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參數(shù)資料
| 型號(hào)： | HA13609ANT |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Three-Phase Brushless Motor Driver |
| 中文描述： | 三相無刷電機(jī)驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 16/31頁 |
| 文件大小： | 143K |
| 代理商： | HA13609ANT |
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HA13609ANT
16
Set C3 and derive the integration constants from following formulas.
R6 = 0
1
ω
P
· C3
R3
G
(E)
1
2 · R5 ·
ω
o
R7 = R5
Next, determine R4 to match the phase of PLL OUT.
(3.46 – V
P
) R3
(V
P
– 1.2) – (1.9 – V
P
) · R3 / R5
Here, V
P
: See the electrical characteristics.
When log
ω
/
ω
is greater than 2, a phase advance to compensate for this phenomenon is
required. Use the following formula to set the phase advance;
C5 · R8
>
20 · 2
ω
P
R4
R6
R7
R3 =
R5 =
C4 =
R4
=
R8
C5
R5
C4
DIS
PLL
4. The following formulas determine the stuck rotor protect detection time t
(detects the current
limiter operating time), the output off time t
OFF
, and the setup time t
set
. The figures show the
operating waveforms.
V1
Isink
V2
Isource· C105
≈
0.32
×
10
6
· C105
V
LH2
Is
See the electrical characteristics for the definitions of
V1,
V2, Isink, Isource, and Is.
Standby
(MD0k to 2 = Low)
Enable
t
LP
=
t
OFF
=
t
set
=
· C105
≈
0.09
×
10
6
· C105
· C105
≈
0.0005
×
10
6
· C105
[sec]
[sec]
[sec]
0
V
LH1
V
LH2
V
LL
0
Current limiter
operation
Lock
protect
pin
t
set
t
LP
t
OFF
t
LP
Output off
V1
V2
I
RNF
Note that a capacitor with a leakage current sufficiently smaller that Isource must be used for
C105.
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