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參數(shù)資料
| 型號： | STK6713BMK4 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Unipolar Fixed-current Chopper-Type 4-Phase Stepping Motor Driver(單極性固定電流4相位步進式斬波型電機驅(qū)動器) |
| 中文描述： | 單極固定電流斬波型4相步進電機驅(qū)動器（單極性固定電流4相位步進式斬波型電機驅(qū)動器） |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 146K |
| 代理商： | STK6713BMK4 |
t1
≈
In (1 –
×
I
OH
) .............................................................................................. (12)
t3
≈
In (
)...................................................................................................... (13)
V
CC
: Motor supply voltage (V)
L :
Motor inductance (H)
R :
Motor internal resistance (
)
I
OH
: Motor output current peak (A)
The chopping frequency F and t2 for each excitation mode are:
2 phase excitation
F = fclock/2, t2 = (1/F) – (t1 + t3).......................................................................... (14)
1-2 phase excitation F = 3fclock/8, t2 = (1/F) – t1.................................................................................. (15)
fclock: 4-phase divider input oscillation frequency
The characteristic diagrams (typ) for I
OH
and Vst, and I
OH
and Vdf are given in Figs. 8 and 9.
STK6712BMK4 No Thermal Radiation Range (example)
An example of STK6712BMK4 use in the no-fin state is indicated below.
Conditions:
Motor supply voltage V
CC
1 = 30 V, stepping motor: Electrical characteristics 3.5 mH/, 3.5
/
Excitation: 2-phase
Input clock frequency 500 Hz = fclock
HIC ambient temperature Ta = 25°C, natural convection
HIC rear substrate temperature Tc = 105°C saturation
Motor output current I
OH
= 1.4 A
At this time, the HIC permissible loss can be calculated as:
Maximum loss: Pd max =
=
= 3.4 (W)........................................................ (16)
105 – 25
23
Tc max – Ta
θ
c – a
V
CC
+ 0.88
I
OH
· R + V
CC
+ 0.88
–L
R
R + 0.88
V
CC
–L
R + 0.88
No. 4867-9/10
STK6712BMK4
Fig. 8
Fig. 9
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| STK6713BMK4-C-E | 功能描述:馬達/運動/點火控制器和驅(qū)動器 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| STK672-040-E | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Unipoler 2PhaseMicro SteppingMotor 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| STK672-040GEVB | 功能描述:電源管理IC開發(fā)工具 EVM FOR STK672-040-E RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| STK672-050 | 制造商:Panasonic Industrial Company 功能描述:IC |
| STK672050E | 制造商:ON Semiconductor 功能描述: |
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