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參數(shù)資料
| 型號： | LV8804FV |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | AC MOTOR CONTROLLER, 1.2 A, PDSO20 |
| 封裝： | 0.225 INCH, SSOP-20 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大?。?/td> | 111K |
| 代理商： | LV8804FV |
LV8804FV
No.A1441-8/9
Application Circuit Example
UO
VO
WO
VCC
COM
COMIN
VG
CP
CPC
VREG
MINSP
0.1
F
*9
0.1
F
47k
47k
*8
CTL
F/R
FIL
*3
0.01
F
FG
4,7k
27k
22k
68k
10k
PWM
1
F/10V
10
F/25V
*2
CT
SOFTST
OSC
GND
1000pF
*7
*6
1
F
*4
1
F
*1
RF
0.25
*5
RFG=
10k to 100k
1
F
*1. Power supply and GND wiring
The GND is connected to the control circuit power supply system.
*2. Power-side power stabilization capacitor
For the power-side power stabilization capacitor, use a capacitor of 10
F or more.
Connect the capacitor between VCC and GND with a thick and along the shortest possible route.
*3. COMIN and FIL pins
These pins are used to connect the filter capacitor. The LV8804FV uses the back EMF signal generated when the
motor is running to detect the information on the rotor position. The IC determines the timing at which the output
block applies current to the motor based on the position information obtained here. Insert a filter capacitor (1,000pF to
10,000pF) between the COMIN pin and FIL pin to prevent any motor startup miss-operation that is caused by noise.
However, care must be taken since an excessively high capacitance will give rise to deterioration in efficiency and
delays in the output power-on timing while the motor is running at high speed.
Furthermore, connect the capacitor between the COMIN pin and FIL pin as close as possible in order to avoid the
effects of noise from other sources.
*4. CT pin
This pin is used to connect the lock detection capacitor.
The constant-current charging and constant-current discharging circuits incorporated causes locking when the pin
voltage reaches 2.5V, and releasing the lock protection when it drops to 0.5V. This pin must be connected to the GND
when it is not going to be used.
*5. RF pins
These pins are used to set the current limit.
When the pin voltage exceeds 0.25V, the current is limited, and regeneration mode is established. In the application
circuit, this voltage is set in such a way that the current limit will be established at 1A.
The calculation formula is given below.
RF resistance = 0.25V/target current limit value
*6. SOFTST pin
This pin is used to set the soft start.
By connecting a capacitor between this pin and GND, the motor speed can be increased gradually.
When the pin voltage exceeds 2.5V, the soft start is released, and the LV8804FV is switched to normal control.
If the soft start function is not going to be used, connect the pin to the VREG pin.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LV8804FV | AC MOTOR CONTROLLER, 1.2 A, PDSO20 |
| LV8804V | BRUSH DC MOTOR CONTROLLER, 1.2 A, PDSO36 |
| LV8804V | BRUSH DC MOTOR CONTROLLER, 1.2 A, PDSO36 |
| LV8805SV | AC MOTOR CONTROLLER, 1.2 A, PDSO20 |
| LV8805SV | AC MOTOR CONTROLLER, 1.2 A, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LV8804FV_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PC and Server Fan Motor Driver |
| LV8804FV_12 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PC and Server Fan Motor Driver |
| LV8804FV-D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PC and Server Fan Motor Driver |
| LV8804FVGEVB | 功能描述:電源管理IC開發(fā)工具 EVABORD FOR LV8804FV 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 |
| LV8804FV-MPB-H | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 FAN 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 |
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