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參數(shù)資料
| 型號： | AMIS-30623AAGA |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.8 A, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 14/67頁 |
| 文件大?。?/td> | 2400K |
| 代理商： | AMIS-30623AAGA |
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AMIS-30623 LIN Microstepping Motordriver
Data Sheet
As illustrated in Table 16 the state is depending on the previous state, the condition of the 2 switch controls (DriveLS and DriveHS) and
the output of HW2_Cmp. Figure 12 is showing an example of a practical case where a connection to VBAT is interrupted.
t
R
th
Tsw = 1024
s
DriveHS
"R"-Comp
t
DriveLS
HW2_Cmp
State
t
Tsw_on = 128
s
Condition
R2VBAT
OPEN
Hi
g
h
Low
Float
Hi
g
h
Hi
g
h
Hi
g
h
Hi
g
h
R2VBAT
R2GND
Float
Hi
g
h
Float
Hi
g
h
Hi
g
h
Low
t
Figure 12: Timing Diagram Showing the Change in States for HW2 Comparator
R2VBAT
A resistor is connected between VBAT and HW2. Every 1024
s SBOT is closed a current is sensed, the output of the I
R converter is
low and the HW2_Cmp output is high. Assuming the previous state was floating, the internal LOGIC will interpret this as a change of
state and the new state will be High. (see also Table 16). The next time SBOT is closed the same conditions are observed. The previous
state was High, so based on Table 16 the new state remains unchanged. This high state will be interpreted as HW2 address = 1
OPEN
In case the HW2 connection is lost (broken wire, bad contact in connector) the next time SBOT is closed this will be sensed. There will be
no current, the output of the corresponding I
R converter is High and the HW2_Cmp will be low. The previous state was High. Based
in Table 16 one can see that the state changes to float. This will trigger a motion to secure position after a debounce time of 64 ms.
This prevents false triggering in case of false micro interruptions of the power supply. See also Electrical transient conduction along
R2GND
If a resistor is connected between HW2 and the GND, a current is sensed every 1024
s whet STOP is closed. The output of the top I
R converter is low and as a result the HW2_Cmp output switches to High. Again based on the stated diagram in Table 1 one can see
that the state will change to Low. This low state will be interpreted as HW2 address = 0.
21
AMI Semiconductor
– June 2006, Rev 3.0
www.amis.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-30623AANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BAGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS30623C6238G | 功能描述:馬達/運動/點火控制器和驅(qū)動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| AMIS30623C6238RG | 功能描述:馬達/運動/點火控制器和驅(qū)動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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