A3980KLP Allegro Microsystems Inc, A3980KLP Datasheet - Page 5

• Manufacturer Part Number: A3980KLP
• Description: IC DRIVER MICROSTEPPING 28-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3980KLP

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ± 1A
• Voltage - Load: 7 V ~ 50 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3980
ELECTRICAL CHARACTERISTICS
1
for individual units, within the specifi ed maximum and minimum limits.
2
3
Current Control
Blank Time
Fixed Off Time
Mixed Decay Trip Points
Crossover Dead Time
Recommended Reference Input Voltage
Reference Input Current
Current Trip-Level Error
Thermal Protection
Thermal Shutdown
Thermal Shutdown Hysteresis
Diagnostics
Max V
Max V
V
Minimum Load Current
V
V
V
V
V
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary
Negative current is defi ned as coming out of (sourcing from) the specifi ed device pin.
err
DS
BB
BB
REG
DD
DD
I
= (I
Overvoltage Lockout
Overvoltage Lockout Hysteresis
Fault Measurement Delay
Enable Threshold
Enable Threshold Hysteresis
Undervoltage Lockout
DS
DS
Trip
on High-Side Bridge FETs
on Low-Side Bridge FETs
– I
Characteristics
Prog
) ⁄ I
Prog
3
, where I
2
Prog
= %I
(continued) at T
TripMAX
Symbol
t
V
V
V
PFD
V
PFD
BLANK
V
T
V
V
V
t
I
T
t
err
DSHT
I
OVBH
UVDH
OFF
t
REF
SCT
DSLT
×
SDH
OVB
UVR
UVD
REF
OC
DT
SD
I
I
H
L
TripMAX
Automotive DMOS Microstepping Driver
R
R
–
–
–
–
2 V < V
2 V < V
2 V < V
–
–
Sampled after t
Sampled after t
–
w.r.t. I
V
–
V
V
–
.
BB
REG
DD
T
T
J
= 56 K , C
= 56 K , C
= –40°C to +150ºC, V
rising
rising
falling
TRIPMAX
REF
REF
REF
Test Conditions
< 4 V, %I
< 4 V, %I
< 4 V, %I
T
T
= 680 pF
= 680 pF
BLANK
BLANK
at Home position
TripMAX
TripMAX
TripMAX
+ t
+ t
SCT
SCT
BB
= 38%
= 70%
= 100%
= 14 V, V
DD
Min.
2.45
700
100
160
0.8
5.3
30
–3
32
50
–
–
–
–
–
–
–
2
= 3.0 to 5.5 V (unless otherwise noted)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0.60 V
0.21 V
Typ.
950
475
170
700
100
1.5
5.7
2.7
1.5
38
15
35
34
with Translator
–
–
–
0
1
DD
DD
Max.
1200
2.95
800
±15
±10
180
6.0
46
±5
36
–
4
3
–
–
–
–
–
4
–
Units
mV
μA
ns
μs
ns
ºC
ºC
ns
%
%
V
V
V
V
V
V
V
V
5