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參數(shù)資料
| 型號： | L9935 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | TWO-PHASE STEPPER MOTOR DRIVER |
| 中文描述： | 兩相步進電機驅(qū)動器 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 159K |
| 代理商： | L9935 |
here usuallyonly one Steppermotor driver is selected at a time while all others are deselected.
Application Information
For driving a steppermotor we suggest to use the following codes. The columned ’SDO correct’ shows
the data returnedat SDOin correctfunction. The columnes presented under ’Error cases’ display thedi-
agnosis bits if errors are detected.
Examples of control sequences
Full step mode control sequencesand diagnosis response.
SDI
SDO
correct
Error casesand SDObit7, bit6
A
O
P
E
N
B
O
P
E
N
A1
S
H
O
R
T
VS
76
A2
S
H
O
R
T
VS
76
B1
S
H
O
R
T
VS
76
B2
S
H
O
R
T
VS
76
A1
*)
S
H
O
R
T
GND
76
A2
*)
S
H
O
R
T
GND
76
B1
*)
S
H
O
R
T
GND
76
B2
*)
S
H
O
R
T
GND
76
therm.
alarm
therm.
shut
down
(reset
operating
codes)
bit
76543210
XX111111
XX011011
XX010011
XX010010
XX011010
XX011011
XX010011
XX010010
XX011010
76543210
SDO PRESENT LAST DATA OR 11111111 IN CASE PREV. STATE WAS STAND BY
11111111
11011011
11010011
11010010
11011010
11011011
11010011
11010010
11
01
01
11
01
01
76
76
76
76543210
11
11
01
11
01
11
01
11
11
11
01
11
01
11
11
11
01
01
01
11
01
11
01
01
11
01
01
01
11
11
11
01
01
01
11
11
01
01
01
11
01
01
11
10
01
11
10
10
01
11
11
11
10
10
01
11
10
10
11
10
10
01
11
10
10
01
11
11
11
10
10
01
11
10
00
00
00
00
00
00
00
00
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
SDI
SDO
SCK
CSN1
CSN2
μ
P
SDI
SDO
SCK
CSN
SDI
SDO
SCK
CSN
no.1
no.2
D99AT440
Figure 10. ParallelingseveralDevices.
*) Motorresistance approximatelly 10
and V
S
= 12V.So a short to ground only is detected on one branche of the bridge. Lower resistivity of
the motor may lead to detection of short toground on both branches of the bridge leading to code 10 on all steps.
L9935
14/19
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