參數(shù)資料
型號: LMD18245
廠商: National Semiconductor Corporation
英文描述: 3A, 55V DMOS Full-Bridge Motor Driver
中文描述: 第3A,55V的DMOS全橋式電動(dòng)機(jī)驅(qū)動(dòng)器
文件頁數(shù): 14/18頁
文件大?。?/td> 647K
代理商: LMD18245
The Typical Application
(Continued)
DS011878-24
Top Trace: Phase A Winding Current at 1A/div
Bottom Trace: Phase B Winding Current at 1A/div
Horizontal: 2 ms/div
*500 steps/second
DS011878-25
BRAKE A = BRAKE B = 0
90 ELECTRICAL/FULL STEP
÷
2 MICROSTEPS/FULL STEP = 45 ELECTRICAL/MICROSTEP
FIGURE 11. Winding Currents and Digital Control Signals for Half Step Drive with Torque Compensation
|
FORWARD
α
0
45
90
135
180
225
270
315
|cos(
α
)|
1
0.707
0
0.707
1
0.707
0
0.707
D A
15
11
0
11
15
11
0
11
DIRECTION A
1
1
0
0
0
0
1
1
|sin(
α
)|
0
0.707
1
0.707
0
0.707
1
0.707
D B
0
11
15
11
0
11
15
11
DIRECTlON B
1
1
1
1
0
0
0
0
REVERSE
|
REPEAT
FIGURE 12. Lookup Table for Half Step Drive with Torque Compensation
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMD18245_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3A, 55V DMOS Full-Bridge Motor Driver
LMD18245T 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)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
LMD18245T 制造商:Texas Instruments 功能描述:HALF BRIDGE 3A 55V 18245 TO22015
LMD18245T/HALF 制造商:Texas Instruments 功能描述:HALF BRIDGE 3A 55V 18245 TO22015
LMD18245T/LF15 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)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