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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) - Motor Drivers, Controllers > L6225D
STMicroelectronics
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L6225D

In Stock 6403 pcs Reference Price(In US Dollars)
1+
$3.278
Manufacturer Part Number:
L6225D
Manufacturer / Brand
STMicroelectronics
Part of Description:
IC MTR DRVR BIPOLAR 8-52V 20SOIC
Datasheets:
L6225D(1).pdfL6225D(2).pdfL6225D(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 6403 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number L6225D
Manufacturer / Brand STMicroelectronics
Stock Quantity 6403 pcs Stock
Category Integrated Circuits (ICs) > Power Management (PMIC) - Motor Drivers, Controllers
Description IC MTR DRVR BIPOLAR 8-52V 20SOIC
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ L6225D Datasheets L6225D Details PDF
L6225D Details PDF for FR.pdf
L6225D Details PDF for KR.pdf
L6225D Details PDF for IT.pdf
L6225D Details PDF for ES.pdf
L6225D Details PDF for DE.pdf
Voltage - Supply 8V ~ 52V
Voltage - Load 8V ~ 52V
Technology BiCDMOS
Supplier Device Package 20-SO
Step Resolution -
Series STSPIN L62
Package / Case 20-SOIC (0.295", 7.50mm Width)
Package Tube
Output Configuration Half Bridge (4)
Operating Temperature -25°C ~ 125°C (TJ)
Mounting Type Surface Mount
Motor Type - Stepper Bipolar
Motor Type - AC, DC Brushed DC
Interface Parallel
Function Driver - Fully Integrated, Control and Power Stage
Current - Output 4A
Base Product Number L6225
Applications General Purpose

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
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L6225D Product Details:

The L6225D is a high-performance bipolar motor driver from STMicroelectronics, designed for a wide range of general-purpose applications. As an integrated circuit (IC), it combines the control and power stage functions in a single package, making it a versatile and efficient solution for driving brushed DC and bipolar stepper motors.

The L6225D features a half-bridge output configuration with a maximum output current of 4A, capable of operating within a wide voltage range of 8V to 52V. This broad input voltage compatibility ensures its suitability for a variety of applications, from low-power devices to more demanding systems. The BiCDMOS technology utilized in the L6225D provides a robust and reliable performance, making it a reliable choice for motor control applications.

One of the key design challenges addressed by the L6225D is the integration of both the control and power stage within a single package. This integration simplifies the overall system design, reduces component count, and improves efficiency, making it an attractive option for space-constrained or cost-sensitive applications.

The L6225D is RoHS-compliant, ensuring its environmental compatibility, and is available in a 20-SOIC (Small Outline Integrated Circuit) package, which is a commonly used surface-mount technology (SMT) that facilitates efficient board-level integration.

The primary advantages of the L6225D include its comprehensive functionality, wide operating voltage range, high output current capability, and the integration of control and power stages. These features make the L6225D suitable for a variety of applications, such as industrial automation, robotics, home appliances, and various motor control systems.

Regarding compatibility, the L6225D can be considered equivalent or an alternative to other motor driver ICs in the market, such as the L6206 and L6208 from STMicroelectronics, which share similar specifications and functionalities. However, it's essential to carefully review the specific requirements of the application and ensure that the L6225D or any alternative model meets the necessary criteria.

L6225D Image
L6225D (1)

L6225D Key Technical Attributes

Manufacturer Part Number - L6225D

Manufacturer - STMicroelectronics

Main Category - Integrated Circuits (ICs)

Small Classification - PMIC - Motor Drivers, Controllers

L6225D Packing Size

Packaging Type - Tube

Package Material - Plastic

Package Size - 20-SOIC (0.295", 7.50mm Width)

Pin Configuration - Parallel

Thermal Characteristics - Operating Temperature from -25°C to 125°C

Electrical Properties - Voltage - Supply from 8 V to 52 V

L6225D Application

General Purpose Motor Driver for applications like robotics, automated machinery, printers, and other industrial equipment.

L6225D Features

L6225D is an integrated dual full-bridge driver designed with BiCDMOS technology optimized for driving bipolar stepper and brushed DC motors. Each bridge of the IC is capable of sustaining up to 52 V with an output current of 4A. It incorporates internal control logic, charge pump, current control circuitry, and MOSFET drivers in a compact 20-SOIC package. Offers significant enhancements to ensure smooth and efficient drive with minimal heat generation.

L6225D Quality and Safety Features

Moisture Sensitivity Level (MSL) 1 (Unlimited) which indicates high reliability and longevity.

Lead-free and RoHS compliant promoting environmentally safe usage.

Incorporates thermal shutdown and overcurrent protection which enhances the safety features of the device contributing to prolonged lifespan and durability.

L6225D Compatibility

Designed for compatibility with a wide operating voltage range of 8 V to 52 V and can efficiently drive loads in a variety of applications such as robotics and automotive systems.

L6225D Datasheet PDF

For in-depth specifications and operational guidelines, access the most authoritative datasheet for the L6225D available on our website. Customers are recommended to download the datasheet directly from the current page for precise information.

Quality Distributor

IC-Components is a premium distributor of STMicroelectronics, ensuring the highest quality and availability of components like the L6225D. We encourage our customers to receive a quote directly on our website where we promise competitive pricing and optimal service. Trust IC-Components as your expert source for integrated circuit needs.

Frequently Asked Questions

What are the key design constraints when integrating the L6225D into a high-current bipolar stepper motor application, particularly regarding thermal management and PCB layout?
The L6225D, with its 4A output current capability and BiCDMOS technology, requires careful thermal design due to power dissipation in the 20-SOIC package. Engineers must ensure adequate copper pour under the exposed pad (if used) and consider forced airflow or heatsinking in enclosed environments. The package lacks an exposed thermal pad, so thermal vias beneath the IC and wide power traces are critical to prevent junction temperatures from exceeding 125°C. Additionally, high di/dt switching edges demand tight loop areas between the motor, decoupling capacitors, and the IC to minimize EMI and voltage spikes. Place 100nF ceramic capacitors as close as possible to each VCC pin (pins 5 and 15) and use a bulk capacitor (≥10µF) near the power input.
Can the L6225D be used to drive brushed DC motors, and what configuration or control considerations apply compared to stepper motor use?
Yes, the L6225D can drive brushed DC motors using two of its four half-bridge outputs in an H-bridge configuration. However, unlike dedicated brushed DC drivers, it lacks built-in current regulation or PWM current limiting, so external current sensing and closed-loop control via the microcontroller are required for torque control. The parallel interface allows direct control of direction and enable signals, but designers must ensure dead-time insertion in software to prevent shoot-through during direction changes. The L6225D is suitable for bidirectional brushed DC motor control up to 4A and 52V, but applications requiring dynamic braking or regenerative capabilities may need additional external circuitry.
What are the risks of replacing the L6225D with a pin-compatible alternative like the DRV8811 or A4988 in an existing design, and what modifications might be necessary?
Direct replacement of the L6225D with the DRV8811 or A4988 is not recommended due to significant architectural differences. The DRV8811 uses a serial SPI interface and integrated current regulation, while the L6225D uses a parallel interface with external control. The A4988 is a stepper-specific driver with built-in translator logic, which the L6225D lacks. Migrating to either would require firmware changes, possible microcontroller I/O reconfiguration, and PCB layout adjustments. Additionally, the DRV8811 operates at lower voltages (up to 11V), making it incompatible with the L6225D’s 52V capability. Any replacement must be evaluated for voltage, current, interface, and thermal performance to avoid system failure.
How should the L6225D be configured for microstepping in a bipolar stepper motor application, given that it lacks an integrated stepper translator?
The L6225D does not include a step translator, so microstepping must be implemented externally via a microcontroller or dedicated motion controller. Engineers generate phase currents using PWM on the IN1/IN2 and IN3/IN4 inputs to approximate sinusoidal waveforms across the two motor windings. Accurate microstepping requires precise current control, typically achieved by measuring shunt resistor voltages and adjusting PWM duty cycles in real time. Without internal current regulation, linearity and torque consistency at low speeds may degrade compared to integrated solutions like the DRV8825. The L6225D is best suited for full- or half-step operation unless paired with a capable MCU and feedback mechanism.
What are the implications of operating the L6225D near its maximum voltage (52V) and current (4A) limits in industrial environments with extended temperature ranges?
Operating the L6225D at or near 52V and 4A in industrial settings demands derating and robust protection. At high ambient temperatures (approaching 85°C), the junction temperature can exceed safe limits without sufficient cooling, risking thermal shutdown or long-term degradation. STMicroelectronics specifies a maximum junction temperature of 125°C, but reliability drops significantly near this threshold. Use conservative current derating (e.g., 3A continuous at 52V and 70°C ambient) and implement overtemperature monitoring. Additionally, ensure input voltage transients (e.g., from motor back-EMF or supply switching) are clamped with TVS diodes, as the L6225D’s absolute maximum ratings are not designed for sustained overvoltage conditions.
Is the L6225D suitable for battery-powered applications requiring low standby current, and what quiescent current behavior should designers expect?
The L6225D is not optimized for low-power battery applications due to its relatively high quiescent current (typically 5–10mA with VCC = 24V and no load). When the enable pins are inactive, the outputs are disabled, but internal circuitry remains powered. For battery-operated systems requiring microamp-level sleep currents, consider alternatives like the DRV8833 or DRV8876, which offer enable-controlled shutdown modes. If the L6225D must be used, isolate its power supply via a load switch controlled by the MCU to cut off VCC during idle periods, though this adds complexity and component count.
How does the absence of built-in overcurrent and short-circuit protection in the L6225D affect system reliability, and what external protections are recommended?
The L6225D lacks integrated overcurrent or short-circuit protection, making external safeguards essential for reliable operation. Without current limiting, a motor stall or output short can cause rapid thermal buildup and device failure. Designers should implement external current sensing (e.g., shunt resistors with comparators or dedicated ICs like the INA240) to detect overcurrent conditions and disable the driver via the enable pins. Additionally, include reverse polarity protection on the power input and clamp inductive kickback with flyback diodes or RC snubbers across motor terminals. These measures are critical in industrial or automotive environments where fault conditions are more likely.
Can the L6225D be paralleled to increase output current beyond 4A, and what are the challenges in doing so?
Paralleling multiple L6225D devices to exceed 4A is theoretically possible but not recommended due to mismatched output characteristics and lack of current-sharing mechanisms. Variations in propagation delay, RDS(on), and threshold voltages between devices can lead to uneven current distribution, causing one IC to carry disproportionate load and overheat. Synchronization of input signals is also critical to prevent shoot-through or timing skew. For higher current applications, STMicroelectronics offers alternatives like the L6228 or L6235 with higher current ratings and better integration. If paralleling is unavoidable, use individual current sensing and active balancing, but this significantly increases design complexity and cost.
What are the key differences between the L6225D and its predecessor, the L6225, and how does this impact migration in legacy designs?
The L6225D is the RoHS-compliant, lead-free version of the original L6225, with identical electrical and functional characteristics. Migration from the L6225 to the L6225D requires no circuit or firmware changes, as pinout, package (20-SOIC), and performance are fully compatible. However, the L6225D is manufactured under updated environmental compliance standards, making it suitable for new designs requiring RoHS adherence. Ensure procurement sources specify the "D" suffix to avoid receiving non-compliant stock. No redesign is needed, but verify solder profile compatibility during reflow due to potential differences in lead-free package materials.
What interface considerations apply when connecting the L6225D to a 3.3V microcontroller, given its 5V-tolerant inputs?
The L6225D’s logic inputs (IN1, IN2, IN3, IN4, EN1, EN2) are 5V-tolerant and can be directly driven by 3.3V logic levels from modern microcontrollers. STMicroelectronics confirms that a 3.3V high-level input (typically ≥2.0V) meets the VIH specification, ensuring reliable switching. No level-shifting circuitry is required, simplifying integration. However, ensure the microcontroller can source sufficient current for fast switching and that signal rise/fall times are adequate to prevent shoot-through in the half-bridges. For noisy environments, consider adding series resistors (100–470Ω) near the L6225D inputs to dampen ringing and improve signal integrity.

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