A4985SESTR-T Allegro Microsystems Inc, A4985SESTR-T Datasheet - Page 20

• 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
33X
0.50±0.10
0.08
D
0.25±0.10
C
ET Package, 32-Contact QFN with Exposed Thermal Pad
1
2
1
2
32
32
0.50 BSC
A
5.00 ±0.15
3.40
DMOS Microstepping Driver with Translator
B
5.00 ±0.15
3.40
0.90 ±0.10
SEATING
PLANE
C
A Terminal #1 mark area
B Exposed thermal pad (reference only, terminal #1
C Reference land pattern layout (reference
D Coplanarity includes exposed thermal pad and terminals
For Reference Only; not for tooling use
(reference JEDEC MO-220VHHD-6)
Dimensions in millimeters
Exact case and lead configuration at supplier discretion within limits shown
identifier appearance at supplier discretion)
IPC7351 QFN50P500X500X100-33V6M);
All pads a minimum of 0.20 mm from all adjacent pads; adjust as
necessary to meet application process requirements and PCB layout
tolerances; when mounting on a multilayer PCB, thermal vias at the
exposed thermal pad land can improve thermal dissipation (reference
EIA/JEDEC Standard JESD51-5)
1.00
1
2
C
32
And Overcurrent Protection
PCB Layout Reference View
1
0.30
3.40
5.00
0.50
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
3.40
5.00
20