TMC223 DATASHEET (V. 1.05 / March 7, 2011)
17
5.1.13 Battery Voltage Management
The TMC223 provides an internal battery voltage monitoring. The circuit goes into shutdown mode if
the battery voltage falls below threshold UV2, furthermore one threshold UV1 is implemented to
generate a low voltage warning.
Vbat > UV1 &
GetFullStatus1
Vbat > UV1 &
GetFullStatus1
Normal Voltage
<UV2> = '0'
<StepLoss> = '0'
Motion = enabled
Vbat > UV1
Vbat < UV1
Low Voltage
<UV2> = '0'
<StepLoss> = '0'
Motion = enabled
Vbat < UV2
(no Motion)
Vbat < UV2
(Motion)
Stop Mode 1
Stop Mode 2
<UV2> = '1'
<StepLoss> = '0'
Motion = disabled
<UV2> = '1'
<StepLoss> = '1'
HardStop
Motion = disabled
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