參數(shù)資料
型號: 8902-A
英文描述: 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING
中文描述: 3相無刷直流電動(dòng)機(jī)控制器/驅(qū)動(dòng)器,反電動(dòng)勢遙感
文件頁數(shù): 2/12頁
文件大小: 156K
代理商: 8902-A
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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