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參數(shù)資料
| 型號： | LV8804V |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.2 A, PDSO36 |
| 封裝： | 0.275 INCH, SSOP-36 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 112K |
| 代理商： | LV8804V |
LV8804V
No.A1407-5/10
Pin Function
Pin No.
Pin name
Function
Equivalent circuit
36
COM
Motor middle point connection.
1
COMIN
Motor position detection comparator filter
pin. A capacitor must be connected between
this pin and the FIL pin (pin 2).
2
FIL
Motor position detection comparator filter
pin. A capacitor must be connected between
this pin and the COMIN pin (pin 5).
VG
36
1
2
3
4
VREG
Regulator voltage (5V) output.
A capacitor must be connected between
these pins and ground.
VCC
VREF
3
4
5, 6,
13, 15,
25, 31
NC
No connection. These pins are not
connected with the internal parts.
7
F/R
Motor rotation direction switching. A
high-level input causes current to flow into
the motor in the order of U, V, and W and a
low-level input in the order of U, W, and V.
Changing the order of current application
turns the motor in the opposite direction.
VREG
100k
7
15k
Reverse signal
Forward signal
Forward/reverse
switching signal
8
CTL
Motor control voltage input.
When the control voltage is higher than 3 V
(3V
< CTL voltage), the motor stops.
The motor speed is controlled by varying the
control voltage within the range of 3V to 1V
(3V
> CTL voltage > 1 V). When the control
voltage becomes lower that 1V (1 V
> CTL
voltage), the current limit set by the RF
resistor is reached.
9
MINSP
Minimum speed setting voltage input.
The minimum speed of the motor can be set
by resistor-dividing the regulator voltage and
feeding the resultant voltage that is within the
range of 1V to 3V (1 V
< MINSP < 3V).
500
VREG
8
500
9
10
SOFTST
Soft start time setting.
The motor can be started smoothly by
connecting a capacitor between this pin and
ground.
500
VREG
10
Continued on next page.
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