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参数资料
| 型号： | 8906 |
| 厂商： | Allegro MicroSystems, Inc. |
| 英文描述： | BIDIRECTIONAL 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
| 中文描述： | 双向三相无刷直流电机控制器/返回驱动程序，电磁场遥感 |
| 文件页数： | 3/12页 |
| 文件大小： | 159K |
| 代理商： | 8906 |
8906
BIDIRECTIONAL
3-PHASE BRUSHLESS DC
MOTOR CONTROLLER/DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
DD
= 5.0 V
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Logic Supply Voltage
V
DD
Operating
4.5
5.0
5.5
V
Logic Supply Current
I
DD
Operating
—
7.5
10
mA
Sleep Mode
—
250
500
μ
A
Load Supply Voltage
V
BB
Operating
4.0
—
14
V
Thermal Shutdown
T
J
—
165
—
°
C
Thermal Shutdown Hysteresis
T
J
—
20
—
°
C
Output Drivers
Output Leakage Current
I
DSX
V
BB
= 14 V, V
OUT
= 14 V
—
1.0
300
μ
A
V
BB
= 14 V, V
OUT
= 0 V
—
-1.0
-300
μ
A
Total Output ON Resistance
(Source + Sink + R
S
)
r
DS(on)
I
OUT
= 600 mA
—
1.0
1.4
Output Sustaining Voltage
V
DS(sus)
V
BB
= 14 V, I
OUT
= I
OUT
(MAX), L = 3 mH
14
—
—
V
Clamp Diode Forward Voltage
V
F
I
F
= 1.0 A
—
1.25
1.5
V
Control Logic
Logic Input Voltage
V
IN(0)
SECTOR DATA, RESET, CLK,
-0.3
—
1.5
V
V
IN(1)
CHIP SELECT, OSC
3.5
—
5.3
V
Logic Input Current
I
IN(0)
V
IN
= 0 V
—
—
-0.5
μ
A
I
IN(1)
V
IN
= 5.0 V
—
—
1.0
μ
A
DATA Output Voltage
V
OUT(0)
I
OUT
= 500
μ
A
—
—
1.5
V
V
OUT(1)
I
OUT
= -500
μ
A
3.5
—
—
V
C
ST
Current
I
CST
Charging
-9.0
-10
-11
μ
A
Discharging
—
500
—
μ
A
C
ST
Threshold
V
CSTH
2.25
2.5
2.75
V
V
CSTL
0.85
1.0
1.15
V
Filter Current
I
FILTER
Charging
-9.0
-10
-11
μ
A
Discharging
9.0
10
11
μ
A
Leakage, V
FILTER
= 2.5 V
—
—
5.0
nA
Filter Threshold
V
FILTERTH
1.57
1.85
2.13
V
C
D
Current
(C
D1
or C
D2
)
I
CD
Charging
-18
-20
-22
μ
A
Discharging
32
40
48
μ
A
C
D
Current Matching
—
I
CD(DISCHRG)
/I
CD(CHRG)
1.8
2.0
2.2
—
C
D
Threshold
V
CDTH
2.25
2.5
2.75
V
Continued next page
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