tb62202afg TOSHIBA Semiconductor CORPORATION, tb62202afg Datasheet - Page 63

• Manufacturer Part Number: tb62202afg
• Description: Dual-stepping Motor Driver Ic For Oa Equipment Using Pwm Chopper Type
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Power Supply Sequence
Note 1: If the V
Note 2: When the V
Note 3: Since V
K
K K K
V
V
Internal reset
input
RESET
DD
M
*
internally reset. This is a protective measure against malfunction. Likewise, if the V
V
against malfunction. To avoid malfunction, when turning on V
It takes time for the output control charge pump circuit to stabilize. Wait up to t
before driving the motors.
case, the charge pump cannot drive stably because of insufficient voltage. We recommend the RESET state
be maintained until V
time, a current of several mA flows due to the Pass between V
RESET signal at the above timing.
MR
or below while regulation voltage is input to the V
DD
DD
V
V
V
GND
V
V
V
GND
NON-RESET
RESET
RESET
drops to the level of the V
DD (max)
DD (min)
DDR
M
M (min)
MR
=
M
0 V and V
value is between 3.3 to 5.5 V, the internal reset is released, thus output may be on. In such a
x x x
x x x
x x x
x x x
x x x
x x x
x x x
M
H
L
reaches 20 V or more.
M
(Recommended)
=
voltage within the rating are applied, output is turned off by internal reset. At that
x x
x x
DDR
or below while the specified voltage is input to the V
x x x
x x x
x x x
x x x
x x x
x x x
x x x
Takes up to t
63
Non-operable area
DD
ONG
, the IC is internally reset as a protective measure
until operable.
M
M
or V
and V
DD
, we recommend you input the
DD
.
x x
x x
x x x x
x x
x x x x
ONG
M
time after power on
drops to the level of the
TB62202AFG
M
2005-04-04
pin, the IC is
t