tb62214ftg TOSHIBA Semiconductor CORPORATION, tb62214ftg Datasheet - Page 13

• Manufacturer Part Number: tb62214ftg
• Description: Bicd Constant-current Two-phase Bipolar Stepping Motor Driver Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

of the whole period and then is followed by Slow-Decay mode for the remainder of the period.
Current Waveform in Mixed-Decay Mode
Timing Charts of CLK, Output Current and MO Output
37.5%
Mixed-decay
current level
Mixed-Decay mode, the purpose of which is constant-current control, starts out in Fast-Decay mode for 37.5%
Timing charts may be simplified for explanatory purposes.
Timing charts may be simplified for explanatory purposes.
Predefined
I
Internal
CR CLK
OUT
W1-2 phase
Clock input
Two-phase
1-2-phase
excitation
excitation
excitation
MO output
MO output
MO output
A phase
B phase
A phase
B phase
A phase
B phase
NF
f
chop
MDT (mixed decay timing) Point: 37.5% (6/16) Fixed
MDT
Predefined current level
13
NF
f
chop
MDT
TB62214FG/FTG
2010-06-10