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DRV8702QRHBRQ1
Texas Instruments
IC MOTOR DRIVER 5.5V-45V 32VQFN
16224 Pcs New Original In Stock
Motor Driver Power MOSFET PWM 32-VQFN (5x5)
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5.0 / 5.0
- (271 Ratings)
DRV8702QRHBRQ1
Product Overview
1351326
DiGi Electronics Part Number
DRV8702QRHBRQ1-DGManufacturer
Texas Instruments
DRV8702QRHBRQ1
Description
IC MOTOR DRIVER 5.5V-45V 32VQFNInventory
16224 Pcs New Original In Stock
Motor Driver Power MOSFET PWM 32-VQFN (5x5)
Quantity
Minimum 1
Minimum 1
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DRV8702QRHBRQ1 Technical Specifications
Category
Power Management (PMIC), Motor Drivers, Controllers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Motor Type - Stepper
-
Motor Type - AC, DC
Brushed DC
Function
Driver - Fully Integrated, Control and Power Stage
Output Configuration
Half Bridge (2)
Interface
PWM
Technology
Power MOSFET
Step Resolution
-
Applications
Brushed DC
Current - Output
-
Voltage - Supply
5.5V ~ 45V
Voltage - Load
-
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount, Wettable Flank
Package / Case
32-VFQFN Exposed Pad
Supplier Device Package
32-VQFN (5x5)
Base Product Number
DRV8702
Datasheet & Documents
Manufacturer Product Page
DRV8702QRHBRQ1 Specifications
HTML Datasheet
DRV8702QRHBRQ1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-45153-6
2156-DRV8702QRHBRQ1TR
DRV8702QRHBRQ1-DG
-296-45153-1-DG
296-45153-2
296-45153-1
Standard Package
3,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
我很欣賞他們的準時出貨，包裝也很堅固，值得推薦。
de desembre 02, 2025
Preis und Qualität stimmen bei DiGi Electronics. Sehr empfehlenswert.
de desembre 02, 2025
速さとサポートの良さに感動しました！これからも利用したいです。
de desembre 02, 2025
We value DiGi Electronics’ commitment to maintaining steady stock levels, ensuring smooth operations.
de desembre 02, 2025
The value I receive from DiGi Electronics' pricing is unmatched in the market.
de desembre 02, 2025
Speedy delivery and helpful support team—two thumbs up.
de desembre 02, 2025
I trust DiGi Electronics because of their reliable packaging and attentive customer service.
de desembre 02, 2025
Their customer service representatives are patient and attentive, taking time to address all my concerns thoroughly.
de desembre 02, 2025
Shopping with DiGi Electronics has been a seamless experience thanks to their excellent support teams.
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Frequently Asked Questions (FAQ)
What are the key design risks when replacing a DRV8702QRHBRQ1 with a non-automotive-grade motor driver like the DRV8701 in a 12V brushed DC motor application for an automotive subsystem?
Replacing the DRV8702QRHBRQ1 with a non-AEC-Q100 qualified part such as the DRV8701 introduces significant reliability and compliance risks in automotive environments. The DRV8702QRHBRQ1 is qualified to AEC-Q100 Grade 1 (-40°C to 150°C junction temperature), ensuring performance under extreme thermal cycling, vibration, and load dump conditions typical in vehicles. In contrast, the DRV8701 lacks automotive qualification and may exhibit parametric drift or premature failure under similar stress. Additionally, the DRV8702QRHBRQ1’s wettable flank package improves solder joint inspection and reliability in high-vibration settings—critical for under-hood or chassis-mounted applications. Using a non-automotive alternative could void system-level certifications and increase field failure rates.
How does the thermal performance of the DRV8702QRHBRQ1’s 32-VQFN exposed pad package impact PCB layout decisions in high-current brushed DC motor designs?
The DRV8702QRHBRQ1’s 32-VQFN package with an exposed thermal pad requires careful PCB layout to manage junction temperatures, especially when driving motors near the 45V supply limit or during stall conditions. A minimum of 9–16 thermal vias under the pad connected to a solid ground plane on inner and bottom layers is essential to dissipate heat effectively. Without proper thermal management, localized hot spots can trigger thermal shutdown or reduce MOSFET lifespan. Designers should also avoid routing high-current traces too close to sensitive analog grounds to prevent ground bounce. TI’s reference layout for the DRV8702QRHBRQ1 recommends a 2-layer minimum with 2 oz copper and symmetric power/ground planes to maintain thermal and electrical stability.
Can the DRV8702QRHBRQ1 safely drive a 24V brushed DC motor with inductive kickback exceeding 40V, and what protection circuitry is still needed?
While the DRV8702QRHBRQ1 supports a supply voltage up to 45V, it does not eliminate the need for external transient protection when driving inductive loads like 24V motors. During rapid PWM turn-off or motor deceleration, back-EMF can generate voltage spikes well above 45V, risking damage to the internal MOSFETs. A properly rated TVS diode (e.g., SMAJ33A) placed across the motor terminals, along with freewheeling diodes or an RC snubber, is strongly recommended. Additionally, ensure the motor’s peak inrush current stays within the driver’s SOA (Safe Operating Area), as the DRV8702QRHBRQ1 lacks integrated current sensing—external current limiting via firmware or hardware is advised for fault resilience.
What are the trade-offs when using the DRV8702QRHBRQ1 in a space-constrained design compared to integrated drivers like the DRV8876, especially regarding external component count and fault handling?
The DRV8702QRHBRQ1 offers higher voltage capability (up to 45V vs. 45V for DRV8876) and automotive qualification, but requires more external components than the DRV8876, which integrates current regulation and fault reporting. In space-constrained designs, this increases PCB real estate and BOM complexity—especially since the DRV8702QRHBRQ1 needs external sense resistors and gate drive support for optimal efficiency. However, the DRV8702QRHBRQ1 provides greater flexibility in MOSFET selection and switching performance tuning. If your application demands AEC-Q100 compliance and operates above 36V, the DRV8702QRHBRQ1 is preferable despite the added components; otherwise, the DRV8876 may offer a more compact solution with built-in protection features.
How should I handle ground return paths and EMI mitigation when designing with the DRV8702QRHBRQ1 in a noisy automotive environment with long motor cables?
In automotive applications using the DRV8702QRHBRQ1, improper grounding with long motor cables can lead to ground loops, EMI emissions, and false fault triggering. Implement a star-ground topology where the power ground (PGND) and logic ground (AGND) are connected at a single point near the driver to minimize noise coupling. Use twisted-pair or shielded cables for motor connections, grounding the shield at the driver side only to avoid ground loops. Additionally, place decoupling capacitors (100nF ceramic + 10µF tantalum) as close as possible to the VM and VCC pins of the DRV8702QRHBRQ1 to suppress high-frequency noise. Ferrite beads on the motor leads can further reduce conducted emissions, ensuring compliance with CISPR 25 Class 3/5 standards.
Quality Assurance (QC)
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.
DRV8702QRHBRQ1 CAD Models
Texas Instruments DRV8702QRHBRQ1 PCB symbols & footprints
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