參數資料
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： 43/67頁
文件大小： 2400K
代理商： AMIS-30623AAGA
AMIS-30623 LIN Microstepping Motordriver
Data Sheet
16.8.3. Fail Safe Motion
The OTP bit <FailSafe> enables or disables an automatic motion to a predefined safe position. See also Autonomous Motion.
Table 33: Fail Safe Enable Selection
<FailSafe>
Behavior
0
NO motion in case of LIN – lost
1
ENABLES motion to a safe position in case of LIN – lost
16.8.4. Autonomous Motion
AMIS-30623 is able to perform an Autonomous Motion to a preferred position. This positioning starts after the detection of lost LIN
communication and in case:
- the OTP bit <FailSafe> = 1.
- RAM register SecPos[10:0] ≠ 0x400
The functional behavior depends if LIN communication is lost during normal operation (see Figure 27 case A) or at (or before) start-up
(See Figure 27 case B):
Figure 27: Flow chart power-up of AMIS-30623. 2 cases are illustrated; Case A: LIN lost during operation and Case B: LIN lost at start-up
OTP content is
copied in RAM
Power Up
GetFullStatus
(LIN communication ON)
LIN bus OK
A
B
Yes
No
LIN Lost During Normal Operation
If the LIN communication is lost during normal operation, it is assumed that AMIS-30623 is referenced. In other words the ActPos
register contains the “real” actual position. At LIN – lost an absolute positioning to the stored secure position SecPos is done. This is
further called Secure Positioning.
Following sequence will be followed. See also Figure 28
1.
“SecPos[10:0]” from RAM register will be used. This can be different from OTP register if earlier LIN master communication
has updated this. See also Secure Position and command SetMotorParam.
2.
If the LIN communication is lost AND FailSafe = 0 there will be no secure positioning. Depending on SleepEn AMIS-30623 will
enter the STOP state or the SLEEP state. See Table 32.
3.
If the LIN communication is lost AND FailSafe = 1 there are 2 possibilities:
I. If SecPos[10:0] = 0x400:
no Secure Positioning will be performed
Depending on SleepEn AMIS-30623 will enter the STOP state or the SLEEP state. See Table 32.
II. If SecPos[10:0] ≠ 0x400:
Perform a Secure Positioning. This is an absolute positioning (slave knows its ActPos. SecPos[10:0] will be copied in
TagPos)
Important remarks:
(1) The Secure Position has a resolution of 11 bit
(2) Same behavior in case of HW2 float (= lost LIN address). See also Hardwired Address HW2
48
AMI Semiconductor
– June 2006, Rev 3.0
www.amis.com
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相關代理商/技術參數
參數描述
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/點火控制器和驅動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產品: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/點火控制器和驅動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產品: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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