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參數(shù)資料
| 型號： | A8902 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Three-Phase Brushless DC Motor Controller/ Driver(用于5V或12V硬盤驅(qū)動器的三相無刷直流電機控制器/驅(qū)動器) |
| 中文描述： | 三相無刷直流電動機控制器/驅(qū)動器（用于5V的或12V的硬盤驅(qū)動器的三相無刷直流電機控制器/驅(qū)動器） |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 156K |
| 代理商： | A8902 |
8902–A
3-PHASE BRUSHLESS DC
MOTOR CONTROLLER/DRIVER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1992, 1995 Allegro MicroSystems, Inc.
FUNCTIONAL BLOCK DIAGRAM
CURRENT
CONTROL
Dwg. FP-034
22
21
23
17
20
CENTERTAP
10
CWD
3
OSC
16
SECTOR
DATA
14
FILTER
13
CST
4
CRES
12
BRAKE
11
OUTA
OUTB
OUTC
C
L
COMMUTATION
DELAY
CD1
CD2
24
2
WATCHDOG
TIMER
S
L
BLANK
FCOM
OUTA
5
OUTB
8
OUTC
9
1
LOAD
SUPPLY
BB
CHARGE
PUMP
FREQUENCY-
LOCKED LOOP
SERIAL PORT
MUX
C
DATA IN
D
O
C
S
R
TSD
RS
15
DD
LOGIC
SUPPLY
START-UP
OSC.
BOOST
CHARGE
PUMP
BRAKE
18-19
6-7
GROUND
GROUND
50
75
100
125
150
2.5
1.5
1.0
0.5
0
TEMPERATURE in
°
C
2.0
25
Dwg. GP-019B
R = 6
°
C/W
R = 55
°
C/W
A
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| A8904SLB | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
| A8904SLB-T | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
| A8904SLP | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
| A8904SLP-T | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
| A8904 | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| A8902CLBA | 制造商:Allegro MicroSystems LLC 功能描述:DC Motor Driver 24-Pin SOIC(300mil) |
| A8902CLBAJ | 制造商:Allegro MicroSystems LLC 功能描述:2CLBAJ |
| A8902SLB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| A8903SLB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| A8904 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
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