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DRV8873SPWPR
Texas Instruments
IC MOTOR DRIVER DC 5.5V 24HTSSOP
407264 Pcs New Original In Stock
Unipolar Motor Driver NMOS SPI 24-HTSSOP
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5.0 / 5.0
- (316 Ratings)
DRV8873SPWPR
Product Overview
1344524
DiGi Electronics Part Number
DRV8873SPWPR-DGManufacturer
Texas Instruments
DRV8873SPWPR
Description
IC MOTOR DRIVER DC 5.5V 24HTSSOPInventory
407264 Pcs New Original In Stock
Unipolar Motor Driver NMOS SPI 24-HTSSOP
Quantity
Minimum 1
Minimum 1
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DRV8873SPWPR 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
SPI
Technology
NMOS
Step Resolution
-
Applications
Industrial
Current - Output
10A
Voltage - Supply
0V ~ 5.5V
Voltage - Load
4.5V ~ 38V
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Package / Case
24-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package
24-HTSSOP
Base Product Number
DRV8873
Datasheet & Documents
Manufacturer Product Page
DRV8873SPWPR Specifications
HTML Datasheet
DRV8873SPWPR-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
296-53141-2
296-53141-1
296-53141-6
Standard Package
2,000
Alternative Parts
View DetailsPART 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
가격이 경쟁력 있고 친절한 서비스 덕분에 계속 찾게 돼요.
de desembre 02, 2025
お手頃な価格で、高品質な商品を提供している点が素晴らしいです。おすすめです。
de desembre 02, 2025
The quality of their products reflects careful attention to detail and rigorous standards.
de desembre 02, 2025
Quick dispatch, friendly support, and seamless communication—excellent service.
de desembre 02, 2025
Delivery was incredibly quick, and the support team was extremely knowledgeable.
de desembre 02, 2025
DiGi Electronics' logistics tracking website is intuitive and easy to navigate.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the DRV8873SPWPR in a high-temperature industrial environment, and how can thermal shutdown be avoided?
When integrating the DRV8873SPWPR into high-temperature industrial applications, thermal shutdown can occur if PCB layout and current loading are not optimized. This device has a junction-to-ambient thermal resistance of ~50°C/W (depending on layout), and with load currents near 10A, internal power dissipation can exceed 3W. To mitigate risk, ensure a low-thermal-resistance layout with ample copper pour and thermal vias under the exposed pad. Derate maximum current based on ambient temperature and local airflow. Monitor TJ via external sensing if operating near 125°C ambient (TA), and consider adding hysteresis in thermal protection logic to prevent cycling during transient overloads.
How does the DRV8873SPWPR compare to the DRV8873SPWPT in terms of board assembly reliability and moisture sensitivity for humid environments?
The DRV8873SPWPR and DRV8873SPWPT are functionally identical, but differ in packaging: the P suffix indicates standard tape-and-reel, while the T may indicate factory-specific handling. Both carry MSL3 (168 hours floor life), so once exposed to humidity, they must be soldered within one week or baked before reflow. For humid manufacturing environments, use sealed dry packaging with desiccant and a moisture indicator card. If PCB assembly is delayed beyond 168 hours post-bake, consider opting for MSL2 alternatives or use conformal coating post-assembly to protect the DRV8873SPWPR after soldering.
Can the DRV8873SPWPR safely replace the DRV8833PW in a 24V brushed DC motor application with peak currents over 8A, and what trade-offs should be evaluated?
Yes, the DRV8873SPWPR can replace the DRV8833PW in 24V, 8A+ brushed DC applications where the DRV8833PW (rated 2.75A per channel) is insufficient. Key trade-offs: the DRV8873SPWPR supports higher current (10A) and voltage (up to 38V), but requires SPI control instead of simple PWM inputs. This increases firmware complexity and microcontroller pin usage. Also, the DRV8873SPWPR lacks built-in current sensing resistors—external sense resistors and ADC monitoring are needed for closed-loop current control. Validate SPI timing margins under noise to avoid unintended shutdowns.
What are the critical PCB layout practices when designing with the DRV8873SPWPR to minimize ground bounce and SPI communication errors?
To prevent ground bounce and SPI errors in DRV8873SPWPR designs, use a solid ground plane with minimal splits, and connect the device’s PGND pins directly to a low-inductance ground via array under the package. Route SPI lines (SCLK, MOSI, CS) away from switching nodes (OUTx) and keep them short and direct. Use 3.3V SPI signaling with series damping resistors (22–47Ω) if traces exceed 2 inches. Avoid daisy-chaining SPI with other noisy peripherals. Use a local 10μF ceramic + 1μF bypass cap at the VM and VDD pins, placed within 3mm of the pins to reduce transient voltage spikes.
Why might the DRV8873SPWPR unexpectedly trigger overcurrent protection in dynamic braking scenarios, and how can this be resolved?
The DRV8873SPWPR includes integrated overcurrent protection (OCP) that monitors current via external sense resistors, but rapid current reversals during dynamic braking can cause false OCP triggering due to inductive kickback and propagation delay in the OCP circuit. To resolve, ensure the OCP blanking time is properly set via SPI configuration register if supported. Additionally, verify that the sense resistor power rating is sufficient (e.g., 1W for extended overloads) and use RC filtering (e.g., 10Ω + 100pF) on the SNS pin to suppress high-frequency transients. Adjust brake timing in firmware to allow current decay before applying reverse drive.
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.
DRV8873SPWPR CAD Models
Texas Instruments DRV8873SPWPR PCB symbols & footprints
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