A3982SLB Allegro Microsystems Inc, A3982SLB Datasheet - Page 4

• Manufacturer Part Number: A3982SLB
• Description: IC MOTOR DRIVER STEPPER 24-SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3982SLB

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3982
1
2
individual units, within the specified maximum and minimum limits.
3
ELECTRICAL CHARACTERISTICS
Output Drivers
Load Supply Voltage Range
Logic Supply Voltage Range
Output On Resistance
Body Diode Forward Voltage
Motor Supply Current
Logic Supply Current
Control Logic
Logic Input Voltage
Logic Input Current
Input Hysteresis
Blank Time
Fixed Off-Time
Reference Input Voltage Range
Reference Input Current
Current Trip-Level Error
Crossover Dead Time
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
err
Negative current is defined as coming out of (sourcing from) the specified device pin.
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
I
= (I
Trip
Characteristics
– I
Prog
) ⁄ I
Prog
, where I
3
Prog
= %I
TripMAX
DMOS Stepper Motor Driver with Translator
Symbol
V
R
UV
t
T
1
V
V
UV
HYS(IN)
BLANK
V
I
I
V
V
t
I
DSON
IN(1)
IN(0)
I
I
err
t
JHYS
V
OFF
REF
IN(1)
IN(0)
T
at T
BB
DD
REF
DT
×
BB
DD
HYS
F
J
LO
I
I
TripMAX
A
= 25°C, V
.
Operating
Operating
Source Driver, I
Sink Driver, I
Source Diode, I
Sink Diode, I
f
Operating, outputs disabled
f
Outputs off
V
V
OSC > 3 V
R
V
V
V
PWM
PWM
IN
IN
OSC
REF
REF
DD
= V
= V
rising
< 50 kHz
< 50 kHz
= 2 V,
= 2 V,
= 25 kΩ
BB
Test Conditions
DD
DD
= 35 V (unless otherwise noted)
×
×
%I
%I
0.7
0.3
OUT
F
TripMAX
TripMAX
= 1.5 A
OUT
F
= 1.5 A
= –1.5 A
= –1.5 A
= 70.71%
= 100.00%
V
DD
Min.
2.35
0.05
–20
–20
150
100
3.0
0.7
20
23
–3
8
–
–
–
–
–
–
–
–
–
0
–
–
–
–
×
0.7
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Typ.
0.370
0.330
<1.0
<1.0
0.10
300
475
165
2.7
30
30
15
–
–
–
–
–
–
–
–
–
–
1
–
0
–
–
2
V
DD
0.460
0.380
Max.
500
800
5.5
1.2
1.2
1.3
35
20
20
40
37
±5
±5
4
2
8
5
–
4
3
–
–
3
–
×
0.3
Units
mA
mA
mA
mA
mV
μA
μA
μA
°C
°C
μs
μs
μs
ns
%
%
Ω
Ω
V
V
V
V
V
V
V
V
V
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