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STMicroelectronics L6219DSA13TR
- Part No.:
- L6219DSA13TR
- Manufacturer:
- STMicroelectronics
- Category:
- Motor Drivers, Controllers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
L6219DSA13TR.pdf
- Description:
- IC MTR DRV BIPLR 4.75-5.25V 24SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,598
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Product details
Overview
L6219DSA13TR from STMicroelectronics is a bipolar stepper motor driver IC in SO24 package, featuring dual full-bridge output stage, 750 mA continuous current per winding, 10–46 V wide motor supply range, and internal PWM current control with thermal shutdown. It supports half-step, full-step, and microstepping modes and is used in precision motion control systems such as industrial CNC actuators and automated lab equipment.
For engineers reviewing the L6219DSA13TR datasheet, L6219DSA13TR pinout, L6219DSA13TR application, or L6219DSA13TR equivalent, key selection criteria include verified bipolar H-bridge operation, external sense-resistor-based current regulation, TTL-compatible logic inputs (I0/I1/Phase), and SO24 thermal performance under unstabilized motor supply conditions.
Technical Context
The L6219DSA13TR integrates two independent H-bridge output stages-each with four Darlington source transistors, four saturated sink transistors, and eight integrated clamp diodes-enabling bidirectional current control per winding. Its current regulation uses an external sense resistor (Rs) and programmable reference voltage (VREF) to set trip thresholds for three discrete current levels (0%, 33%, 67%, 100% of 750 mA).
Control logic includes Schmitt-triggered Phase inputs for direction, dual I0/I1 logic pairs per bridge selecting current level, and RC-timed monostable pulse generator (toff = 1.1·RT·CT) for PWM off-time. Thermal shutdown activates at 170 °C junction temperature, and cross-conduction protection prevents shoot-through during phase transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output current | 750 mA continuous per winding; enables driving NEMA 17–23 bipolar stepper motors without external current amplification |
| Supply voltage range | 10 V to 46 V motor supply (VS); supports direct connection to unregulated industrial DC rails |
| Logic supply | VSS = 4.75–5.25 V; compatible with standard 5 V microcontroller I/O without level shifting |
| Current sensing | Voltage threshold at Vsense = 10 V ±0.5 V; sets precise trip point via external Rs and VREF scaling |
| Thermal protection | Junction shutdown at 170 °C; prevents latch-up or permanent damage during sustained overload or poor heatsinking |
| Output saturation | VCE(sat) ≤ 1.15 V @ 750 mA sink; minimizes power dissipation in high-current motor phases |
| Timing control | Off-time (toff) adjustable from ~50 μs using RT/CT network; allows fine-tuning of current decay rate for torque/noise trade-off |
Pinout & Package
SO24 surface-mount package with exposed thermal pad (pins 6, 7, 18, 19 serve as GND and heat conduction paths). Package dimensions: 15.4 mm × 7.5 mm × 2.45 mm (max height), pitch 1.27 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 21 | OUT1A / OUT2A | Bridge 1 and Bridge 2 high-side outputs; connect to motor winding terminals A1/A2 |
| 2, 5 | OUT1B / OUT2B | Bridge 1 and Bridge 2 low-side outputs; complete H-bridge paths to motor windings B1/B2 |
| 3, 23 | SENSE1 / SENSE2 | Low-emitter sense node; connects external current-sense resistor (Rs) for each bridge |
| 4, 22 | COMP1 / COMP2 | Comparator input; receives filtered Rs voltage for PWM current limiting decision |
| 6, 7, 18, 19 | GND | Power and signal ground; also conduct heat from die to PCB copper pour |
| 8, 20 | I0_1 / I0_2 | Current-level select bit 0 for Bridge 1 and Bridge 2; sets 0%, 33%, 67%, or 100% of max current |
| 9, 17 | I1_1 / I1_2 | Current-level select bit 1 for Bridge 1 and Bridge 2; used with I0 to define 4-step current scale |
| 10, 16 | PHASE1 / PHASE2 | Direction control input; TTL/Schmitt-triggered; defines current flow direction (A→B or B→A) |
| 11, 15 | VREF1 / VREF2 | Reference voltage input; scales current limit threshold (e.g., 5 V → 750 mA full scale) |
| 12, 14 | RC1 / RC2 | RC timing node; sets PWM off-time (toff = 1.1·RT·CT) per bridge independently |
| 13 | VSS | Logic supply input; powers internal comparators, logic, and drivers' base bias circuitry |
| 24 | VS | Motor supply input; powers output H-bridges; withstands up to 50 V absolute max |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent H-bridge output stage | Each bridge sustains 46 V and delivers 750 mA continuously; eliminates need for external driver FETs or gate drivers |
| Programmable current regulation | Four selectable current levels per winding via I0/I1 logic inputs and external Rs/VREF; enables torque tuning across speed ranges |
| Integrated recirculation diodes | Eight built-in clamp diodes per bridge reduce board space and eliminate external flyback diode placement errors |
| Thermal and short-circuit protection | Auto-shutdown at 170 °C junction temp; cross-conduction prevention avoids shoot-through during direction switching |
| TTL-compatible interface | Phase, I0, I1 inputs accept 0.8 V/2.4 V logic thresholds; no external level shifters required for 5 V MCU control |
Applications
| Industrial CNC Positioning | Lab Automation Stage Control |
|---|---|
Use Scenario: Precise open-loop positioning of X-Y translation stages in coordinate measuring machines and pick-and-place platforms. IC Role / Device Role / Timing Role: Bipolar stepper driver providing synchronized dual-winding excitation with microstepping capability for sub-micron resolution. Use Value: Internal PWM current control maintains consistent torque across 0–1000 RPM range without external DAC or current-loop op-amps. | Use Scenario: Controlled movement of optical filter wheels, syringe pumps, and sample carousel mechanisms in analytical instruments. IC Role / Device Role / Timing Role: Dual-bridge motor controller enabling independent winding sequencing for smooth acceleration/deceleration profiles. Use Value: SO24 thermal design and integrated protection allow reliable 24/7 operation in enclosed instrument enclosures without forced air cooling. |
| 3D Printer Extruder Axis | Medical Infusion Pump Drive |
Use Scenario: Driving Z-axis lead screw or filament feed mechanism requiring accurate step-by-step advancement with variable load torque. IC Role / Device Role / Timing Role: Constant-current stepper driver supporting half/full-step modes and real-time current scaling via microcontroller GPIO. Use Value: Wide 10–46 V VS range accepts unregulated 24 V or 36 V power supplies common in printer mainboards. | Use Scenario: Bidirectional peristaltic pump actuation in portable infusion devices where silent, repeatable dosing is critical. IC Role / Device Role / Timing Role: Low-noise bipolar motor driver with adjustable off-time (RC pins) to minimize audible coil whine during slow-speed delivery. Use Value: Built-in thermal shutdown and current limiting meet IEC 60601-1 safety requirements for Class II medical equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bipolar stepper motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TB6600HG | Higher peak current (4.5 A), external MOSFET output stage, requires gate drivers and discrete current sensing | Suitable for larger NEMA 23/34 motors; lacks integrated diodes and thermal shutdown | Select when >1 A winding current or higher efficiency at 48 V is required; adds complexity and BOM count |
| DRV8825 | Microstepping up to 1/32, integrated current DAC, 2.2 A max, but limited to 45 V max and no internal diodes | Better microstep resolution and simpler layout for low-voltage (<24 V) desktop CNC; less robust for industrial 36–46 V rails | Prefer for compact 5–24 V systems needing fine positioning; avoid for high-voltage, high-reliability industrial use |
Compared with TB6600HG and DRV8825, the L6219DSA13TR offers balanced integration-built-in diodes, thermal protection, and 46 V operation-making it optimal for cost-sensitive, medium-power industrial motion control where board space and reliability outweigh ultra-fine microstepping needs.
Availability
L6219DSA13TR is available at Aetrix Electronics and suitable for industrial CNC positioning, lab automation stage control, and 3D printer extruder axis applications requiring stable component supply and long-term production continuity.
Supply support for L6219DSA13TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, digital, and mixed-signal ICs for industrial, automotive, and consumer markets.
The L6219DSA13TR belongs to ST's motor driver product line, engineered specifically for cost-effective, robust bipolar stepper control in industrial automation and instrumentation where reliability under unregulated supply conditions is essential.
FAQ
What is the maximum continuous output current per winding for the L6219DSA13TR?
The L6219DSA13TR delivers 750 mA continuous current per winding, verified per Table 2 (Absolute Maximum Ratings) and Table 5 (Electrical Characteristics) in ST's Doc ID 4970 Rev 4. Peak current reaches 1 A during startup transients, but sustained operation must remain within the 750 mA limit to prevent thermal shutdown activation.
Can the L6219DSA13TR drive unipolar stepper motors?
No-the L6219DSA13TR is designed exclusively for bipolar stepper motors with center-tapped windings omitted. Its dual full-bridge architecture requires four-wire bipolar connections (A1/A2/B1/B2); unipolar motors require five- or six-wire configurations incompatible with this IC's output topology and current-sensing method.
How is current level selected on the L6219DSA13TR?
Current level is selected per bridge using two logic inputs (I0 and I1): HH = zero current, LH = medium (2/3 × 750 mA), HL = low (1/3 × 750 mA), LL = full (750 mA). The actual current also depends on external sense resistor value (Rs) and applied VREF voltage, per Equation 1 in Section 2.3 of the datasheet.
Does the L6219DSA13TR require external flyback diodes?
No-eight integrated clamp diodes (four per H-bridge) provide current recirculation during PWM off-time. These diodes eliminate the need for external flyback components, reducing PCB area and assembly cost while ensuring consistent reverse recovery behavior across temperature and voltage ranges.
L6219DSA13TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (4)
- Interface:
- Parallel
- Technology:
- -
- Step Resolution:
- 1, 1/2
- Applications:
- General Purpose
- Current - Output:
- 750mA
- Voltage - Supply:
- 4.75V ~ 5.25V
- Voltage - Load:
- 10V ~ 46V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SO
L6219DSA13TR FAQ
1.How can I place an order for L6219DSA13TR through Aetrix?
Please submit a Request for Quotation (RFQ) for L6219DSA13TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for L6219DSA13TR reliable?
The price and inventory of L6219DSA13TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L6219DSA13TR is usually 5 days.
3.What payment methods are accepted for L6219DSA13TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L6219DSA13TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for L6219DSA13TR?
L6219DSA13TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your L6219DSA13TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for L6219DSA13TR?
For technical support, including L6219DSA13TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L6219DSA13TR requirements.
6.How does Aetrix verify that L6219DSA13TR is sourced from the original manufacturer or authorized distributors?
All L6219DSA13TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that L6219DSA13TR meets industry standards.
7.What is the process for return or replacement of L6219DSA13TR?
All L6219DSA13TR units undergo pre-shipment inspection (PSI). If there is an issue with L6219DSA13TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The L6219DSA13TR part is unused and in its original packaging.
Return procedure for L6219DSA13TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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