L9942XP1TR Motor Driver ICs by STMicroelectronics
Stepper Motor Driver for Bipolar Motors with microstepping & programmable current profile
| Status: | Active |
|---|---|
| Series: | L9942 |
| RoHS: | Compliant |
Features
| Two full bridges for max. 1.3 A load(RDSON= 500 mΩ) |
| Programmable current waveform with look-up table: 9 entries with 5 bit resolution |
| Current regulation by integrated PWM controller and internal current sensing |
| Programmable stepping mode: full, half, mini and microstepping |
| Programmable slew rate for EMC and power dissipation optimization |
| Programmable Fast-, Slow-, Mixed- and Auto-Decay Mode |
| Full-scale current programmable with 3 bit resolution |
| Programmable stall detection |
| Step clock input for reduced μController requirements |
| Very low current consumption in standby mode IS< 3 μA, typ. Tj≤ 85 °C |
| All outputs short circuit protected with openload, overload current, temperature warning and thermal shutdown |
| The PWM signal of the internal PWM controller is available as digital output. |
| All parameters are guaranteed for 3 V < Vcc < 5.3 V and for 7 V < Vs < 20 V |
Resources
Product Specifications |
|---|
| DS4480 Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile |
Application Notes |
|---|
| AN3327 L9942 back EMF stall detection algorithm |
| AN2650 L9942 stepper motor driver for bipolar stepper motors |
Technical Notes & Articles |
|---|
| TA0354 Thermal design calculations for integrated stepper motor driver solutions |
User Manuals |
|---|
| UM0839 ST L9942 evaluation board |
Selection Guides |
|---|
| Automotive Smart Power – Product Selector Guide 2022 |
| Automotive powertrain and safety ICs |
| Smart power solutions for car body applications |
Alternative Descriptions
| L9942 Series 5.3 V Surface Mount Integrated Stepper Motor Driver - PowerSSO24 | Future Electronics |
| Stepper Motor Controller 13.5V 24-Pin PowerSSO EP T/R | EBV Elektronik |
| Motor Driver Ics Rohs Compliant: Yes |Stmicroelectronics L9942XP1TR | Newark Electronics |
| MOTOR DRIVER, STEPPER, 1 O/P, POWERSSO | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a L9942XP1TR?
Additional datasheets, footprints and schematics for L9942XP1TR are listed on our Part Details page. You can also find images and similar parts to L9942XP1TR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L9942XP1TR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L9942XP1TR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L9942XP1TR fall under?
The L9942XP1TR is listed under Automotive Analog and Power > Motor Driver ICs.
Can I view similar or alternative parts?
You can view similar parts to L9942XP1TR when available in the Motor Driver ICs range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the L9942XP1TR you can contact the distributor directly for product support, shipping queries etc.
Is the L9942XP1TR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L9942XP1TR have stock available?
Authorised distributors including Future Electronics, EBV Elektronik, Newark Electronics, Avnet America and Farnell have stock available or on a lead time for L9942XP1TR.
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