參數(shù)資料
型號: IR21381Q
廠商: International Rectifier
英文描述: 3-PHASE AC MOTOR CONTROLLER IC
中文描述: 3相AC電機控制IC
文件頁數(shù): 18/30頁
文件大?。?/td> 1133K
代理商: IR21381Q
IR22381Q
PBF
/IR21381Q
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F
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18
Timing and logic state diagrams description
The following picture (Figure 18) shows the input/output logic diagram.
Figure 18:
I/O timing diagram
Referred to timing diagram of Figure
18:
A. When the input signals are on together
the outputs go off (anti-shoot through).
B. The HO signal is on and the high side
IGBT desaturates, the HO turn off softly.
FAULT goes low. While in SSD, if LIN
goes up, LO does not change (freeze).
C. When FAULT is latched low (see FAULT
section)
it
can
LIN1=LIN2=LIN3=0 condition.
D. SD disable HO and LO outputs.
be
disabled
by
E. The LO signal is on and the low side
IGBT desaturates, the low side behaviour
is the same as described in point B.
F. As C.
G. As D.
H. As A.
I.
The BR signal is on and the brake IGBT
desaturates. The driver goes in FAULT
condition tuning off all the IGBTs (Hard
shut down).
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