Allegro MicroSystems38-TFSOP (0.173", 4.40mm Width)RoHS
A4989SLDTR-T
IC MTR DRV BIPOLR 3-5.5V 38TSSOP
Category
Subcategory
Pmic Motor Drivers Controllers
Package
38-TFSOP (0.173", 4.40mm Width)
Status
Active
$3.99 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Allegro MicroSystems |
| Model | A4989SLDTR-T |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Topology | Controller - Commutation, Direction Management |
| Supplier Device Package | 38-TSSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
A4989SLDTR-T by Allegro MicroSystems is a Controller - Commutation, Direction Management IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 38-TFSOP (0.173", 4.40mm Width) package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Controller - Commutation, Direction Management |
| Interface | Logic |
| Technology | Power MOSFET |
| Applications | General Purpose |
| Voltage - Load | 12V ~ 50V |
| Step Resolution | 1, 1/2, 1/4, 1/16 |
| Voltage - Supply | 3V ~ 5.5V |
| Motor Type - Stepper | Bipolar |
| Output Configuration | Pre-Driver - Half Bridge (4) |
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