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參數(shù)資料
| 型號： | L8229 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO24 |
| 封裝： | LEAD FREE, SSO-24 |
| 文件頁數(shù)： | 22/42頁 |
| 文件大?。?/td> | 858K |
| 代理商： | L8229 |
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Obsolete
Product(s)
- Obsolete
Product(s)
L8229
SPI programming
The direction of current is determined by W0 bits 8 and 14. During Ton, outputs will be
according to following table:
The 5 bit DACs for each Bridge enable an accurate resolution control defined by Current
levels table below. The current level Iset is then defined as:
Iset = Vdac / (Range x Rsense)
where:
Vdac = (DAC/31) x Vref
where DAC is defined from 0 to 31, so the current level is fixed by W0 bits 7 (MSB) to 3
(LSB) (13 to 9) as in following table.
Table 26.
Range mode selected by W2
Bit 6
Mode
0
Range = 10
1
Range = 5
Table 27.
Current direction selected by W0
Bit 8 (14)
OUT A
OUT B
0L
H
1H
L
Table 28.
Current levels selected by W0 for DAC
Bit 7 (13)
Bit 6 (12)
Bit 5 (11)
Bit 4 (10)
Bit 3 (9)
IPH_A (B)/Imax
00
0
00
0
1
1/31
00
0
1
0
2/31
00
0
1
3/31
00
1
0
4/31
00
1
0
1
5/31
00
1
0
6/31
00
1
7/31
01
0
8/31
01
0
1
9/31
0
1
0
1
0
10/31
0
1
0
1
11/31
0
1
0
12/31
0
1
0
1
13/31
0
1
0
14/31
0
1
15/31
1
0
16/31
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相關(guān)代理商/技術(shù)參數(shù) |
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