參數(shù)資料
型號(hào)： L6227Q
廠(chǎng)商： STMICROELECTRONICS
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, 2.8 A, QCC32
封裝： 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁(yè)數(shù)： 7/27頁(yè)
文件大?。?/td> 435K
代理商： L6227Q
L6227Q
Circuit description
15/27
Figure 12.
Area where tON can vary maintaining the PWM regulation
4.5
Slow decay mode
Figure 13 shows the operation of the bridge in the slow decay mode. At the start of the off
time, the lower power MOS is switched off and the current recirculates around the upper half
of the bridge. Since the voltage across the coil is low, the current decays slowly. After the
dead time the upper power MOS is operated in the synchronous rectification mode. When
the monostable times out, the lower power MOS is turned on again after some delay set by
the dead time to prevent cross conduction.
Figure 13.
Slow decay mode output stage configurations
0.1
1
10
100
1
10
100
Coff [nF]
to
n(
mi
n)
[
s]
1.5
s (typ. value)
相關(guān)PDF資料
PDF描述
L6228D STEPPER MOTOR CONTROLLER, 2.8 A, PDSO24
L6228N STEPPER MOTOR CONTROLLER, 2.8 A, PDIP24
L6229QTR BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32
L6229Q BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32
L6230PDTR BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO36
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6227Q_09 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:DMOS dual full bridge driver with PWM current controller
L6227QTR 功能描述:功率驅(qū)動(dòng)器IC DMOS DUAL FULL Bridge w/ PWM RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
L6228 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
L6228D 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)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
L6228DTR 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)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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