A4985SESTR-T Allegro Microsystems Integrated Circuit (Other) In Stock
Allegro A4985SESTR-T is a single-function stepper motor controller for compact motion systems. It operates from 8 V to 35 V, supports 1 A output, and uses a 24-pin QFN package. From $2.50, in stock with worldwide shipping.
- Manufacturer
- Allegro Microsystems
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- A4985SESTR-T Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2090(MOQ 100)
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of A4985SESTR-T?
- 8 V to 35 V motor-supply operating range
- Up to 1 A output current for compact stepper stages
- Integrated single-function stepper motor control architecture
- Space-saving 24-pin QFN surface-mount package
What is A4985SESTR-T used for?
Suitable for printers, scanners, small automation axes, camera mechanisms, and other compact bipolar-stepper motion systems. The integrated controller reduces external logic in space-constrained motor-control boards.
What are the specifications of A4985SESTR-T?
| Pbfree Code | Yes |
| YTEOL | 8 |
| Additional Feature | ALSO OPERATES WITH THE RANGE OF 8V-35V SUPPLY |
| Analog IC - Other Type | STEPPER MOTOR CONTROLLER |
| JESD-30 Code | S-XQCC-N24 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC24,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 8mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | DMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the A4985SESTR-T datasheet?
A4985SESTR-T Datasheet DownloadOfficial datasheet from Allegro Microsystems
What are equivalent replacements for A4985SESTR-T?
Compatible alternatives and drop-in replacements for A4985SESTR-T:
suggested
suggested
suggested
suggested
suggested
suggested
Frequently Asked Questions
Which motor-supply voltages can A4985SESTR-T accommodate?
The controller is specified for an 8 V to 35 V supply range, giving designers flexibility across many compact stepper-motor power architectures.
How should the 1 A output rating be evaluated thermally?
The maximum output current is 1 A, but achievable continuous current depends on QFN-24 PCB copper, airflow, ambient temperature, and configured current regulation.
What must buyers compare when approving another A4985 package option?
Verify the 24 pins, 8 V to 35 V supply range, 1 A capability, QFN footprint, thermal pad, pinout, tape orientation, and temperature grade.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
Why Buy from FindMyChip
About Allegro Microsystems
Allegro Microsystems is a leading electronic component manufacturer. FindMyChip sources Allegro Microsystems ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Allegro Microsystems
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $1.9133 | $191.33 |
| 250+ | $1.8109 | $452.73 |
| 500+ | $1.4090 | $704.50 |
| 1000+ | $1.3950 | $1395.00 |
| 3000+ | $1.3810 | $4143.00 |
| 100000+ | $1.2090 | $120900.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit
EP2SGX30DF780C3N
Intel
Integrated Circuit
EP2SGX30CF780C5N
Intel
Integrated Circuit