參數(shù)資料
型號(hào)： TB62300FG
廠商： Toshiba Corporation
英文描述： Dual Full-Bridge Driver for DC Motor
中文描述： 雙路全橋式直流電動(dòng)機(jī)驅(qū)動(dòng)器
文件頁(yè)數(shù)： 19/28頁(yè)
文件大小： 618K
代理商： TB62300FG
TB62300FG
2005-04-04
19
Power Supply Sequence
(Recommended)
Note 1: If V
DD
drops to the level of the V
DDR
or below while the specified voltage is applied to the V
M
pin, the IC is
internally reset.
This is a protective measure against malfunction. Likewise, if V
M
drops to the level of V
MR
or below while
regulation voltage is applied to V
DD
, the IC is internally reset as a protective measure against malfunction.
To avoid malfunction, when turning on V
M
or V
DD
, applying a signal to the SLEEP pin at the above timing is
recommended.
It takes time for the output control charge pump circuit to stabilize. Wait up to t
ONG
time after power on
before driving a motor.
Note 2: When the V
M
value is between 3.3 to 5.5 V, the internal reset is released, thus output may be active. In
such a case, the charge pump circuit cannot operate properly because of insufficient voltage. The IC should
be held in SLEEP mode until V
M
reaches 13 V or more.
Note 3: Since V
DD
=
0 V and V
M
=
voltage within the rating are applied, output is turned off by internal reset.
At that time, a current of several mA flows due to a current path between V
M
and V
DD
.
When the output voltage is high, make sure that the specified voltage is applied to V
DD
.
V
DD (max)
V
DD (min)
V
DDR
GND
V
DD
V
M
V
M (min)
V
MR
GND
V
M
Non-reset
Reset
Internal reset
H
L
SLEEP input
(Note1)
Takes up to t
ONG
until operable
Non-operable area
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