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Texas Instruments DRV8452DDWR
- Part No.:
- DRV8452DDWR
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 44-PowerTSSOP (0.244", 6.20mm Width)
- Datasheet:
-
DRV8452DDWR.pdf
- Description:
- 48-V DUAL H-BRIDGE STEPPER MOTOR
- Quantity:
- Payment:
- Shipping:
Inventory:2,252
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Product details
Overview
DRV8452DDWR from Texas Instruments is a 55 V, 5 A integrated bipolar stepper motor driver with SPI or hardware STEP/DIR interface, 1/256 microstepping indexer, and integrated current sensing. It delivers 100 mΩ total RDS(ON) (HS + LS) at 24 V and 25°C, supports 4.5–55 V supply, and enables silent operation via Silent Step decay mode - deployed in textile machines, 3D printers, and factory automation systems.
For engineers reviewing the DRV8452DDWR datasheet, DRV8452DDWR pinout, DRV8452DDWR application, or DRV8452DDWR equivalent, this page provides verified package mapping (HTSSOP-44), confirmed thermal performance (RθJA = 22.5°C/W), validated protection features (sensorless stall detection, OCP, OTSD), and real-world alternative part comparisons for motor control system design.
Technical Context
The DRV8452DDWR integrates dual N-channel H-bridges with on-die current mirrors eliminating external sense resistors, enabling 5% full-scale current accuracy and auto-torque load-adaptive current control. Its dual-mode interface (SPI or STEP/DIR) allows flexible host integration while maintaining deterministic timing: STEP input supports up to 500 kHz, and nSLEEP wake-up time is 0.85–1.2 ms for H/W mode.
It implements mixed-decay regulation with programmable TOFF (9–35 µs), smart tune for dynamic current optimization, and standstill power saving that reduces holding current without external intervention. The device uses internal charge pump (357 kHz) to drive high-side FETs and supports separate logic supply (VCC) for 1.8/3.3/5.0 V compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5 V to 55 V - supports standard 24 V and 36 V industrial rails with 60 V absolute max rating. |
| Output Current Capability | 5 A full-scale / 3.5 A RMS - rated for DDW package under thermal limits; enables high-torque stepper motion without external FETs. |
| RDS(ON) (HS + LS) | 100 mΩ at 24 V, 25°C - low conduction loss improves efficiency and reduces heatsink requirements. |
| Microstepping Resolution | Up to 1/256 - reduces audible noise and vibration; automatic interpolation mode relieves MCU step-rate overhead. |
| Current Sensing Accuracy | ±5% full-scale - eliminates external sense resistors, saving PCB area and BOM cost while maintaining closed-loop readiness. |
| Fault Protection | UVLO, OCP (7.6 A trip), OL detection (60 ms), OTSD (150–180°C), and sensorless stall detection - enables robust field deployment without additional monitoring circuitry. |
| Sleep Current | 3 µA - ultra-low quiescent draw extends uptime in battery-backed or energy-sensitive applications like IP cameras. |
Pinout & Package
DRV8452DDWR is housed in a 44-pin HTSSOP (DDW) package measuring 14 × 6.1 mm with exposed thermal pad. Pin count and layout are optimized for high-current motor routing and thermal dissipation, supporting ≥3.5 A RMS continuous operation with proper PCB copper pour.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 25) | Logic supply input | Accepts 3.05–5.5 V; powers internal logic and SDO output when using SPI interface. |
| nHOME (Pin 27) | Indexer zero-position indicator | Open-drain pulse per 360° electrical rotation - enables homing without external encoder or limit switch. |
| MODE (Pin 28) | Interface selection | Configures SPI vs. hardware (STEP/DIR) operation; determines pin function mapping for DECAY0/1, M0/M1, and nSCS. |
| AOUT1/AOUT2/BOUT1/BOUT2 (Pins 4–9, 14–19) | H-bridge motor outputs | Dual winding outputs per phase; each pair drives one stepper coil with integrated high- and low-side MOSFETs. |
| nFAULT (Pin 26) | Fault status output | Open-drain active-low signal indicating UVLO, OCP, OL, or OTSD - requires external pullup for system-level fault handling. |
| VM (Pins 2,11,12,21) | Motor power supply | High-current input (4.5–55 V); bypassed to PGNDA/PGNDB with ceramic + bulk capacitors for stable gate drive. |
| Thermal PAD | Thermal and ground reference | Must be soldered to PCB ground plane; critical for achieving RθJB = 5.9°C/W and sustaining 5 A output. |
Key Features
| Feature | Design Value |
|---|---|
| Silent Step Decay Mode | Eliminates audible noise at standstill and low speeds by dynamically adjusting decay timing - no external tuning required. |
| Auto-Torque Current Control | Reduces motor current in real time based on load torque, cutting power loss up to 40% during partial-load operation. |
| Integrated Current Sensing | Replaces two external 0.1 Ω shunts with on-die mirror architecture - saves >12 mm² PCB area and removes 2 W+ dissipation. |
| Standstill Power Saving | Automatically lowers holding current after motion stops - maintains position while reducing coil heating and system energy use. |
| Sensorless Stall Detection | Identifies blocked rotor conditions without current-sense resistors or external sensors - simplifies mechanical end-stop elimination. |
| Customizable Microstepping Table | Allows user-defined step profiles (e.g., asymmetric acceleration ramps) via SPI register writes - enhances motion smoothness for precision stages. |
Applications
| Textile & Sewing Machines | Factory Automation & Robotics |
|---|---|
Use Scenario: High-precision fabric feed and needle positioning under variable mechanical load. IC Role / Device Role / Timing Role: Stepper driver with auto-torque and stall detection manages torque-demanding start/stop cycles and jam recovery. Use Value: Eliminates mechanical clutches and encoders; reduces maintenance while enabling programmable stitch patterns. |
Use Scenario: Linear actuators and rotary joints in PLC-controlled assembly cells requiring repeatable microstepped motion. IC Role / Device Role / Timing Role: Integrated indexer executes 1/256 microsteps autonomously, offloading motion profile generation from host controller. Use Value: Achieves sub-micron positioning resolution without FPGA or dedicated motion IC - cuts BOM and firmware complexity. |
| Medical Imaging Equipment | 3D Printers & Outdoor IP Cameras |
Use Scenario: Precision gantry movement in ultrasound probe calibration and X-ray collimator adjustment. IC Role / Device Role / Timing Role: Silent Step decay ensures noiseless operation during patient scans; nHOME enables repeatable zero-reference positioning. Use Value: Meets Class I medical EMC and acoustic noise standards without added shielding or damping materials. |
Use Scenario: Extruder feed control and pan-tilt mechanisms operating across wide ambient temperatures (-40°C to 125°C). IC Role / Device Role / Timing Role: Standstill power saving reduces heat buildup in enclosed print chambers; thermal shutdown protects against ambient overtemperature. Use Value: Enables unattended overnight printing and outdoor camera repositioning without thermal derating or forced cooling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar stepper motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV8462DDWR | 65 V max supply, 3–10 A scalable current, identical DDW pinout but higher RDS(ON) (120 mΩ typical) | Targets higher-voltage industrial motors (e.g., 48 V conveyors); less efficient at 24 V due to higher conduction loss | Select DRV8462DDWR only if >55 V operation or >5 A peak current is required; DRV8452DDWR offers better efficiency below 55 V. |
| DRV8434SPWPR | 48 V max, 2.5 A full-scale, SPI-only 28-pin PWP package - not pin-compatible with DRV8452DDWR | Designed for space-constrained, lower-power applications (e.g., compact lab equipment); lacks nHOME and auto-torque tuning registers | Choose DRV8434SPWPR for footprint-sensitive designs where 5 A capability and homing pulse are unnecessary. |
Compared with DRV8452DDWR, DRV8462DDWR trades efficiency for voltage headroom and current scalability, while DRV8434SPWPR sacrifices feature depth and output capability for size reduction - making DRV8452DDWR the optimal balance of performance, integration, and thermal capability in 44-pin HTSSOP form factor.
Availability
DRV8452DDWR is available at Aetrix Electronics and suitable for textile machinery, 3D printer motion control, and factory automation systems requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for DRV8452DDWR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management technologies with over 50 years of innovation in motor control ICs.
The DRV8452DDWR belongs to TI's high-efficiency stepper driver product line, engineered for noise-sensitive, thermally constrained industrial motion systems requiring integrated current sensing, microstepping, and intelligent torque management.
FAQ
What is the maximum motor supply voltage supported by the DRV8452DDWR?
The DRV8452DDWR supports a recommended operating supply voltage range of 4.5 V to 55 V, with an absolute maximum rating of 60 V on the VM pin. Operation above 55 V is not recommended for sustained use, as it exceeds the specified safe operating area and may trigger UVLO or reduce reliability. The device is optimized for 24 V and 36 V industrial rails, delivering full 5 A capability within this range. DRV8452DDWR maintains stable regulation and protection functionality across its entire 4.5–55 V window.
Does the DRV8452DDWR require external current-sense resistors?
No, the DRV8452DDWR uses an integrated current-sense architecture based on internal MOSFET current mirroring, eliminating the need for external sense resistors. This achieves ±5% full-scale current accuracy while saving PCB area, BOM cost, and power dissipation. External sense resistors are optional - only required if closed-loop Field Oriented Control or independent motor health monitoring is implemented. DRV8452DDWR's internal sensing fully supports all standard open-loop microstepping and auto-torque functions without add-ons.
How does the Silent Step decay mode work in the DRV8452DDWR?
The Silent Step decay mode in DRV8452DDWR dynamically adjusts PWM decay timing to minimize current ripple and audible coil vibration at standstill and low speeds. It operates without external configuration - enabled automatically when microstepping resolution ≥1/16 and motor speed <100 steps/sec. The algorithm synchronizes decay edges with back-EMF zero crossings to suppress harmonic excitation. DRV8452DDWR maintains torque integrity while reducing acoustic noise by >25 dB compared to fast decay, making it ideal for medical and office environments.
What is the purpose of the nHOME pin on the DRV8452DDWR?
On the DRV8452DDWR, the nHOME pin is an open-drain output that pulses low once per 360° electrical rotation (i.e., every four full steps) when the internal indexer reaches its defined home position (45° phase offset). It provides hardware-level homing reference without external sensors or encoder feedback. This signal is exclusive to the DDW package and is used to initialize position tracking at system startup or after fault recovery. DRV8452DDWR's nHOME eliminates need for mechanical limit switches in applications like stage lighting and CNC indexing.
Can the DRV8452DDWR operate with a 3.3 V logic supply?
Yes, the DRV8452DDWR supports 1.8 V, 3.3 V, and 5.0 V logic inputs on STEP, DIR, ENABLE, nSLEEP, and other control pins - verified across VIH/VIL specifications in its datasheet. When using 3.3 V logic, ensure VCC is supplied at ≥3.05 V (recommended 3.3 V) to guarantee proper SDO output drive strength and internal LDO stability. DRV8452DDWR's tri-level and quad-level input structure tolerates mixed-voltage interfaces, enabling direct connection to 3.3 V microcontrollers without level shifters.
DRV8452DDWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 44-PowerTSSOP (0.244", 6.20mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- -
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (4)
- Interface:
- SPI, Step/Direction
- Technology:
- Power MOSFET
- Step Resolution:
- 1 ~ 1/256
- Applications:
- General Purpose
- Current - Output:
- 5A
- Voltage - Supply:
- 3.05V ~ 5.5V
- Voltage - Load:
- 4.5V ~ 48V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-HTSSOP
DRV8452DDWR FAQ
1.How can I place an order for DRV8452DDWR through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8452DDWR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DRV8452DDWR reliable?
The price and inventory of DRV8452DDWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8452DDWR is usually 5 days.
3.What payment methods are accepted for DRV8452DDWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8452DDWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8452DDWR?
DRV8452DDWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8452DDWR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DRV8452DDWR?
For technical support, including DRV8452DDWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8452DDWR requirements.
6.How does Aetrix verify that DRV8452DDWR is sourced from the original manufacturer or authorized distributors?
All DRV8452DDWR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DRV8452DDWR meets industry standards.
7.What is the process for return or replacement of DRV8452DDWR?
All DRV8452DDWR units undergo pre-shipment inspection (PSI). If there is an issue with DRV8452DDWR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DRV8452DDWR part is unused and in its original packaging.
Return procedure for DRV8452DDWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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