L99SM81VQ6TR Motor Driver ICs by STMicroelectronics
Programmable Stepper Motor Driver for Automotive Applications with Micro-Stepping and Stall Detection
| Status: | Active |
|---|---|
| Series: | L99SM81V |
| RoHS: | Compliant |
Features
| AEC-Q100 qualified |
| Stepper motor driver with up to 1.35 A current capability |
| Programmable stepping mode: Full step, Half step, Mini step, 1/8 Micro step, 1/16 Micro step |
| Full step, Half step, Mini step, 1/8 Micro step, 1/16 Micro step |
| Current regulation by integrated PWM control with fully integrated current sensing |
| Equivalent 10 bit resolution on current regulation loop: Two 4-bit programmable full scale current amplitudes: one for RUN and one for HOLD mode 6-bit DAC for reference current generation (whatever programmed full scale amplitude) |
| Two 4-bit programmable full scale current amplitudes: one for RUN and one for HOLD mode |
| 6-bit DAC for reference current generation (whatever programmed full scale amplitude) |
| 4 programmable decay modes: Slow-mode, mixed-mode and 2x automatically selected decay-modes |
| Slow-mode, mixed-mode and 2x automatically selected decay-modes |
| 3x programmable inputs for direct control of step clock, direction, hold and step modes |
| 1x programmable analog output for Tj measurement or band-gap reference |
| 2x programmable digital outputs for internally generated PWM ON duty cycles, error signals, coils voltage measurement synchronization signals |
| Programmable MOSFETs switching speed: four options for EMC and power dissipation trade-off optimization |
| PWM frequency wobbling for reduction of conducted EM energy |
| Outputs protection and diagnosis (open load, short to battery, short to GND) |
| Integrated ADC for coil voltage measurement and stall detection |
| 5 V low drop voltage regulator short-circuit protected |
| Very low current consumption in standby mode (typ. 10 µA) |
| Thermal warning and shutdown |
| ST SPI 4.0 interface for control and diagnostics |
Resources
Product Specifications |
|---|
| DS10922 Programmable stepper motor driver for automotive applications with micro-stepping and stall detection |
Application Notes |
|---|
| AN5083 L99SM81V Stepper Motor Driver |
Selection Guides |
|---|
| Automotive Smart Power – Product Selector Guide 2022 |
| Smart power solutions for car body applications |
Alternative Descriptions
| Motor Driver, -40 To 150Deg C | Newark Electronics |
| MOTOR DRIVER, -40 TO 150DEG C | element14 |
| Stepper Motor Driver 6V to 28V 40-Pin QFN T/R | Avnet America |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a L99SM81VQ6TR?
Additional datasheets, footprints and schematics for L99SM81VQ6TR are listed on our Part Details page. You can also find images and similar parts to L99SM81VQ6TR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L99SM81VQ6TR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L99SM81VQ6TR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L99SM81VQ6TR fall under?
The L99SM81VQ6TR is listed under Automotive Analog and Power > Motor Driver ICs.
Can I view similar or alternative parts?
You can view similar parts to L99SM81VQ6TR 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 L99SM81VQ6TR you can contact the distributor directly for product support, shipping queries etc.
Is the L99SM81VQ6TR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L99SM81VQ6TR have stock available?
Authorised distributors including Newark Electronics, element14, Farnell, Avnet America and EBV Elektronik have stock available or on a lead time for L99SM81VQ6TR.
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