參數(shù)資料
型號： LV8712T
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 運(yùn)動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 1 A, PDSO24
封裝： 0.225 INCH, TSSOP-24
文件頁數(shù)： 2/14頁
文件大小： 246K
代理商： LV8712T
LV8712T
No.A1674-10/14
(10) Chopping frequency setting
For constant-current control, this IC performs chopping operations at the frequency determined by the capacitor
(Cchop) connected between the CHOP pin and GND.
The chopping frequency is set as shown below by the capacitor (Cchop) connected between the CHOP pin and GND.
Tchop ≒ C × V × 2 / I (s)
V : Width of suresshu voltage, typ 0.5V
I : Charge/discharge current, typ 10
μA
For instance, when Cchop is 200pF, the chopping frequency will be as follows :
Fchop ≒ 1 / Tchop (Hz)
(11) Output current vector locus (one step is normalized to 90 degrees)
Setting current ration in each excitation mode
2W1-2 phase (%)
W1-2 phase (%)
1-2 phase (%)
2-phase (%)
STEP
Channel 1
Channel 2
Channel 1
Channel 2
Channel 1
Channel 2
Channel 1
Channel 2
θ0
100
0
100
0
100
0
θ1
98
20
θ2
92
38
92
38
θ3
83
55
θ4
70
100
θ5
55
83
θ6
38
92
38
92
θ7
20
98
θ8
0
100
0
100
0
100
Channel 2 current ratio (%)
θ4' (2-phase)
Channel
1
phase
current
ratio
(%)
0.0
33.3
66.7
100.0
0.0
33.3
66.7
100.0
θ 0
θ 1
θ 3
θ 5
θ 6
θ 7
θ 8
θ 2
θ 4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LV8712TGEVB 功能描述:電源管理IC開發(fā)工具 EVM FOR LV8712T 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
LV8712T-MPB-H 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
LV8712T-TLM-H 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 4-16V 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
LV8713T 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PWM Constant-Current Control Stepping Motor Driver
LV8713TGEVB 功能描述:電源管理IC開發(fā)工具 EVM FOR LV8713T 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
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