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參數(shù)資料
| 型號： | TPD7210F |
| 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)： | 17/17頁 |
| 文件大?。?/td> | 285K |
| 代理商： | TPD7210F |
TPD7210F
2008-05-12
9
Note6 : About the dead time
High-side/low-side arm shorting mode is disabled by the internal logic. All outputs can be turned off. The
deadtime of this product is 1
μs. That doesn't contain deadtime of external power MOSFET. Please set the
deadtime of the input signal after considering the switching time of external power MOSFET.
Note7 : About the direct input method of the charge pump oscillation frequency
By the oscillation signal from the outside to COSC it is possible to set up the charge pump oscillation. As this
method, please input the signal to COSC after VDD becomes over 9V. (VCOSC ≤ 5.5V) Moreover, please use
the terminal ROSC by the resistance unconnection (open). When the CPV voltage reaches up to the
clamping voltage, though the signal is input to COSC, the movement of the charge pump (oscillation) stops.
Test Circuit 1
Switching times
Example of measuring UU output
Truth Table
IN
ENB
VOUT
FAULT
STATE
L
H
L
H
L
H
L
Normal
L
H
L
H
L
H
L
H
VDD under-voltage detection
L
H
High-side H
Low-side H
H
L
H
Upper and lower short-circuit input detection
tr ≤ 0.1μstf ≤ 0.1μs
td(ON)
tON
td(OFF)
tOFF
VDD=13.5V
VDD - 3V
(VDD - 3V)×90%
(VDD - 3V)×10%
Input waveform
VIN
50%
5V(100%)
Output waveform
VOUT
90%
10%
90%
10%
23
13
3
9
11
20
18
16
IN1
VDD
CPV
UU
SGND1
47
Ω
12400pF
V
1
ENB
5V
13.5V
P.
G
.
SGND2
PGND1
PGND2
·
When under-voltage (5.5V typ.) is detected, only FAULT outputs “H".
Neither the output nor the operation of the charge pump circuit stops(off).
·
When a in-phase high side and the low side input are the “H" levels, all
the outputs be made “L" level, and the “H" level is output to FAULT.
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