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參數(shù)資料
| 型號： | M54685L |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | CAPACITOR ROHS 200V, 7400 UF |
| 中文描述： | 雙電機驅(qū)動器，帶有定向總督 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 74K |
| 代理商： | M54685L |
Bi-DIRECTIONAL MOTOR DRIVER WITH GOVERNOR
M54685L
MITSUBISHI <CONTROL / DRIVER IC>
PIN CONFIGURATION (TOP VIEW)
DESCRIPTION
The M54685L is a semiconductor integrated circuit that is capable
of directly driving a smallsize bi-directional motor rotating in both
forward and reverse directions.
FEATURES
G
Wide range of operating voltage (V
CC
= 4.5 – 14V)
G
Possible direct driving with TTL, PMOS and CMOS outputs
G
Small outline (10-pin SIP)
G
Built-in clamp diode
G
Low output saturation voltage (large voltage across motors)
G
Large output current drive (I
O(max)
= 500mA)
G
Provided with brake functions
G
Built-in thermal shutdown protection circuit
APPLICATION
Micro-cassette for phone-answering machine, tape deck, radio
cassette, and other sound equipment, and VTR and general
consumption appliances
FUNCTION
The M54685L 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 at right, by applying appropriate TTL-
level input to R, L and STB inputs.
The PLAY mode is a mode where speed is controllable and is used
to control the speed of motor by using two resistances, R
T
and R
S
,
as shown in the application example. R
T
and R
S
are generally
given by the following formulae:
R
T
= K
R
a
(K: current proportional constant, R
a
: Motor armature
resistance)
R
S
= K
a
N/IB (N: rotating speed, K
a
: Motor generation constant, IB:
PSC bias current)
FSC and RSC are pins to connect resistance that restricts the
rotating speed in FF and PLAY.
BLOCK DIAGRAM
LOGIC TRUTH TABLE
L
L
H
H
L
H
L
H
H
H
H
H
L
R
L
STB
Mode
High speed forward rotation (FF)
GOVERNOR forward rotation (PLAY)
High speed reverse rotation (REW)
Brake
Standby
O
1
1
Power supply
V
CC
10
3
5
2
9
8
L
7
R
O
2
4
PSC
6
Output 2
Output 1
R input
L input Standby input
FF speed control
REW speed control
RSC
GND
FSC
STB
Governor
circuit
Control circuit
(Thermal protection circuit)
Outline 10P5
1
4
3
2
5
6
7
8
9
10
Output 1
FF speed control
REW speed control
Output 2
Speed control
R input
L input
Standby input
Power supply
O
1
FSC
PSC
R
L
STB
V
CC
RSC
O
2
GND
M
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M54687FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Bi-Directional Motor Driver with Governor |
| M54687FP(#TG0G) | 制造商:Renesas Electronics Corporation 功能描述: |
| M5474GFE | 功能描述:模塊化系統(tǒng) - SOM M5474 FIRE ENGINE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| M5474HC564 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT HC564 INVERTING - HC574 NON INVERTING |
| M5474HC574 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT HC564 INVERTING - HC574 NON INVERTING |
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