A3989SEVTR-T Allegro Microsystems Inc, A3989SEVTR-T Datasheet - Page 2

• Manufacturer Part Number: A3989SEVTR-T
• Description: IC, MOTOR DRIVER, STEPPER, 1.2A, QFN-36
• Manufacturer: Allegro Microsystems Inc

Specifications of A3989SEVTR-T

• Motor Type: Stepper
• No. Of Outputs: 3
• Output Current: 1.2A
• Output Voltage: 36V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 36
• Applications: DC Motor Driver, Stepper Motor Driver
• Number Of Outputs: 2
• Voltage - Load: 8 V ~ 36 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-VFQFN Exposed Pad
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1183-2

A3989
Thermal Characteristics (may require derating at maximum conditions)
Package Thermal Resistance
Selection Guide
A3989SEVTR-T
Absolute Maximum Ratings
Load Supply Voltage
Logic Supply Voltage
Output Current
Logic Input Voltage Range
SENSEx Pin Voltage
VREFx Pin Voltage
Operating Temperature Range
Junction Temperature
Storage Temperature Range
* May be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified current rating or a
Junction Temperature of 150°C.
Part Number
Characteristic
Characteristic
*
1500 pieces per reel
V
T
Symbol
V
J
SENSEx
V
I
V
(max)
V
T
OUT
REFx
T
Bipolar Stepper and High Current DC Motor Driver
stg
DD
BB
IN
A
Packing
Symbol
Pulsed t
Stepper motor driver, continuous
Stepper motor driver, pulsed t
Dc motor driver, continuous
Dc motor driver, pulsed t
Pulsed t
Range S
R
θJA
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
25
w
w
Power Dissipation versus Ambient Temperature
< 1 μs
< 1μs
EV package, 4 layer PCB based on JEDEC standard
50
75
Temperature (°C)
w
< 1μs
100
w
< 1μs
125
Notes
Test Conditions
150
175
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–55 to 150
-0.5 to 36
–20 to 85
–0.4 to 7
–0.3 to 7
Rating
150
1.2
2.8
2.4
3.5
0.5
2.5
2.5
38
Min. Units
27
Units
ºC/W
ºC
ºC
ºC
V
V
V
A
A
A
A
V
V
V
V
2