參數(shù)資料
型號(hào)： KA2811C
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 12V Spindle Motor and Voice Coil Motor Driver(心軸電機(jī)和音圈電機(jī)驅(qū)動(dòng)器)
中文描述： VOICE COIL MOTOR CONTROLLER, 2 A, PQFP48
封裝： 14 X 14 MM, HEAT SINK, QFP-48
文件頁(yè)數(shù)： 13/28頁(yè)
文件大?。?/td> 313K
代理商： KA2811C
KA2811C
13
Application Information
1. SPINDLE MOTOR CIRCUIT
1. Bias
The circuit biases the spindle block and is configured of a bandgap circuit as illustrated in figure 1 below.
Figure 1. Bias block internal circuit
Where r3 = ra = rb ........... = rw.
Pin no.9 (CE) is capable to enable or disable the spindle block.
2. Start-up
This concerns initial drive of the spindle motor. The Waltz Step start (WSS) method has been applied to obtain high torque.
The WSS starts the 3-phase spindle motor in 3 steps just like a waltzing rhythm not in 4 step as shown below.
The start-up is effected by driving output stage of the block with the sliding COSC clock and setting the signals of CE and
MTRON at the low state (See the start-up timing chart).
When the spindle motor is in start-up mode, the voltage at pin 47 should measure 1.4V and in the running mode 2.5V. The
equations below represent the timing of each mode.
Vref
Ia
Ib
rb
ra
r2
r3
r4
rw
Iw
4 Step (4/4 Beat)
3 Step (3/4 Beat)
相關(guān)PDF資料
PDF描述
KA2820D Stepping Motor Driver(步進(jìn)馬達(dá)驅(qū)動(dòng)器)
KA2821D The KA2821D is a monolithic integrated circuit, and suit able as a two-phase stepping motor driver of a 3.5-inch FDD system
KA2822BD 3-Phase BLDC Motor Driver
KA2822BDTF 3-Phase BLDC Motor Driver
KA2822D 3-Phase BLDC Motor Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA2821D 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:The KA2821D is a monolithic integrated circuit, and suit able as a two-phase stepping motor driver of a 3.5-inch FDD system
KA2822BD 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BLDC Motor Driver 3 Phase 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
KA2822BDTF 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
KA2822CD 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BLDC Motor Driver 3 Phase 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
KA2822CDTF 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Phase BLDC Motor Driver
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