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DRV8303DCAR
Texas Instruments
IC MOTOR DRIVER 6V-60V 48HTSSOP
3177 Pcs New Original In Stock
Motor Driver NMOS SPI 48-HTSSOP
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5.0 / 5.0
- (113 Ratings)
DRV8303DCAR
Product Overview
1442922
DiGi Electronics Part Number
DRV8303DCAR-DGManufacturer
Texas Instruments
DRV8303DCAR
Description
IC MOTOR DRIVER 6V-60V 48HTSSOPInventory
3177 Pcs New Original In Stock
Motor Driver NMOS SPI 48-HTSSOP
Quantity
Minimum 1
Minimum 1
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DRV8303DCAR 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
Brushless DC (BLDC)
Function
Controller - Commutation, Direction Management
Output Configuration
Pre-Driver - Half Bridge (3)
Interface
SPI
Technology
NMOS
Step Resolution
-
Applications
General Purpose
Current - Output
-
Voltage - Supply
6V ~ 60V
Voltage - Load
-
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Package / Case
48-PowerTFSOP (0.240", 6.10mm Width)
Supplier Device Package
48-HTSSOP
Base Product Number
DRV8303
Datasheet & Documents
Manufacturer Product Page
DRV8303DCAR Specifications
HTML Datasheet
DRV8303DCAR-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
296-40070-2
DRV8303DCAR-DG
296-40070-1
-296-40070-1-DG
296-40070-6
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
고객센터의 응대가 매우 빠르고 친절해서 감동받았어요. 항상 만족스럽습니다.
de desembre 02, 2025
Le délai de livraison a été respecté, et le support client m'a aidé à optimiser l'utilisation des composants.
de desembre 02, 2025
Fast shipping and great deals — what more could I ask for?
de desembre 02, 2025
The overall shopping journey was excellent, thanks to their efficient logistics and caring support.
de desembre 02, 2025
I feel valued as a customer thanks to their attentive post-sale service.
de desembre 02, 2025
DiGi Electronics makes sure their customers are supported at every stage.
de desembre 02, 2025
The consistency in quality makes me a loyal customer.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the DRV8303DCAR in a high-temperature industrial motor control application, and how can they be mitigated?
When integrating the DRV8303DCAR into high-temperature environments (up to 125°C ambient), thermal runaway in the half-bridge pre-driver stage is a primary concern. Due to its 48-HTSSOP package with exposed thermal pad, inadequate PCB thermal relief or insufficient copper pour under the device can lead to junction temperatures exceeding safe limits. To mitigate this, ensure at least 25 mm² of solid ground plane copper connected to the exposed pad, use thermal vias for heat dissipation to internal layers, and validate thermal performance under full load via IR imaging. Additionally, derate the gate drive strength at elevated temperatures to avoid shoot-through in external MOSFETs, especially when driving high-Coss BLDC motors.
How does the DRV8303DCAR compare to the DRV8323 and MIC5166 in BLDC motor pre-driver applications, and when should it be selected over them?
The DRV8303DCAR offers SPI-configurable gate drive strength and fault reporting, making it ideal for adaptive motor control systems where tuning is needed post-deployment. Compared to the pin-configurable DRV8323, the DRV8303DCAR lacks integrated current shunt amplifiers, so it’s less suitable for closed-loop torque control but provides better noise immunity in EMI-heavy environments due to SPI control. Against the MIC5166, which is a single-channel driver, the DRV8303DCAR supports three-phase BLDC commutation with integrated bootstrap management. Choose the DRV8303DCAR when you need three-phase pre-drive with programmable gate drive current and high-voltage tolerance (up to 60V), but prefer the DRV8323 if analog current sensing integration is required.
What are the common integration issues with the SPI interface of the DRV8303DCAR in noisy motor drive systems, and how can reliable communication be maintained?
In BLDC motor systems, the SPI interface of the DRV8303DCAR is susceptible to glitches caused by fast switching noise from high-dI/dt paths. Common issues include corrupted gate drive settings and false fault latching. To ensure robustness, route the SPI lines (SCLK, MOSI, CSn) away from switching nodes and high-current traces. Use series termination resistors (22–33Ω) close to the DRV8303DCAR to damp ringing, and keep SPI trace lengths under 5 cm. Additionally, implement SPI read-back validation in firmware to detect and reinitialize communication errors. Supply decoupling with a 100 nF ceramic capacitor at the DVDD pin is critical to stabilize the internal logic and prevent SPI lockup.
Can the DRV8303DCAR replace the A4919KJP-T in a 48V BLDC motor controller design, and what are the critical differences to consider?
The DRV8303DCAR can functionally replace the A4919KJP-T in a 48V three-phase BLDC application, but several trade-offs exist. While both support up to 60V supply, the A4919 includes integrated charge pump regulation with automatic transition to regenerative braking, whereas the DRV8303DCAR relies on external bootstrap diodes and capacitors. This increases BOM count and layout sensitivity. Additionally, the A4919 uses PWM direct input, while the DRV8303DCAR uses SPI control, requiring MCU firmware changes. However, the DRV8303DCAR offers better gate drive current programmability (5–350 mA) and fault diagnostics via SPI, enhancing system visibility. Only proceed with replacement if your design can accommodate SPI control and you’ve validated bootstrap capacitor recharge during 100% duty cycle scenarios.
What reliability concerns should be addressed when using the DRV8303DCAR in automotive-grade motor applications, despite its industrial temperature rating?
Although the DRV8303DCAR is rated for -40°C to 125°C and is used in harsh environments, it lacks AEC-Q100 qualification, making it unsuitable for under-hood automotive systems where long-term reliability under vibration and thermal cycling is mandated. In such cases, consider the pin-compatible but qualified DRV8303-Q1 instead. For non-automotive industrial designs mimicking automotive conditions, ensure the 48-HTSSOP package is not subjected to mechanical stress—use adhesive underfill if board flexing is possible. Also monitor the UVLO thresholds under brown-out conditions, as voltage sag during cold cranking simulations can trigger unintended reset of the pre-driver logic without proper hold-up capacitance on PVDD and DVDD rails.
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DRV8303DCAR CAD Models
Texas Instruments DRV8303DCAR PCB symbols & footprints
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