A4985SESTR-T Allegro Microsystems Inc, A4985SESTR-T Datasheet - Page 11

• Manufacturer Part Number: A4985SESTR-T
• Description: IC STEPPER MOTOR DRIVER 24QFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A4985SESTR-T

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: *
• 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: 20-WFQFN Exposed Pad
• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 1A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 24
• Operating Temperature Range: -20°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 620-1374 - Board Eval Motor Control A4985
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

A4985
I
OUT
V
STEP
–100.00
100.00
–70.71
70.71
0
I
OUT
Figure 7. Current Decay Modes Timing Chart
Symbol
I
I
PEAK
t
t
OUT
t
SD
FD
off
See Enlargement A
DMOS Microstepping Driver with Translator
Device fixed off-time
Maximum output current
Slow decay interval
Fast decay interval
Device output current
I
PEAK
t
FD
Enlargement A
Characteristic
t
off
And Overcurrent Protection
t
SD
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
t
11