參數(shù)資料
型號(hào)： tle 4729
廠商： SIEMENS AG
英文描述： 2-Phase Stepper-Motor Driver(兩相步進(jìn)式馬達(dá)驅(qū)動(dòng)器)
中文描述： 二相步進(jìn)電機(jī)驅(qū)動(dòng)器（兩相步進(jìn)式馬達(dá)驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 21/26頁(yè)
文件大?。?/td> 222K
代理商： TLE 4729
Data Sheet
21
1999-06-24
TLE 4729 G
Calculation of Power Dissipation
The total power dissipation
P
tot
is made up of
saturation losses
P
sat
(transistor saturation voltage and diode forward
voltages),
(quiescent current times supply voltage) and
(turn-ON / turn-OFF operations).
quiescent losses
P
q
switching losses
P
s
The following equations give the power dissipation for chopper operation without phase
reversal.
This is the worst case, because full current flows for the entire time and switching losses
occur in addition.
P
tot
= 2
×
P
sat
+
P
q
+ 2
×
P
s
where
P
sat
I
N
{
V
satI
×
d
+
V
Fu
(1 –
d
) +
V
satuC
×
d
+
V
satuD
(1 –
d
)}
P
q
=
I
q
×
V
S
I
N
I
q
i
D
i
R
t
p
t
ON
t
OFF
t
DON
t
DOFF
T
d
V
satl
V
satuC
V
satuD
V
Fu
V
S
= nominal current (mean value)
= quiescent current
= reverse current during turn-on delay
= peak reverse current
= conducting time of chopper transistor
= turn-ON time
= turn-OFF time
= turn-ON delay
= turn-OFF delay
= cycle duration
= duty cycle
t
p
/
T
= saturation voltage of sink transistor (TX3, TX4)
= saturation voltage of source transistor (TX1, TX2) during charge cycle
= saturation voltage of source transistor (TX1, TX2) during discharge cycle
= forward voltage of free-wheeling diode (DX1, DX2)
= supply voltage
P
q
V
S
T
-----
i
--------------------
t
2
i
i
4
-------+
)
t
ON
×
I
N
2
----
t
DOFF
(
t
OFF
+
)
+
+
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參數(shù)描述
TLE4729G 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 2-Ph Stepper Motor Driver; Bipolar 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
TLE4729-G 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:2-Phase Stepper-Motor Driver Bipolar-IC
TLE4729G_08 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:2-Phase Stepper-Motor Driver Bipolar-IC
TLE4729GGEG 制造商:Infineon Technologies AG 功能描述:2-Phase Stepping Motor Driver 24-Pin DSO T/R
TLE4729GNT 制造商:Infineon Technologies AG 功能描述:STEPPER MOTOR CNTRLR 24PIN DSO - Tape and Reel 制造商:Infineon Technologies 功能描述:Infineon Technologies TLE4729GNT Motion Motor Controls
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