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L6480 数据表(PDF) 52 Page - STMicroelectronics

部件名 L6480
功能描述  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6480 数据表(HTML) 52 Page - STMicroelectronics

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Programming manual
L6480
52/73
Doc ID 023278 Rev 3
The TCC parameter defines the duration of constant current phase during gate turn-on and
turn-off sequences (Section 6.15).
The TBOOST parameter defines the duration of the overboost phase during gate turn-off
(Section 6.15).
The WD_EN bit enables the clock source monitoring (Section 6.8.2).
11
0
64
11
1
96
Table 26.
TCC parameter
TCC [4..0]
Constant current time [ns]
0
000
0
125
0
000
1
250
⇓⇓⇓
⇓⇓
⇓
1
110
0
3625
1
110
1
3750
1
111
0
3750
1
111
1
3750
Table 27.
TBOOST parameter
TBOOST
[2..0]
Turn-off boost time
[ns]
00
0
0
00
1
62.5(1)/83.3(2)/125(3)
1.
Clock frequency equal to 16 MHz or 32 MHz.
2.
Clock frequency equal to 24 MHz.
3.
Clock frequency equal to 8 MHz.
01
0
125
01
1
250
10
0
375
10
1
500
11
0
750
11
1
1000
Table 25.
IGATE parameter (continued)
IGATE [2..0}
Gate current [mA}



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