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參數(shù)資料
| 型號： | LB11947 |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.75 A, PDIP28 |
| 封裝： | 0.500 INCH, DIP-28 |
| 文件頁數(shù)： | 14/14頁 |
| 文件大?。?/td> | 154K |
| 代理商： | LB11947 |
LB11947
No.7318-9/14
Motor driver, logic input truth table
ST
PWM
MD
MDINT
PH
OUT
OUT-
Operation mode
L
*
OFF
Standby mode (circuit OFF)
H
*
H
L
SLOW (short brake) at power ON, forward rotation, and at the current limit
H
*
L
H
L
FAST (all OFF) at power ON, forward rotation, and at current limit
H
*
H
L
H
SLOW (short brake) at power ON, reverse rotation, and at current limit
H
*
L
H
FAST (all OFF) at power ON, reverse rotation, and at current limit
H
L
H
*
L
Current decay at SLOW (short brake)
H
L
*
OFF
Current decay at FAST (all OFF)
(*) Don’t care.
Motor driver, output stage transistor operation mode
The figure above shows the current direction at PH = “H.”
Note that the upper diode is incorporated and the lower diode is an external Schottky diode.
Motor driver, output stage transistor operation function
Mode
U1
U2
L1
L2
CHARGE (PH = “H”)
ON
OFF
ON
CHARGE (PH = “L”)
OFF
ON
OFF
FAST
OFF
SLOW
OFF
ON
Charge
Fast
Slow
RS
VM
U1
L1
L2
U2
ON
OFF
RS
VM
U1
L1
L2
U2
OFF
RS
VM
U1
L1
L2
U2
OFF
ON
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LB11948T | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver |
| LB11948T_07 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver |
| LB11948T_10 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver |
| LB11948T-MPB-E | 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 |
| LB11948T-TLM-E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 PRINTER 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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