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AMIS-30622_13 Datasheet, PDF (24/50 Pages) ON Semiconductor – I2C Micro-Stepping Motor Driver | |||
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T shutdown level
T
T warning level
AMISâ30622
T <tw> bit
T <tsd> bit
T < Ttw and
getfullstatus1
t
T > Ttsd, motor
stops and
shutdown
T < Ttw and
getfullstatus1
Figure 15. Illustration of Thermal Management Situation
Battery Voltage Management
The AMISâ30622 monitors the battery voltage by means
of one threshold and one shutdown level. The only condition
to reset flags <UV2> and <StepLoss> is to recover by a
battery voltage higher than UV1 and to receive a
GetFullStatus1 command.
â <UV2> = â0â
â <Steploss> = â0â
NORMAL
VOLTAGE
VBB > UV1
VBB > UV1
& LIN Frame
& LIN Frame
<GetFullStatus> or
<GetFullStatus> or
<GetStatus
VBB < UV2
<GetStatus>
VBB < UV2
No Motion & Motion Ongoing
â <UV2> = â1â
â <Steploss> = â0â
â Motor Shutdown
STOP
MODE
1
â <UV2> = â1â
â <Steploss> = â1â
â HardStop
â Motor Shutdown
STOP
MODE
2
Figure 16. State Diagram Battery Voltage Management
http://onsemi.com
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