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DRV8872DDAR
Texas Instruments
IC MOTOR DRVR UNIPLR 8SO PWRPAD
17175 Pcs New Original In Stock
Unipolar Motor Driver NMOS PWM 8-SO PowerPad
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5.0 / 5.0
- (349 Ratings)
DRV8872DDAR
Product Overview
1309287
DiGi Electronics Part Number
DRV8872DDAR-DGManufacturer
Texas Instruments
DRV8872DDAR
Description
IC MOTOR DRVR UNIPLR 8SO PWRPADInventory
17175 Pcs New Original In Stock
Unipolar Motor Driver NMOS PWM 8-SO PowerPad
Quantity
Minimum 1
Minimum 1
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DRV8872DDAR Technical Specifications
Category
Power Management (PMIC), Motor Drivers, Controllers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Motor Type - Stepper
Unipolar
Motor Type - AC, DC
Brushed DC
Function
Driver - Fully Integrated, Control and Power Stage
Output Configuration
Half Bridge (2)
Interface
PWM
Technology
NMOS
Step Resolution
-
Applications
DC Motors, General Purpose, Stepper Motors
Current - Output
3.6A
Voltage - Supply
0V ~ 5.5V
Voltage - Load
6.5V ~ 45V
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SO PowerPad
Base Product Number
DRV8872
Datasheet & Documents
Manufacturer Product Page
DRV8872DDA Specifications
HTML Datasheet
DRV8872DDAR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-42661-1-DG
296-42661-1
296-42661-2
DRV8872DDAR-DG
296-42661-6
Standard Package
2,500
Alternative Parts
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
購買後遇到問題，DiGi的售後人員都能及時提供協助。
de desembre 02, 2025
Découvrir DiGi Electronics a été une excellente décision : produits fiables et prix abordables.
de desembre 02, 2025
I'm grateful for their attentive after-sales service that feels personalized.
de desembre 02, 2025
Always impressed by the secure packaging that protects delicate components.
de desembre 02, 2025
Their inventory readiness alleviates the stress of last-minute needs.
de desembre 02, 2025
I highly appreciate their fast response times after purchase, making issue resolution seamless.
de desembre 02, 2025
My orders from DiGi Electronics have consistently arrived ahead of schedule, with no damage or issues, which speaks volumes about their logistics.
de desembre 02, 2025
Fast and efficient shipping adds great value to their service.
de desembre 02, 2025
The fast delivery and prompt after-sales communication truly enhanced my overall experience.
de desembre 02, 2025
Recyclable materials used in the packaging reflect their dedication to environmental responsibility.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the DRV8872DDAR in a high-temperature industrial environment near its 150°C junction limit?
When integrating the DRV8872DDAR in high-temperature environments, the primary risk is exceeding the 150°C junction temperature under sustained high-current loads. Even with a robust PCB thermal design (e.g., multiple thermal vias and copper pour), self-heating from I²R losses at 3.6A can rapidly increase TJ. To mitigate, validate thermal performance under worst-case load and ambient conditions, derate maximum current above 125°C ambient, and ensure the PCB layout includes sufficient thermal relief on the PowerPad. Use TI's thermal simulation models (if available) or actual board testing under pulse-width modulation (PWM) stress conditions to avoid unexpected thermal shutdown or long-term reliability degradation.
How does the DRV8872DDAR compare to the A4954KJPTR-T in brushed DC motor control applications requiring current regulation?
The DRV8872DDAR and Allegro's A4954KJPTR-T both support PWM-controlled brushed DC motor drive, but differ critically in current sensing and thermal performance. The DRV8872DDAR uses integrated NMOS FETs with a 3.6A peak output but lacks on-chip current sensing, requiring external shunt resistors and amplifiers for accurate current regulation—adding design complexity. In contrast, the A4954KJPTR-T includes factory-calibrated current sensing and tighter control loop stability, making it preferable for torque-controlled systems. Choose the DRV8872DDAR for cost-sensitive applications with simpler speed control, but opt for the A4954KJPTR-T when precise current feedback and overload protection are critical.
Can the DRV8872DDAR safely replace the L298N in a legacy 24V brushed DC motor driver design, and what integration challenges should I expect?
Yes, the DRV8872DDAR can replace the L298N in a 24V brushed DC motor system, offering higher efficiency due to lower RDS(on) and improved thermal performance with its PowerPad package. However, key integration challenges include: (1) The DRV8872DDAR requires external PWM generation, whereas the L298N accepts direct logic-level control—ensure your MCU can generate sufficient PWM frequency (ideally <50kHz to limit switching losses); (2) The DRV8872DDAR operates on a 0V–5.5V logic supply, so level-shifting may be needed if replacing a 5V-only L298N circuit in a mixed-voltage system; (3) Unlike the L298N, the DRV8872DDAR lacks built-in flyback diodes—ensure external freewheeling paths are provided to protect against inductive kickback.
What practical steps should I take to avoid shoot-through and voltage spikes when driving inductive loads with the DRV8872DDAR?
To prevent shoot-through and voltage transients with the DRV8872DDAR, implement both layout and control-level precautions. Use non-overlapping PWM signals with dead-time insertion (≥500ns) if controlling both half-bridges alternately—though the internal logic helps prevent simultaneous conduction, external MCU timing errors can still cause shoot-through under fault conditions. Place low-ESR ceramic decoupling capacitors (<10mm trace length) between VM and GND to mitigate supply spikes. Additionally, add external Schottky flyback diodes (e.g., 1N5819) across the motor terminals to clamp inductive kickback, especially when operating near the 45V load limit. Avoid daisy-chaining multiple DRV8872DDAR devices without individual gate control, as timing skew increases transient risk.
Is the DRV8872DDAR suitable for continuous 3.6A operation in battery-powered applications, and what are the efficiency and reliability trade-offs?
The DRV8872DDAR is rated for 3.6A peak current, but continuous operation at this level in battery-powered systems risks overheating and reduced reliability unless thermal management is optimized. At 3.6A, conduction losses (I² × RDS(on)) can exceed 2W, drastically reducing system efficiency and draining batteries quickly. For battery longevity, operate below 2.5A continuous and use PWM duty cycling to limit average current. Ensure the PCB includes a solid thermal path via the exposed PowerPad to an internal ground plane. Also, monitor junction temperature during duty cycling—repeated thermal cycling near limits can accelerate electromigration and solder fatigue. Consider pairing with current-limiting firmware for overload protection and long-term field reliability.
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DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
DRV8872DDAR CAD Models
Texas Instruments DRV8872DDAR PCB symbols & footprints
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