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參數(shù)資料
| 型號(hào)： | LV8041FN |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.6 A, QCC52 |
| 封裝： | 7 X 7 MM, VQFN-52 |
| 文件頁(yè)數(shù)： | 10/24頁(yè) |
| 文件大?。?/td> | 802K |
| 代理商： | LV8041FN |
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LV8041FN
No.7944-18/24
Setting the Chopping Frequency (fchop)
When this IC performs constant current control, it uses a chopping operation based on a frequency set by an external
resistor.
The chopping frequency set by the value of the resistor connected to the R pin (pin 24) is set as shown in the figure
below.
0
50
100
150
200
250
300
0
10
20
3040
50607080
90
100
We recommend that a frequency in the range 50 kHz to 200 kHz be used.
Serial Data Truth Table for Monitor Output Settings (Monitor/channel 5 and 6 drive mode settings
register)
MO12 Output Setting: 2 bits
D3(MO_SELECT2)
D2(MO_SELECT1)
MO12 output state
0
The STP1 monitor is output
0
1
The STP2 monitor is output
1
0
The STP3 monitor is output (If PWM/MICRO is 1.)
1
A fixed high level is output
The MO12 pin can be set up to output any of the stepping motor driver states shown in the table above with the monitor
settings register settings shown in that table.
Monitor Output Mode Setting: 3 bits
D6 (MO56_MD)
D5 (MO34_MD)
D4 (MO12_MD)
Monitor output mode state
0
A low level is output from MO12 in the STP1 initial state
(Only when (D3, D2)
= (0, 0))
1
A low level is output from MO12 each STP1 1/4 period
(Only when (D3, D2)
= (0, 0))
0
A low level is output from MO34 in the STP2 initial state
(When (D3, D2)
= (0, 1) this is also output from MO12)
1
A low level is output from MO34 each STP2 1/4 period
(When (D3, D2)
= (0, 1) this is also output from MO12)
0
A low level is output from MO56 in the STP3 initial state
(When (D3, D2)
= (1, 0) this is also output from MO12)
1
A low level is output from MO56 each STP3 1/4 period
(When (D3, D2)
= (1, 0) this is also output from MO12)
Note
: Don’t Care
The stepping motor driver monitor outputs can be switched between a mode in which an output is only provided in the
initial position and a mode in which an output is provided each 1/4 period by setting the monitor setting register as shown
in the table above.
Resistance, R (k
)
Chopping
frequency
(kHz)
相關(guān)PDF資料 |
PDF描述 |
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| LV8041FN | STEPPER MOTOR CONTROLLER, 0.6 A, QCC52 |
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| LV8052LP | STEPPER MOTOR CONTROLLER, 0.6 A, QCC24 |
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