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參數(shù)資料
| 型號： | 2917 |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | DUAL FULL-BRIDGE PWM MOTOR DRIVER |
| 中文描述： | 雙全橋PWM電機驅(qū)動 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 178K |
| 代理商： | 2917 |
2917
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
www.allegromicro.com
Limits
(at trip point)
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
BB
= 45 V, V
CC
= 5.0 V, V
REF
= 5.0 V (unless
otherwise noted).
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers (OUT
A
or OUT
B
)
Motor Supply Range
V
BB
10
—
45
V
Output Leakage Current
I
CEX
V
OUT
= V
BB
—
<1.0
50
μ
A
V
OUT
= 0
—
<-1.0
-50
μ
A
Output Sustaining Voltage
V
CE(sus)
I
OUT
=
±
1.5 A, L = 3.5 mH
45
—
—
V
Output Saturation Voltage
V
CE(SAT
)
Sink Driver, I
OUT
= +1.0 A*
—
0.5
0.7
V
Sink Driver, I
OUT
= +1.5 A*
—
0.8
1.0
V
Source Driver, I
OUT
= -1.0 A*
—
1.8
1.9
V
Source Driver, I
OUT
= -1.5 A*
—
1.9
2.1
V
Clamp Diode Leakage Current
I
R
V
R
= 45 V
—
<1.0
50
μ
A
Clamp Diode Forward Voltage
V
F
I
F
= 1.5 A
—
1.6
2.0
V
Driver Supply Current
I
BB(ON)
Both Bridges On, No Load
—
9.0
12
mA
I
BB(OFF)
Both Bridges Off
—
4.0
6.0
mA
Control Logic
Input Voltage
V
IN(1)
All Inputs
2.4
—
—
V
V
IN(0)
All Inputs
—
—
0.8
V
Input Current
I
IN(1)
V
IN
= 2.4 V
—
<1.0
20
μ
A
I
IN(0)
V
IN
= 0.8 V
—
-3.0
-200
μ
A
Reference Voltage Range
V
REF
Operating
1.5
—
7.5
V
Current Limit Threshold
V
REF
/V
SENSE
I
0
= I
1
= 0.8 V
9.5
10
10.5
—
I
0
= 2.4 V, I
1
= 0.8 V
13.5
15
16.5
—
I
0
= 0.8 V, I
1
= 2.4 V
25.5
30
34.5
—
Thermal Shutdown Temp.
T
J
—
170
—
°
C
Total Logic Supply Current
I
CC(ON)
I
0
= I
1
= V
EN
= 0.8 V, No Load
—
90
105
mA
I
CC(OFF)
I
0
= I
1
= 2.4 V, No Load
—
10
12
mA
Negative current is defined as coming out of (sourcing) the specified device pin.
Typical Data is for design information only.
* Pulse test (<10 ms).
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