.6
V
Voltage across the current-sensing
resistor pins
VRS
0.0
±1.0
±1.5
V
Referenced to the VM pin (Note 2)
Note 1: The actual maximum current may be limited by the operating environment (operating conditions
such as
excitation mode or operating duration, or by the surrounding temperature or board heat dissipation). Determine
a realistic maximum current by calculating the heat generated under the operating environment.
Note 2: The maximum VRS voltage should not exceed the maximum rated voltage.
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