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參數(shù)資料
| 型號(hào)： | LV8041FN |
| 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 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大小： | 802K |
| 代理商： | LV8041FN |
LV8041FN
No.7944-10/24
Stepping Motor Drivers (STP1 (channels 1 and 2) and STP2 (channels 3 and 4))
Clock Function (STP1 (Items in parentheses refer to STP2))
Input
ST
CLK12 (CLK34)
Operating mode
Charge pump circuit
Low
Standby mode
Stopped
High
Drive step operate
High
Drive step hold
Operating
STP State Setting Serial Data Truth Table: Six bits (STP1/STP2 settings register)
D7 (OE)
D6 (RES)
D5 (HOLD)
D4 (MS2)
D3 (MS1)
D2 (F/R)
Operating mode
0
Clockwise (forward)
1
Counterclockwise (reverse)
0
2-phase drive
0
1
1-2 phase drive
1
0
2W1-2 phase drive
1
4W1-2 phase drive
0
Step/hold clear
1
Step/hold
0
Counter reset (Drive returns to the initial position)
1
Counter reset clear
0
Outputs set to the high-impedance state
1
Outputs set to the operating state
Note
: Don’t Care
Initial Drive Position
Drive mode
1ch (3ch)
2ch (4ch)
2-phase
100
%
100%
1-2 phase
100
%
0
%
2W1-2 phase
100
%
0
%
4W1-2
100
%
0
%
Procedure for Calculating the Set Current
IOUT = (reference voltage
× set current ratio)/(sense resistor (SEN) value)
Since the reference voltage is 0.2 V, the following output current flows when the set current ratio is 100% and the sense
resistor is 1
.
IOUT
= 0.2 V × 100%/1
= 200 mA
Vary the value of the sense resistor (SEN) to vary the output current.
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