A4982SETTR-T Allegro Microsystems Inc, A4982SETTR-T Datasheet - Page 8

• Manufacturer Part Number: A4982SETTR-T
• Description: IC STEPPER MOTOR DRIVER 32QFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A4982SETTR-T

• 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: 32-VFQFN Exposed Pad
• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 2A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 32
• Operating Temperature Range: -20°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1340-2

A4982
Figure 2. Missed steps in low-speed microstepping
Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded)
I
Step input 10 V/div.
LOAD
Voltage on ROSC terminal 2 V/div.
Step input 10 V/div.
500 mA/div.
Decay
Slow
Missed
Step
Decay
Mixed
DMOS Microstepping Driver with Translator
Decay
Slow
Decay
Mixed
t → , 1 s/div.
t → , 1 s/div.
Mixed Decay
No Missed
Steps
Decay
Slow
And Overcurrent Protection
Decay
Mixed
Decay
Slow
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Decay
Mixed
8