参数资料
| 型号： | NSD-2101-ASST |
| 厂商： | ams |
| 文件页数： | 12/23页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MOTOR SQUIGGLE 16-QFN |
| 产品培训模块： | Miniature Motion Control Overview |
| 标准包装： | 1 |
| 系列： | SQUIGGLE® |
| 应用： | 压电电机驱动器 |
| 评估套件： | 可供 |
| 输出数： | 1 |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -30°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN（4x4） |
| 包装： | 标准包装 |
| 其它名称： | NSD-2101-ASSTDKR |
NSD-2101
Datasheet - D e t a i l e d D e s c r i p t i o n
7.6 Control Register
The control register is used to trigger frequency calibration as well as to select and enable the drive phases.
Table 9. Control Register
Control Flag Mask
1000 0000
0100 0000
Abbr
PS[1]
Default
0
1
Description
Reserved (leave 0)
Phase Select for sensing: PS[1] PS[0]:
00=None
0010 0000
PS[0]
1
01=Phase1
10=Phase2
11= Both Phases
0001 0000
0
Reserved (leave 0)
0000 1000
CN[1]
0
Calibrate Now: CN[1] CN[0]:
00=None
0000 0100
CN[0]
0
01=Incremental
10=Sweep
11=reserved
0000 0010
0000 0001
P1
P2
1
1
Enable Phase1
Enable Phase2
7.7 Period Counter
The period counter is used to define the switching frequency of the motor. The pulse period is generated by dividing the internal VCO clock
frequency by the given period counter value. The MSB in the high byte of the pulse counter (p) is used as the MSB for the period counter.
At 25MHz clock a decimal period counter value of 125 gives an output frequency of 200 kHz. A period counter value of 126 results in a switching
frequency of 198.41 kHz. This is equal to a maximum frequency step of 1.59 kHz. The frequency resolution gets better for lower switching
frequencies assuming a fixed VCO clock frequency.
Table 10 lists out few examples to define period counter and output switching frequency relationship. The values are given for 25MHz typical
VCO clock frequency. The switch frequency is given as:
Table 10. Period Counter Values
f D = 25MHz / period counter value
(EQ 1)
Period Counter Value
0 0111 1101
0 0111 1110
0 1001 0001
0 1010 0110
0 1010 0111
1 1111 0011
1 1111 0100
Typ
200.00
198.41
172.4
150.60
149.70
50.10
50.00
Revision 0.6
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
11 - 22
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相关代理商/技术参数 |
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| NSD2101-DWLS | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Piezo Motor Driver ASIC for SQL-RV Series Reduced Voltage SQUIGGLE RV and UTAF Motors |
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