tb6560aftg TOSHIBA Semiconductor CORPORATION, tb6560aftg Datasheet - Page 18
tb6560aftg
Manufacturer Part Number
tb6560aftg
Description
Pwm Chopper-type Bipolar Driver Ic For Stepping Motor Control
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB6560AFTG.pdf
(33 pages)
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11. Current Waveforms in Mixed Decay Mode
*: Even if the output current rises above the predefined current at the RNF point, the current control mode is briefly
•
•
switched to Charge mode for current sensing.
OSC Pin
Internal
Waveform
I
Predefined
Current Level
25 % Mixed
Decay Mode
I
Predefined
Current Level
25 % Mixed
Decay Mode
Predefined
Current Level
25 % Mixed
Decay Mode
OUT
OUT
I
OUT
When the NF points come after Mixed Decay Timing points
When the output current value > predefined current level in Mixed Decay mode
NF
NF
NF
CLK Signal Input
CLK Signal Input
f
chop
f
f
chop
chop
MDT (Mixed Decay Timing) Points
MDT (Mixed Decay Timing) Points
RNF
18
Current Level
Predefined
Current Level
Predefined
f
chop
MDT (Mixed Decay Timing) Points
RNF
Predefined Current Level
RNF
Switches to Fast mode after Charge mode
NF
RNF
f
f
chop
chop
f
chop
TB6560AFTG
NF
2011-05-23
NF
RNF
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