tb62214ftg TOSHIBA Semiconductor CORPORATION, tb62214ftg Datasheet - Page 12

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

AC Electrical Characteristics
Clock input frequency
Minimum high pulse width of
CLK input filter
Minimum low pulse width of
CLK input filter
Output transistor switching
characteristics
Blanking time for current spike
prevention
OSC_M oscillation frequency
Chopper frequency range
Chopper setting frequency
ISD masking time
ISD on-time
Timing Charts of Output Transistors Switching
Output voltage
Timing charts may be simplified for explanatory purposes.
GND
CLK
V
M
Characteristics
50%
10%
90%
t
pLH
f
10%
chop(RANGE)
1/f
t
t
t
t
ISD (Mask)
r
T
pLH (CLK)
pHL (CLK)
T
Symbol
t
CLK
BLANK
CLK (H)
CLK (L)
f
f
f
OSC
chop
t
CLK
ISD
t
t
50%
r
f
90%
(Ta = 25°C, V
Circuit
Test
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
f
High time of the clock input frequency
Low time of the clock input frequency
CLK to OUT
CLK to OUT
I
C
Output ACTIVE (l
After ISD threshold is exceeded due to
an output short-circuit to power or
ground
After ISD threshold is exceeded due to
an output short-circuit to power or
ground
OSC
OUT
V
OSC
M
=24V, Output ACTIVE (l
=1.0 A
M
12
= 1600 kHz
= 270 pF, R
= 24, 6.8 mH/5.7Ω)
Test Condition
out
⎯
⎯
OSC
=1.0A)
= 3.6 k Ω
out
=1.0A)
50%
1200
300
250
150
100
200
Min
40
⎯
⎯
⎯
⎯
−
4
TB62214FG/FTG
t
pHL
1000
1500
1600
Typ.
200
150
300
100
100
⎯
⎯
⎯
⎯
4
t
2010-06-10
f
90%
2000
Max
100
250
200
500
150
50%
⎯
⎯
⎯
⎯
⎯
−
8
10%
Clock OSC
Clock OSC
Unit
kHz
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns