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参数资料
| 型号： | M51971FP |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 0.02 A, PDSO10 |
| 封装： | 10P2-C |
| 文件页数： | 2/13页 |
| 文件大小： | 387K |
| 代理商： | M51971FP |
MOTOR SPEED CONTROL
M51971L/FP
MITSUBISHI <CONTROL / DRIVER IC>
R
+ RSC
I
max
=
VI. To switch the set rotating speed in stages with
control signals
VIII. To limit drive current to the motor
VII. Limiting output current at pin
to prevent the
IC from heating
9
IX. Frequency comparator
9
V max
9
: V
max
9
~
~ 3.2V, R 9 ~
~100
(See the Electrical Characteristics and Typical Characteristics.)
Note: The selected Hysteresis of the Schmitt circuit must be more than or
equal to the ripple current at pin
(to prevent chattering).
8
RSC
IMmax =
VBE2
~
1)
RSC
0.7V
2) To reduce power loss due to a current limiting resistance
IMmax = (VBE2 – VBE1
)/ RSC
~
(R2 +R3) RSC
0.7V x R2
R2 +R3
R3
x
Input/output transmission characteristics
~
1.20 x R
τ Cτ
1
fTH1
~
1.09 x R
τ // R’τ x Cτ x In
1
fTH2
R’
τ – 2Rτ
3(R
τ + R’τ)
R
τ1
M51971L
M51971FP
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
CF1
CF2
RF
R1
200
VCC
Q1
Q2
IM
RSC
6
7
5
R
τ2
R
τ3
C
τ
Control
signal 1
Control
signal 2
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
CF1
CF2
RF
RSC
VCC
Q1
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
CF1
CF2
RF
R1
200
VCC
Q1
Q2
IM
RSC
R2
R3
7
8
9
10
6
R
τ
C
τ
M51971L
M51971FP
Frequency input
CF
VCC
Output
4
5
R’
τ
R’
τ > 2Rτ
Schmitt circuit
Output
voltage
Input frequency
fTH2
fTH1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M51971L | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:MOTOR SPEED CONTROL |
| M51977FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATIR CONTROL |
| M51977P | 制造商:Panasonic Industrial Company 功能描述:IC SUBBING WITH PQVIM51977P |
| M51978FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATOR CONTROL |
| M51978P | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATOR CONTROL |
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