ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC MTR DRVR BIPLR 6.5-45V 28SSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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)
- Mounting Type：Surface Mount
- Package / Case：28-PowerTSSOP (0.173", 4.40mm Width)
- Supplier Device Package：28-HTSSOP
- Grade：-
- Qualification：-
Download product information
Overview
The DRV8881EPWPR is a dual H-bridge motor driver from Texas Instruments, housed in a 28-pin HTSSOP package with an exposed PowerPAD. It supports bipolar stepper and brushed DC motors within a supply voltage range of 6.5 V to 45 V. The device delivers up to 2.5 A peak current per bridge or 1.4 A RMS under standard thermal conditions. Key features include AutoTune™ for automatic motor tuning, multiple decay modes, and a low-current sleep mode drawing 28 µA.
Feature Summary
- AutoTune™ technology automatically adjusts motor parameters to compensate for variations and aging effects.
- Configurable decay modes including slow, fast, and mixed decay for optimized motion control.
- Integrated 3.3 V LDO regulator provides power for external logic components.
- Comprehensive protection mechanisms cover overcurrent, short circuit, undervoltage, and thermal shutdown.
Applications
- Industrial automation systems requiring precise stepper motor control
- HVAC equipment utilizing brushed DC fans and pumps
- Office automation devices such as printers and scanners
- Medical equipment needing reliable motor actuation
Procurement Notes
Verify the suffix EPWPR indicates the HTSSOP-28 package variant with AutoTune functionality. Confirm RoHS compliance status matches project requirements. Check datasheet for specific thermal resistance values relevant to your PCB layout. Ensure ordering quantities align with manufacturer reel specifications.
Selection Notes
Select this part when AutoTune capability is required for consistent performance across different motor batches. Compare against DRV8881PPWPR if parallel PWM control is preferred over phase/enable interfaces. Evaluate thermal management needs based on the 1.4 A RMS continuous current rating and available copper area for heat dissipation.
Part Context
This component belongs to the DRV8881 family of high-current motor drivers designed for industrial applications. It integrates control logic and power stages into a single compact solution. The EPWPR designation specifically identifies the version with AutoTune and Phase/Enable interface, distinguishing it from other variants in the series.
Replacement Considerations
DRV8881PPWPR offers similar electrical characteristics but utilizes a PWM interface instead of Phase/Enable and lacks AutoTune.
FAQ
What is the primary difference between DRV8881E and DRV8881P?
The DRV8881E includes AutoTune functionality and uses a Phase/Enable interface, while the DRV8881P supports parallel PWM operation but does not have AutoTune.
How does the AutoTune feature benefit motor performance?
AutoTune automatically optimizes current regulation parameters to compensate for motor differences and aging, ensuring consistent torque and smooth motion without manual adjustment.
