參數(shù)資料
型號： L6219DSTR-T
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： 雙路全橋式PWM馬達驅(qū)動器
文件頁數(shù)： 4/8頁
文件大?。?/td> 319K
代理商： L6219DSTR-T
Dual Full-Bridge PWM Motor Driver
L6219DS
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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
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
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
Operating
1.5
—
7.5
V
Current Limit Threshold
(at trip point)
V
REF
/V
COMPIN
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
14
mA
Fixed Off-Time
t
off
R
T
= 56 k
Ω
, C
T
= 820 pF
—
46
—
μ
s
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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