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TB62208FNG,C8,EL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
TB62208FNG
2011-01-28
16
OSC-Charge Delay
The internal CR CLK signal is derived from the rising slope of the oscillator signal, as shown below. the internal
CRL CLK signal has a delay of approximately 1 μs maximum, relative to the CR waveform, when the CR
frequency = 1600 kHz.
Timing charts may be simplified for explanatory purposes.
OUT_A
Output Voltage
OUT_A
Output Voltage
Output
Current
OSC(CR)
Wave form
Internal CR CLK
Wave form
t
chop
OSC-Charge Delay
H
L
OSC-Fast Delay
50%
50%
L
H
H
L
L
Charge
50%
Slow Fast
Predefined
Current Level
TB62208FNG
2011-01-28
17
Phase Sequences
Two-Phase Excitation Mode
In two-phase excitation mode, the ENABLE input is held at logic High (except when the motor is off).
Note:The two-phase excitation mode is susceptible to significant load variations incurred by the motor back-EMF.
In Slow Decay mode, a current swell caused by the motor back-EMF might not be cut down.
100
0
Phase B
[%]
−100
Step
Phase B
Phase A
Phase A
-150
-100
-50
0
50
100
150
-150
-100 -50 0 50 100 150
Phase A
Phase B
④
③
①
②
TB62208FNG
2011-01-28
18
1-2-Phase Excitation Mode
Example of a 1-2-Phase Excitation Sequence, Including Reverse Rotation
Phase B
Phase A
100
0
[%]
−100
Step
Phase B
Phase A
ENABLE_B
ENABLE_A
-150
-100
-50
0
50
100
150
-150
-100 -50 0 50 100 150
Phase A
①
③④
⑤
⑥ ⑦ ⑧
②
Phase B
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TB62208FNG,C8,EL

Mfr. #:
Buy TB62208FNG,C8,EL
Manufacturer:
Toshiba
Description:
Motor / Motion / Ignition Controllers & Drivers Stepping Motor Driver IC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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