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參數(shù)資料
| 型號： | IRMD2214SS |
| 廠商： | International Rectifier |
| 英文描述： | For 3-phase / 380V motor drives |
| 中文描述： | 3相/ 380V電機驅動器 |
| 文件頁數(shù)： | 8/22頁 |
| 文件大?。?/td> | 1391K |
| 代理商： | IRMD2214SS |
Datasheet rev 2.1
IRMD2214SS
OPERATING DESCRIPTION
Power on sequence
Before beginning the normal operating mode, it is strongly recommended to follow the power ON
sequence. The purpose of this procedure is to set the internal device logic. This is achieved by charging
all bootstrap capacitors for the first time with the FLT_CLR signal active. See Figure 4 for the correct
procedure.
www.irf.com
page
8/22
Sep 9
th
, 2004
Figure 4: Power on sequence
Normal operating mode
In the normal operating mode when HIN or LIN is active the high or low side IGBT turns on respectively.
Turn on and turn off propagation delays and the propagation delay matching are specified in the
IR2214SS datasheet. Devices introduce also a minimum dead-time (typical 330 ns).
Fault management
The IR2214SS is able to detect the excessive current increase by monitoring the IGBT desaturation. The
three-phase connection of the IR2214SS allows managing all power module faults using the FAULT/SD
and SYNC_FLT signals in a local network.
Figure 5 shows how the devices are interconnected to each other and with the FAULT/SD pin on the
connector. The fault management procedure starts when one of the drivers senses the IGBT
desaturation (see Figure 5 where, as an example, only one low side IGBT is shown).
Figure 6 shows an example where the low side IGBT of U1 and U3 and the high side of U2 are on.
The procedure is totally managed by an integrated FAULT LOGIC block without the controller
assistance.
HIN1
HIN2
HIN3
LIN1
LIN3
LIN2
FLT_CLR
V
CC
power-on
charging Cboot
n
0
10
20
30
40
50
60
70
80
90
100
time
(usec)
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相關代理商/技術參數(shù) |
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| IRMD26310DJ | 功能描述:電源管理IC開發(fā)工具 COMPLETE 3-PHASE AC IRS26310DJ REF Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| IRMDAC2 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:IR2133 Reference Design Kit: 3-Phase 230VAC 3HP Motor Drive 3-Phase 230VAC 3HP Motor Drive |
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