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參數(shù)資料
| 型號： | AMIS-30624PGA |
| 英文描述： | I2C Microstepping Motordriver |
| 中文描述： | 的I2C微步Motordriver |
| 文件頁數(shù)： | 38/56頁 |
| 文件大小： | 1256K |
| 代理商： | AMIS-30624PGA |
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AMIS-30624 I
2
C Microstepping Motordriver
Data Sheet
Value Table:
Table 25: Absolute Threshold Settings
Table 26: Delta Threshold Settings
DelThr
Index
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
AbsThr Index
AbsThr Level (V)
DelThr Level (V)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Disable
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
Disable
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
MinSamples
MinSamples[2:0] is a Bemf sampling delay time expressed in number of PWM cycles, for more information please refer to the white
paper “Robust Motion Control with AMIS-3062x Stepper Motor Drivers”.
Table 27: Back emf Sample Delay Time
t
DELAY
(μs)
Index
MinSamples[2:0]
PWMfreq = 0
87
130
174
217
261
304
348
391
PWMfreq = 1
43
65
87
109
130
152
174
196
0
1
2
3
4
5
6
7
000
001
010
011
100
101
110
111
FS2StallEn
If AbsThr or DelThr <>0 (i.e. motion detection is enabled), then stall detection will be activated AFTER the acceleration ramp + an
additional number of full-steps, according to the following table:
Table 28: Activation Delay of Motion Detection
Index
FS2StallEn[2:0]
0
000
1
001
2
010
3
011
4
100
5
101
6
110
7
111
For more information please refer to the white paper “Robust Motion Control with AMIS-3062x Stepper Motor Drivers”.
DC100StEn
When a motor with large back – e.m.f. is operated at high velocity and low supply voltage, then the PWM duty cycle can be as high as
100 percent. This indicates that the supply is too low to generate the required torque and might also result in erroneously triggering the
stall detection. The bit “DC100StEn” (Bit 1 in Data 7 of
SetStallParam
) enables the function where stall detection is switched off
when PWM duty cycle equals 100 percent. For more information the white paper “Robust Motion Control with AMIS-3062x Stepper
Motor Drivers”.
Motion Qualification Mode
This mode is useful to debug motion parameters and to verify the stability of stepper motor systems. The motion qualification mode is
entered by means of the I
C command
TestBemf
. The SWI pin will be converted into an analog output on which the Bemf integrator
output can be measured. Once activated, it can only be stopped after a POR. During the back emf observation, reading of the SWI
state is internally forbidden. More information is available in the white paper “Robust Motion Control with AMIS-3062x Stepper Motor
Drivers”.
Delay (Full Steps)
0
1
2
3
4
5
6
7
38
AMI Semiconductor
– Apr. 2007, Rev 3.1, M-20664-003
www.amis.com
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| AMIS-30624PNA | I2C Microstepping Motordriver |
| AMIS-3062X | Bus Microstepping Motordriver Family |
| AMIS-30663 | High Speed CAN Transceiver |
| AMIS30663NGA | High Speed CAN Transceiver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-30624PNA | 制造商:AMI 制造商全稱:AMI 功能描述:I2C Microstepping Motordriver |
| AMIS-3062X | 制造商:AMI 制造商全稱:AMI 功能描述:Bus Microstepping Motordriver Family |
| AMIS3062XAGEVK | 功能描述:電源管理IC開發(fā)工具 AMIS-3062x Automotive Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| AMIS3062XGEVK | 功能描述:電源管理IC開發(fā)工具 AMIS30624 eval kit mother board RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| AMIS-30660 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Speed CAN Transceiver |
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