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Texas Instruments DRV8881EPWP
- Part No.:
- DRV8881EPWP
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DRV8881EPWP.pdf
- Description:
- IC MTR DRVR BIPLR 6.5-45V 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,666
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Product details
Overview
DRV8881EPWP from Texas Instruments is a 28-pin HTSSOP dual H-bridge motor driver IC for bipolar stepper and brushed-DC motors, operating from 6.5 V to 45 V with 2.5-A peak/1.4-A rms per bridge, featuring PHASE/ENABLE control interface and Smart Tune adaptive decay tuning - used in precision video security camera pan-tilt mechanisms.
For engineers reviewing the DRV8881EPWP datasheet, DRV8881EPWP pinout, DRV8881EPWP application, or DRV8881EPWP equivalent, this page delivers verified electrical specs, thermal performance data, decay mode configuration logic, fault reporting behavior, and real-world implementation constraints for industrial motion control designs.
Technical Context
The DRV8881EPWP integrates two N-channel MOSFET H-bridges with integrated current-sense amplifiers, adaptive blanking time scaling, and tri-level configurable off-time (10/20/30 µs). Its Smart Tune function dynamically selects optimal decay mode (slow/mixed/fast) per step cycle to minimize current ripple while preserving transient response - exclusive to the E variant.
Control is implemented via dedicated PH/EN pins (APH/AEN/BPH/BEN), with torque scaling via TRQ0/TRQ1 digital inputs and decay mode selection via ADECAY/BDECAY tri-level pins. Fault status is reported on open-drain nFAULT, and low-power sleep mode draws only 28 µA at 24 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 6.5 V to 45 V - supports wide-input industrial DC bus rails including 12 V, 24 V, and 36 V systems without external regulation. |
| Peak Output Current | 2.5 A per H-bridge - sets overcurrent protection trip threshold; defines maximum transient winding current capability. |
| RMS Output Current | 1.4 A per H-bridge at TA = 25°C with proper PCB thermal plane - determines continuous torque delivery under thermal limits. |
| Smart Tune Support | Yes - automatic decay mode adaptation per step; requires ATE pin high at power-up or wake-from-sleep to enable. |
| Off-Time Configuration | 10 / 20 / 30 µs via TOFF tri-level pin - directly sets PWM chopping period; impacts current regulation stability and audible noise. |
| Thermal Resistance | RθJA = 33.1 °C/W (HTSSOP) - defines junction-to-ambient temperature rise per watt; critical for heatsinkless PCB layout design. |
| Sleep Current | 28 µA at 24 V and 25°C - enables ultra-low-power standby in battery-backed or energy-sensitive motion subsystems. |
Pinout & Package
DRV8881EPWP uses a 28-pin HTSSOP (PWP) package with exposed thermal pad (GND-connected), measuring 9.70 mm × 6.40 mm. The package supports high-power dissipation via bottom-side thermal pad soldered to PCB ground plane.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| APH / AEN / BPH / BEN | Phase/Enable control inputs | Digital interface for bidirectional brushed-DC or stepper winding control; defines forward/reverse/Hi-Z states per bridge. |
| AOUT1 / AOUT2 / BOUT1 / BOUT2 | H-bridge output terminals | Drive motor windings directly; each pair forms one full H-bridge capable of ±2.5-A peak current switching. |
| AISEN / BISEN | Current sense inputs | Accept voltage drop across external sense resistors; set full-scale current via AVREF/BVREF and TRQ[1:0] DAC. |
| nFAULT | Open-drain fault indicator | Pulled low on UVLO, OCP, TSD, or charge pump fault; requires external pullup to V3P3 or VM for system-level monitoring. |
| nSLEEP | Low-power mode enable | Logic high enables operation; logic low enters 28-µA sleep state with Hi-Z outputs and disabled internal regulators. |
| ATE | Smart Tune enable | Must be high at power-up or wake-from-sleep to activate automatic decay tuning; internal pulldown defaults to disabled. |
| TRQ0 / TRQ1 | Torque DAC select | Set 100%/75%/50%/25% current scaling without modifying AVREF/BVREF analog voltage - reduces power during idle motion. |
| TOFF | Off-time configuration | Tri-level input selecting 10 µs (Hi-Z), 20 µs (low), or 30 µs (high) PWM off-time - adjusts current regulation loop bandwidth. |
Key Features
| Feature | Design Value |
|---|---|
| Smart Tune adaptive decay | Automatically selects slow/mixed/fast decay per step to minimize current ripple while maintaining fast step response - eliminates manual decay tuning. |
| Configurable PWM off-time | 10/20/30 µs selection via TOFF pin - balances current regulation accuracy, thermal efficiency, and audible motor noise. |
| Digital torque scaling | TRQ0/TRQ1 pins adjust full-scale current by 25% increments - enables dynamic current reduction during low-torque motion phases. |
| Adaptive blanking time | Reduces minimum drive pulse width at low currents - prevents current waveform distortion and improves low-speed microstepping linearity. |
| Integrated 3.3-V LDO | V3P3 regulator supplies up to 10 mA - powers external logic or sensors; bypassed with 0.47-µF ceramic capacitor to GND. |
Applications
| Video Security Camera Pan-Tilt | Multi-Function Printer Paper Path |
|---|---|
Use Scenario: Precise bidirectional rotation of camera housing with smooth acceleration/deceleration and minimal vibration. IC Role / Device Role / Timing Role: Dual H-bridge driver controlling two stepper motor windings; Smart Tune ensures consistent current regulation across varying load inertia and temperature. Use Value: Eliminates manual decay tuning effort and reduces position error during rapid direction reversals - critical for accurate auto-tracking. |
Use Scenario: Synchronized paper feed, registration, and duplex transport using multiple small stepper and brushed-DC motors. IC Role / Device Role / Timing Role: Single-chip dual motor driver enabling compact board layout; TRQ[1:0] scaling lowers power during paper-idle states. Use Value: Reduces system standby power by 75% vs fixed-current operation - extends duty cycle in energy-constrained office equipment. |
| Factory Automation Linear Actuator | ATM Cash Dispenser Mechanism |
Use Scenario: Closed-loop positioning of pneumatic valve actuators requiring precise incremental movement and stall detection. IC Role / Device Role / Timing Role: Stepper driver with nFAULT reporting overcurrent and thermal faults; RDS(ON) < 440 mΩ ensures low conduction loss at 24 V supply. Use Value: Enables reliable stall detection via sense-resistor-based current monitoring - avoids mechanical jam damage in unattended operation. |
Use Scenario: High-reliability cash stacking, sorting, and dispensing using stepper-driven rollers and solenoid-assisted gates. IC Role / Device Role / Timing Role: Dual H-bridge powering main transport and gate actuation; 45-V max VM supports legacy 36-V industrial power rails. Use Value: Maintains functional safety through integrated UVLO, OCP retry, and thermal shutdown - meets ATM uptime and audit requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual H-bridge motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV8880PWPR | Same pinout, 2.5-A peak, but lacks Smart Tune and uses PWM interface only - no PH/EN option. | Requires controller PWM generation instead of simple phase/enable signals; unsuitable where Smart Tune simplification is required. | Select DRV8880PWPR only if existing firmware already implements PWM timing and decay mode management. |
| MP6500GQZ | 28-QFN, 2.5-A peak, integrated current regulation, but no Smart Tune and fixed 24-µs off-time - no TOFF configuration. | Limited decay flexibility; lacks TRQ[1:0] torque scaling and nFAULT open-drain reporting architecture. | Choose MP6500GQZ for cost-sensitive, fixed-decay applications where adaptive tuning and digital torque control are unnecessary. |
Compared with DRV8880PWPR and MP6500GQZ, the DRV8881EPWP uniquely combines PH/EN simplicity, Smart Tune automation, and programmable off-time - reducing firmware complexity and improving motion smoothness in stepper-centric industrial systems.
Availability
DRV8881EPWP is available at Aetrix Electronics and suitable for video security cameras, multi-function printers, and factory automation systems requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for DRV8881EPWP 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 for industrial, automotive, and communications markets.
The DRV8881 product line delivers highly integrated, thermally robust motor drivers for precision motion control - designed specifically for stepper and brushed-DC applications demanding reliability, configurability, and simplified system integration.
FAQ
What is the maximum continuous RMS current per H-bridge for DRV8881EPWP?
The DRV8881EPWP delivers 1.4-A rms current per H-bridge at TA = 25°C with adequate PCB copper area for thermal dissipation. This value decreases with rising ambient temperature or reduced heatsinking - actual usable rms current must be validated against measured junction temperature using RθJA = 33.1 °C/W and thermal derating curves in the datasheet. DRV8881EPWP does not support parallel mode, unlike the P variant.
How does Smart Tune work on DRV8881EPWP, and what is required to enable it?
Smart Tune on DRV8881EPWP automatically selects optimal decay mode (slow/mixed/fast) per step cycle to minimize current ripple while preserving responsiveness. To enable it, the ATE pin must be held logic high before power-up or immediately after exiting nSLEEP - if left floating or pulled low, Smart Tune remains disabled and decay mode falls back to ADECAY/BDECAY pin settings.
What are the key differences between DRV8881EPWP and DRV8881PPWP?
DRV8881EPWP uses PHASE/ENABLE (APH/AEN/BPH/BEN) control and supports Smart Tune; DRV8881PPWP uses PWM (AIN1/AIN2/BIN1/BIN2) control and supports Parallel Mode. They share identical current ratings, package footprint, and protection features, but differ in interface logic, decay automation, and current-doubling capability - DRV8881PPWP cannot use Smart Tune, and DRV8881EPWP cannot enter parallel mode.
Can DRV8881EPWP drive a single brushed-DC motor in both directions?
Yes, DRV8881EPWP can drive a single brushed-DC motor bidirectionally by configuring one H-bridge (e.g., AOUT1/AOUT2) as the primary drive path and leaving the second bridge unused or repurposed. PH/EN control allows forward/reverse/coast states via APH/AEN logic combinations, with current regulation maintained via AISEN and AVREF - no hardware modification is needed beyond standard sense resistor and decoupling layout.
What thermal design considerations apply to DRV8881EPWP in HTSSOP package?
DRV8881EPWP in HTSSOP (PWP) has RθJA = 33.1 °C/W; achieving rated 1.4-A rms requires ≥200 mm² of 2-oz copper connected to the exposed thermal pad. Thermal vias (≥8× 0.3-mm diameter) must connect the pad to inner/ground planes. Ambient temperature above 85°C requires derating - at 125°C ambient, max usable rms current drops to ~0.9 A. Layout must avoid routing signal traces under the thermal pad.
DRV8881EPWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (4)
- Interface:
- Parallel
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- 1.4A
- Voltage - Supply:
- 6.5V ~ 45V
- Voltage - Load:
- 6.5V ~ 45V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-HTSSOP
DRV8881EPWP FAQ
1.How can I place an order for DRV8881EPWP through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8881EPWP 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 DRV8881EPWP reliable?
The price and inventory of DRV8881EPWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8881EPWP is usually 5 days.
3.What payment methods are accepted for DRV8881EPWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8881EPWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8881EPWP?
DRV8881EPWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8881EPWP 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 DRV8881EPWP?
For technical support, including DRV8881EPWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8881EPWP requirements.
6.How does Aetrix verify that DRV8881EPWP is sourced from the original manufacturer or authorized distributors?
All DRV8881EPWP 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 DRV8881EPWP meets industry standards.
7.What is the process for return or replacement of DRV8881EPWP?
All DRV8881EPWP units undergo pre-shipment inspection (PSI). If there is an issue with DRV8881EPWP, 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 DRV8881EPWP part is unused and in its original packaging.
Return procedure for DRV8881EPWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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