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參數(shù)資料
| 型號： | 2919 |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 基準(zhǔn)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(jī)驅(qū)動 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 98K |
| 代理商： | 2919 |
2919
DUAL FULL-BRIDGE
MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, T
J
≤
150
°
C, V
BB
= 45 V, V
CC
= 4.75 V to 5.25 V,
V
REF
= 5.0 V (unless otherwise noted).
(at trip point)
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers (OUT
A
or OUT
B
)
Motor Supply Range
V
BB
Operating
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
=
±
750 mA, L = 3.0 mH
45 + V
F
—
—
V
Output Saturation Voltage
V
CE(SAT)
Sink Driver, I
OUT
= +500 mA
—
0.4
0.6
V
Sink Driver, I
OUT
= +750 mA
—
1.0
1.2
V
Source Driver, I
OUT
= -500 mA
—
1.0
1.2
V
Source Driver, I
OUT
= -750 mA
—
1.3
1.5
V
Clamp Diode Leakage Current
I
R
V
R
=
45 V
—
< 1.0
50
μ
A
Clamp Diode Forward Voltage
V
F
I
F
= 750 mA
—
1.6
2.0
V
Driver Supply Current
I
BB(ON)
Both Bridges ON, No Load
—
20
25
mA
I
BB(OFF)
Both Bridges OFF
—
5.0
10
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
V
IN
= 0.8 V
—
- 3.0
-200
μ
A
Reference Voltage Range
V
REF
1.0
—
7.5
V
Current Limit Threshold
V
REF
/V
SENSE
I
0
= I
1
= 0.8 V, V
REF
= 1.0 V to 7.5 V
9.5
10
10.5
—
I
0
= 2.4 V, I
1
= 0.8 V,
V
REF
= 1.5 V to 7.5 V
13.5
15
16.5
—
I
0
= 0.8 V, I
1
= 2.4 V,
V
REF
= 1.5 V to 7.5 V
20.7
24.4
28.0
—
Thermal Shutdown Temperature
T
J
—
170
—
°
C
Total Logic Supply Current
I
CC(ON)
I
0
= I
1
= 0.8 V, No Load
—
40
50
mA
I
CC(OFF)
I
0
= I
1
= 2.4 V, No Load
—
10
12
mA
Total Reference Current
I
REF1
+ I
REF2
V
REF1
= V
REF2
= 7.5 V, I
0
= I
1
= 2.4 V
140
185
250
μ
A
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