參數(shù)資料
型號： TB62201AFG
廠商： Toshiba Corporation
英文描述： Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
中文描述： 雙辦公自動化設(shè)備步進(jìn)馬達(dá)驅(qū)動IC用PWM斬波型
文件頁數(shù)： 23/89頁
文件大?。?/td> 1423K
代理商： TB62201AFG
TB62201AFG
2005-04-04
23
Calculation of Set Current
Determining R
RS
and V
ref
determines the set current value.
I
out
(max)
=
(GAIN)
V
1
ref
× V
ref
(V) ×
)
(
)
=
RS
orque
(T
orque
T
R
data
serial
input
50%
70,
85,
100,
1/5.0 is V
ref
(gain): V
ref
attenuation ratio (typ.).
For example,
to input V
ref
=
3 V and Torque
=
100% and to output I
out
=
0.8 A,
R
RS
=
0.75
(0.5 W or more) is required.
Formulas for Calculating CR Oscillation Frequency
(Chopping reference frequency)
The CR oscillation frequency and f
chop
can be calculated by the following formulas:
1
×
×
×
×
f
CR
=
C)
KB
R
(C
KA
[Hz]
KA (constant): 0.523
KB (constant): 600
f
chop
=
8
f
CR
[Hz]
Example: When Cosc
=
1,000 pF and Rosc
=
2.0 k
are connected, f
CR
=
735 kHz.
At this time, the chopping frequency f
chop
is: f
chop
=
f
CR
/8
=
92 kHz.
1
Note:
f
CR
=
CR
t
Charge)
-
(Dis
(Charge)
=
t
CR
+
CR oscillation CR charge
cycle
CR distance
time
time
At this time, t (CR
discharge) is subject to the following condition :
600 ns
>
t (CR
discharge)
>
400 ns.
Be sure to set the CR value in accordance with this condition.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TB62201AFG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TB62202AFG 制造商:Toshiba America Electronic Components 功能描述:
TB62202AFG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TB62206FG 制造商:Toshiba America Electronic Components 功能描述:2-Phase Stepping Motor Driver 5V 22-Pin(20+2Tab) HSOP
TB62206FG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Stepping Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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