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參數(shù)資料
| 型號(hào)： | UDN2916LBTR-T |
| 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(dòng) |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 585K |
| 代理商： | UDN2916LBTR-T |
2916
DUAL FULL-BRIDGE
MOTOR DRIVER
www.allegromicro.com
3
Limits
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
μA
V
OUT
= 0
—
<–1.0
–50
μA
Output Sustaining Voltage
V
CE(sus)
I
OUT
= ±750 mA, L = 3.0 mH
45
—
—
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
μA
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
μA
V
IN
= 0.8 V
—
– 3.0
–200
μA
Reference Voltage Range
V
REF
Operating
1.5
—
7.5
V
Current Limit Threshold
(at trip point)
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 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
Fixed Off-Time
t
off
R
T
= 56 k
, C
T
= 820 pF
—
46
—
μs
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).
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