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參數(shù)資料
| 型號： | OM9373SP |
| 廠商： | International Rectifier |
| 英文描述： | FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR |
| 中文描述： | 全功能直接驅(qū)動電源模塊的三相無刷直流電動機 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大小： | 150K |
| 代理商： | OM9373SP |
www.irf.com
13
OM9373
Commutation Truth Table
Table 1 shows the Phase Output state versus the state
of the Hall-Effect and Direction Inputs. Please note
that the OM9373 Hall-Effect Inputs are Grey-encoded;
that is, only one input is allowed to change from one
input state to another at a time.
Table 1 - Commutation Truth Table
Dir
H1
H2
H3
A
B
C
1
1
1
1
1
1
0
0
0
0
0
0
X
X
0
0
0
1
1
1
1
1
1
0
0
0
0
1
0
1
1
1
0
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
0
1
Hi-Z
Sink
Sink
Hi-Z
Source
Source
Sink
Sink
Hi-Z
Source
Source
Hi-Z
Hi-Z
Hi-Z
Sink
Hi-Z
Source
Source
Hi-Z
Sink
Source
Sink
Sink
Hi-Z
Source
Hi-Z
Hi-Z
Source
Source
Hi-Z
Sink
Sink
Hi-Z
Hi-Z
Source
Source
Hi-Z
Sink
Sink
Hi-Z
Hi-Z
Digital Inputs
Phase Outputs
The commutation coding shown reflects Hall-Effect
sensors that are spaced at 120° mechanical
increments. Also, internal protection logic disables
all three Phase Outputs when the Hall-Effect Inputs
are set to an illegal condition (i.e. all logic low or all
logic high).
The OM9373 is offered in F-43, a hermetic flatpack
package as well as in MP3-43L, a plastic ring frame,
low profile flatpack package.
The hermetic version is offered in two standard
screening levels: a full military temperature range of
-55°C to +125°C with limited screening and with
Package and Screening Options
MIL-STD-883 screening. The plastic ring frame ver-
sion is offered in an industrial temperature range of
-40°C to +85°C with limited screening.
The screening levels for the SFB, SFP and SPP
versions are listed in the table below. All tests and
inspections are in accordance with those listed in
MIL-STD-883.
Test / Inspection
SFB
SFP
SPP
Precap Visual Inspection
Temperature Cycle
Mechanical Shock
Hermeticity ( Fine and Gross Leak )
Pre Burn-In Electrical
Burn-In ( 160 hours )
Final Electrical Test
Group A Testing
Final Visual Inspection
100%
100%
100%
100%
100%
100%
100%
NA
NA
100%
NA
NA
+25°C
NA
100%
100%
NA
NA
NA
NA
NA
+25°C
NA
100%
-55°C, 25°C, +125°C
100%
100%
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