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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)： | 13/67頁 |
| 文件大?。?/td> | 2400K |
| 代理商： | AMIS-30623AAGA |
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AMIS-30623 LIN Microstepping Motordriver
Data Sheet
15.1.4. Hardwired Address HW2
In Figure 11 a simplified schematic diagram is shown of the HW2 comparator circuit.
The HW2 pin is sensed via 2 switches. The DriveHS and DriveLS control lines are alternatively closing the top and bottom switch
connecting HW2 pin with a current to resistor converter. Closing STOP (DriveHS = 1) will sense a current to GND. In that case the top
I
R convertor output is low, via the closed passing switch SPASS_T this signal is fed to the “R” comparator which output HW2_Cmp is
high. Closing bottom switch SBOT (DriveLS = 1) will sense a current to VBAT. The corresponding I
R converter output is low and via
SPASS_B fed to the comparator. The output HW2_Cmp will be high.
12
3
2 = R2VBAT
3 = OPEN
1 = R2GND
COMP
I
R
I
R
th
LOGIC
High
Low
Float
DriveHS
DriveLS
HW2_Cmp
HW2
"R"-Comp
State
S
TOP
S
BOT
S
PASS_T
S
PASS_B
Debouncer
32
s
64 ms
Figure 11: Simplified Schematic Diagram of the HW2 Comparator
3 cases can be distinguished (see also Figure 11):
-
HW2 is connected to ground: R2GND or drawing 1
-
HW2 is connected to VBAT: R2VBAT or drawing 2
-
HW2 is floating: OPEN or drawing 3
Table 16: State Diagram of the HW2 Comparator
Previous State
DriveLS
DriveHS
HW2_Cmp
New State
Condition
Drawing
Float
1
0
Float
R2GND or OPEN
1 or 3
Float
1
0
1
High
R2VBAT
2
Float
0
1
0
Float
R2VBAT or OPEN
2 or 3
Float
0
1
Low
R2GND
1
Low
1
0
Low
R2GND or OPEN
1 or 3
Low
1
0
1
High
R2VBAT
2
Low
0
1
0
Float
R2VBAT or OPEN
2 or 3
Low
0
1
Low
R2GND
1
High
1
0
Float
R2GND or OPEN
1 or 3
High
1
0
1
High
R2VBAT
2
High
0
1
0
High
R2VBAT or OPEN
2 or 3
High
0
1
Low
R2GND
1
The logic is controlling the correct sequence in closing the switches and in interpreting the 32
s debounced HW2_Cmp output
accordingly. The output of this small state-machine is corresponding to:
-
High or address = 1
-
Low or address = 0
-
Floating
20
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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