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參數(shù)資料
| 型號： | M54687FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Bi-DIRECTIONAL MOTOR DRIVER WITH GOVERNOR |
| 中文描述： | 雙電機驅(qū)動器，帶有定向總督 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 133K |
| 代理商： | M54687FP |
Bi-DIRECTIONAL MOTOR DRIVER WITH GOVERNOR
M54687FP
MITSUBISHI <CONTROL / DRIVER IC>
O
2
FG
G
H
DESCRIPTION
The M54687FP is a semiconductor integrated circuit that is
capable of directly controlling the rotating direction and rotating
speed of a smallsize bi-directional motor rotating in both forward
and reverse directions.
FEATURES
G
Capable of controlling the speed in forward and reverse rotating
directions
G
Capable of controlling the speed in high speed mode
G
Large output current drive (I
O(max)
=700mA)
G
Built-in clamp diode
G
Flat package (16P2N )
APPLICATION
Micro-cassette for phone-answering machine, AV equipment, and
other general consumption appliances
FUNCTION
The M54687FP is an IC that can control the forward rotation,
reverse rotation and speed of small DC brush motor.
For the basic operation of this IC, output modes are selected, as
shown in the logic truth table, by entering appropriate H/L level into
the R, L and S inputs.
Two resistances are put between the output pin and the PSC pin
and the resistance ratios are appropriately adjusted to perform the
speed control.
In addition to the above, speed control can be done by varying the
voltage at V
R
pin, in the high speed mode.
Outline 16P2N-A
Power supply
M
BLOCK DIAGRAM
R
v
Output 2
O
2
NC: no connection
PSC1
GND
L-V
CC
PSC2
LOGIC TRUTH TABLE
Reverse rotation high speed governor
Reverse rotation governor
Input
L
H
L
H
Output
O
1
H
H
FG
Mode
Forward rotation high speed governor
Forward rotation governor
High Speed
control
Power supply
V
CC
7
9
16
GND
Output 1
O
1
15
Speed control 1
R input
S input
L input
Power supply
Speed control 2
Power supply
Output 1
High speed
control
Output 2
16
13
14
15
1
4
3
2
12
5
11
6
10
7
9
8
R
S
L
P-V
CC
O
1
V
R
GND
NC
O
2
P-V
CC
L
H
L
H
R
H
H
L
L
L
H
L
L
H
S
H
H
H
H
L
L
L
L
G
L
OFF
H
L
OFF
REV
BRAKE
STB
FF
PLAY
REW
Brake operation
Standby mode output high imp.
Reserved
G: Governor control output mode
FG: Rotating speed controllable with the voltage at V
R
pin (However, the
precision is worse than G.)
10
14
8
4
5 12 13
1
( – )
V
R
Speed control 1
PSC1
Speed control 2
PSC2
Activation circuit
R
v
Control circuit
R input
L input
S input
C
C
3
S
6
L
2
R
PIN CONFIGURATION (TOP VIEW)
( – )
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