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參數(shù)資料
| 型號： | TPD7203F |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO24 |
| 封裝： | 0.300 INCH, 1 MM PITCH, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 8/19頁 |
| 文件大?。?/td> | 901K |
| 代理商： | TPD7203F |
TPD7203F
2006-10-31
16
Method for Selecting External Parts
Pin
No.
Pin Name
Type
Recommended Value /
Recommended Product
Description
1
COSC
Capacitor
1500 pF (ceramic)
Sets the charge pump oscillation frequency.
2
ROSC
Resistor
100 k
Sets the charge pump oscillation frequency.
11
12
CP1
CP2
Capacitor
0.47
F
(laminated ceramic )
Capacitor for the charge pump: The greater this capa-
citance, the larger the charging current to the capa-
citor and the greater the loss in the IC.
24
CPV
Capacitor
1
F (laminated ceramic) and
10
F (aluminum electrolytic )
connected in parallel
The greater this capacitance, the larger the current
supply capacity of the charge pump (CPV pin) but the
greater the loss in the IC. Take care not to exceed the
allowable loss.
11
12
24
CP1
CP2
CPV
High-speed
iode
trr = 100 ns (max)
CRH01 (trr = 35 ns max)
recommended
Diode for the charge pump. An electric charge equal
to the diode's Qrr component goes out of the capa-
citor's
charged
electricity.
Therefore,
use
a
high-speed diode. Diode for the charge pump： An
electric charge equal to the Qrr component of the
diode goes out of the electrical charge of the
capacitor. Therefore use a high-speed diode.
22
20
18
17
16
14
UU
VU
WU
UB
VB
WB
Resistor
Gate resistor for external power MOSFET. Choose
the optimum value by considering the switching loss
and EMI of the power MOSFET.
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