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參數(shù)資料
| 型號： | AN8267S |
| 廠商： | PANASONIC CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | ECONOLINE: REC3-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 3W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting |
| 中文描述： | BRUSH DC MOTOR CONTROLLER, 1.5 A, PDSO16 |
| 封裝： | 0.300 INCH, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 53K |
| 代理商： | AN8267S |
I
Supplementary Explanation
Precautions for Using the AN8267S
Observe the following in order to use the AN8267S safely
and properly.
Operating supply voltage range : 9.6V to 27.6V
1. Maximum applied voltage to the coil output Pins6 and 10
When driving the motor, the counter electromotive power
of the coil is applied to the coil output Pins6 and 10 when the
output transistor is turned off. (Refer to Fig.1)
With the AN8267S, see to it that this counter electromotive
power will be 55V or less at maximum.
(Suppressing the Counter Electromotive Power)
To suppress the counter electromotive power by the moter
coil to 55V at maximum, do as follows.
1) When using the Zener diode
Connect the Zener diode between the Pin11 of the
AN8267S and the power line. The counter electromotive
power which can be suppressed by the Zener diode is
V
CC
–V
D
+V
Z
. Since V
CCmax
.=27.6V;V
Zmax.
= 55V– 27.6V +
0.7V=28.1V
Therefore, if you keep V
Z
at 28V or less, the counter elec-
tromotive power will not exceed 55V.
2) When using the capacitor
Connect the capacitor between the base and collector of the
coil output transistor as shown in Fig.3.
A capacitor value is as follows. C : 1,000pF to 10,000pF
C : 1000pF—10000pF
This capacitor can dull a rise of the counter electromotive
power of the coil output. Select the capacitor so that maxi-
mum voltage of the counter electromotive power V
max.
will
not exceed 55V.
OFF
55V
max.
Output
Transistor
Hair-shaped Pulse
of Counter Electromotive Power
Fig.1 Coil Output Waveform
Motor Generated
Voltage
ON
OFF
AN8267S
13
16
4
8
6
11
12
Counterflow Preventive Diode
Zener Diode
Hall Element
14
1
10
Fig.2
AN8267S
13
16
4
8
6
11
12
Counterflow Preventive Diode
Hall Element
14
1
10
9
7
Fig.3
Dull a rise
I
Pins Descriptions
Pin No.
1
2
3
4
5
6
7
8
Pin name
Symbol
IN (–)
RD1
RD2
C
TSD
OUT1
B1
P. GND
B2
OUT2
VM
V
CC
GND
VS
NC
IN (+)
Hall input (–)
Rotation display 1 (pulse output)
Rotation display 2 (H/L output)
Lock protection automatic reset
Thermal shutdown
Motor coil output 1
Output base 1
Power ground
Pin No.
9
10
11
12
13
14
15
16
Pin name
Symbol
Output base 2
Motor coil output 2
Counter electromotive absorption
Supply voltage pin
Ground pin
Hall bias
Hall input (+)
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