參數(shù)資料
型號(hào): L6460TR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù): 109/139頁
文件大小: 3837K
代理商: L6460TR
L6460
Power bridges
Doc ID 17713 Rev 1
71/139
The voltage spikes on Rsense could be filtered by selecting an appropriate blanking time on
the output of current sense comparator. The Blanking time selection is made by using the
StepBlkTime[1:0] bits in the StpCfg1 register.
The stepper driver off time could be programmed by means of the StepOffTime[4:0] bits in
StpCfg1 register.
32
63
55.6
83.1
33.8°
64
63.4
77.3
39.4°
Table 26.
Stepper off time
StepOffTime[4:0]
Off time
Unit
Typ
00000
2
s
00001
4
s
00010
6
s
00011
8
s
00100
10
s
00101
12
s
00110
14
s
00111
16
s
01000
18
s
01001
20
s
01010
22
s
01011
24
s
01100
26
s
01101
28
s
01110
30
s
01111
32
s
10000
34
s
10001
36
s
10010
38
s
10011
40
s
Table 25.
Internal sequencer (continued)
Control mode
Typical output
current (% of IMAX)
Resulting
electrical
angle
Half
step
Full step
(2 phases
on)
Full step
(1 phase
on)
1/4
step
1/8
step
1/16
step
Phase A
(sin)
Phase B
(cos)
Electrical
degrees
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