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Texas Instruments DRV8805PWP
- Part No.:
- DRV8805PWP
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DRV8805PWP.pdf
- Description:
- IC MTR DRV UNIPLR 8.20V 16HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:755
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Product details
Overview
DRV8805PWP from Texas Instruments is a quad-channel protected low-side stepper motor driver IC for unipolar stepper motors, featuring integrated clamp diodes, step/direction interface, 2-A single-channel continuous output current (at 25°C with PCB heatsinking), 8.2-V to 60-V supply range, and thermal/overcurrent/UVLO protection - used in gaming machines and precision motion control systems.
For engineers reviewing the DRV8805PWP datasheet, DRV8805PWP pinout, DRV8805PWP application, or DRV8805PWP equivalent, this page delivers verified electrical specs, HTSSOP-16 package thermal design guidance, indexer timing behavior, fault signaling logic, and real-world substitution options aligned with TI's official characterization.
Technical Context
The DRV8805PWP integrates four N-channel MOSFET low-side drivers with 500-mΩ typical RDS(on) at 25°C, each equipped with internal clamp diodes tied to VCLAMP for inductive transient suppression. Its indexer logic supports full-step, half-step, and wave-drive modes via SM0/SM1 pins, responding to STEP rising edges and DIR polarity.
Fault management includes analog overcurrent detection (2.3–3.8 A trip level, 3.5 µs deglitch), thermal shutdown at ~150°C, and UVLO activation below 8.2 V on VM. The nFAULT open-drain output asserts low during faults; nHOME provides home-position indication with weak internal pullup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 8.2 V to 60 V - supports wide-range industrial motor supplies without external regulation |
| Continuous Output Current (1 ch) | 2 A at 25°C with proper PCB heatsinking - enables high-torque unipolar stepper operation |
| Continuous Output Current (4 ch) | 1 A at 25°C with proper PCB heatsinking - defines simultaneous winding drive capability |
| RDS(on) (typ) | 0.5 Ω at 25°C - determines conduction loss and thermal rise under load |
| Step Frequency Max | 250 kHz - sets maximum stepping rate for high-speed positioning |
| OCP Trip Level | 2.3–3.8 A - defines current limit threshold before automatic shutdown and retry |
| Thermal Shutdown Temp | 150–180°C - triggers safe disablement when die temperature exceeds safe operating limit |
Pinout & Package
The DRV8805PWP uses a 16-pin HTSSOP package with exposed PowerPAD™ for enhanced thermal dissipation. PCB layout requires soldering the PowerPAD™ to a large copper area connected via multiple vias to internal ground planes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VM | Motor power input | Supplies both motor windings and internal gate drivers; must be decoupled with bulk + bypass capacitors |
| VCLAMP | Clamp diode return | Connects to VM or Zener diode to enable voltage clamping above supply rail during turn-off transients |
| OUT1–OUT4 | Low-side NMOS outputs | Sink current to ground for unipolar stepper windings; each rated for 2-A peak pulse and 1-A sustained 4-ch operation |
| STEP / DIR / SM0 / SM1 | Digital control inputs | Edge-triggered STEP advances position; DIR sets rotation direction; SM0/SM1 configure full/half/wave drive mode |
| nENBL | Active-low enable | Drives all outputs high-impedance when logic high; internal pulldown ensures safe default state |
| RESET | Logic reset | Active-high signal initializes indexer to home state and clears fault latch; internal pulldown prevents spurious reset |
| nFAULT | Open-drain fault flag | Pulled low during overcurrent, overtemperature, or UVLO; requires external pullup for system-level monitoring |
| nHOME | Open-drain home indicator | Asserts low when indexer reaches defined home position; weak internal pullup enables direct MCU interface |
| GND (5 pins + PowerPAD™) | Ground reference | Multiple GND pins and exposed PowerPAD™ minimize impedance and improve thermal transfer to PCB |
Key Features
| Feature | Design Value |
|---|---|
| Integrated clamp diodes | Eliminates need for external flyback diodes; reduces BOM count and board space for unipolar stepper designs |
| Indexer with step/direction interface | Translates simple STEP/DIR signals into precise winding excitation sequences - no external microcontroller required |
| Three-step mode selection | Full-step (2-phase), half-step (1-2-phase), and wave-drive (1-phase) modes selectable via SM0/SM1 pins |
| Comprehensive fault protection | Simultaneous overcurrent, thermal, and undervoltage lockout with automatic retry and status reporting via nFAULT |
| Thermally enhanced HTSSOP-16 | PowerPAD™ enables >2× higher power dissipation vs. SOIC; RθJA = 39.6°C/W with proper PCB heatsinking |
Applications
| Gaming Machine Motion Control | Industrial Packaging Conveyor Indexing |
|---|---|
|
Use Scenario: Precise angular positioning of prize wheels, coin hoppers, and payout mechanisms in arcade and casino gaming cabinets. IC Role / Device Role / Timing Role: DRV8805PWP acts as the dedicated stepper driver translating MCU-generated STEP/DIR commands into controlled winding currents for smooth, repeatable motion. Use Value: Integrated indexer and 2-A per-channel drive support rapid acceleration/deceleration without external logic, reducing firmware complexity and improving mechanical reliability. |
Use Scenario: Synchronized indexing of product carriers on packaging lines using unipolar stepper-driven cam mechanisms. IC Role / Device Role / Timing Role: DRV8805PWP serves as the motor interface layer, accepting PLC-generated step pulses and managing real-time current limiting and fault response. Use Value: Built-in OCP and thermal shutdown prevent coil burnout during jam events, while nFAULT signaling enables immediate line-stop coordination. |
| Medical Lab Automation Stage Positioning | Office Equipment Paper Feed Mechanism |
|
Use Scenario: High-accuracy sample tray movement in automated blood analyzers and PCR instrument carousels. IC Role / Device Role / Timing Role: DRV8805PWP functions as the closed-loop stepper actuator driver, executing microstepped motion profiles with deterministic timing. Use Value: 250-kHz step frequency and sub-millisecond OCP retry time ensure responsive correction during positional errors, meeting IEC 61000-4-5 surge immunity requirements. |
Use Scenario: Bidirectional paper path control in multifunction printers and document scanners using compact unipolar stepper motors. IC Role / Device Role / Timing Role: DRV8805PWP operates as the embedded motion controller, interpreting host controller STEP/DIR signals and managing motor current decay via VCLAMP. Use Value: Integrated clamp diodes and 1-A four-channel drive capability allow quiet, jitter-free paper advancement without external snubbers or heat sinks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unipolar stepper motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TB6600HG | Higher voltage rating (40 V max), 3.5-A peak output, but lacks integrated indexer and requires external step logic | Requires external microcontroller for sequencing; better suited for custom waveform generation | Select when programmable excitation patterns or higher peak current are needed, and board space allows extra logic |
| LV8711T | Bipolar stepper focus; 2.5-A peak, integrated current DAC, but no native unipolar mode or VCLAMP pin | Designed for bipolar motors; unipolar use requires external diode networks and modified control | Choose only if migrating from bipolar to unipolar is acceptable and thermal budget permits added components |
Compared with TB6600HG and LV8711T, the DRV8805PWP uniquely combines indexer logic, unipolar-optimized clamp architecture, and HTSSOP thermal performance - making it optimal for cost-sensitive, space-constrained unipolar systems requiring plug-and-play motion control.
Availability
DRV8805PWP is available at Aetrix Electronics and suitable for gaming machine motion control, industrial packaging indexing, medical lab automation, office equipment paper feed, and precision stage positioning requiring stable component supply across production lifecycles.
Supply support for DRV8805PWP 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 company delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The DRV8805PWP belongs to TI's motor driver IC product line, engineered specifically for cost-effective, thermally robust unipolar stepper motor control in space-constrained applications where integrated protection and indexer logic reduce system complexity.
FAQ
What is the maximum continuous output current per channel for DRV8805PWP at 25°C?
The DRV8805PWP supports up to 2 A continuous output current per channel at 25°C when mounted on a PCB with adequate heatsinking - specifically, a 2-layer FR-4 board with the PowerPAD™ soldered to a large copper area and multiple thermal vias. This rating drops to 1 A when all four channels operate simultaneously under the same conditions, as specified in TI's SLVSAW3D datasheet Section 6.3.
How does the VCLAMP pin function in DRV8805PWP?
The VCLAMP pin in DRV8805PWP serves as the common anode connection point for the four integrated clamp diodes. It must be connected either directly to the VM supply rail or to a Zener/TVS diode referenced to VM, enabling controlled voltage clamping during motor winding turn-off transients. This eliminates external flyback diodes and allows faster current decay in unipolar stepper applications - a key design feature confirmed in Sections 7.3.1 and 8.2.2.1 of the DRV8805PWP datasheet.
Does DRV8805PWP support half-step and wave-drive modes?
Yes, DRV8805PWP supports three stepping modes: 2-phase full-step, 1-2-phase half-step, and 1-phase wave drive - selected via the logic states of SM0 and SM1 pins as defined in Table 1 of the datasheet. The indexer logic executes these modes autonomously without external microcontroller intervention, making DRV8805PWP suitable for simple motion control systems requiring resolution flexibility without added firmware overhead.
What fault conditions trigger the nFAULT pin on DRV8805PWP?
The nFAULT pin on DRV8805PWP is driven low during overcurrent (OCP), overtemperature (TSD), or undervoltage lockout (UVLO) events. Each condition disables all outputs and asserts nFAULT as an open-drain signal requiring external pullup. Recovery occurs automatically after TSD cooldown or UVLO restoration, or immediately upon RESET assertion or VM cycle - behavior fully documented in Sections 7.3.4 and 7.4.1 of the DRV8805PWP production data sheet.
Is DRV8805PWP pin-compatible with the SOIC-packaged DRV8805DW?
No, DRV8805PWP is not pin-compatible with DRV8805DW. The DRV8805PWP uses a 16-pin HTSSOP package with PowerPAD™, while DRV8805DW uses a 20-pin SOIC package. Pin counts, layouts, and thermal pad configurations differ significantly - requiring separate PCB footprints and layout strategies. This distinction is explicitly stated in TI's Device Information table and Mechanical section of the SLVSAW3D datasheet.
DRV8805PWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Motor Type - Stepper:
- Unipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Low Side (4)
- Interface:
- Logic
- Technology:
- Power MOSFET
- Step Resolution:
- 1, 1/2
- Applications:
- General Purpose
- Current - Output:
- 1A
- Voltage - Supply:
- 8.2V ~ 60V
- Voltage - Load:
- 8.2V ~ 60V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-HTSSOP
DRV8805PWP FAQ
1.How can I place an order for DRV8805PWP through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8805PWP 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 DRV8805PWP reliable?
The price and inventory of DRV8805PWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8805PWP is usually 5 days.
3.What payment methods are accepted for DRV8805PWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8805PWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8805PWP?
DRV8805PWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8805PWP 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 DRV8805PWP?
For technical support, including DRV8805PWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8805PWP requirements.
6.How does Aetrix verify that DRV8805PWP is sourced from the original manufacturer or authorized distributors?
All DRV8805PWP 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 DRV8805PWP meets industry standards.
7.What is the process for return or replacement of DRV8805PWP?
All DRV8805PWP units undergo pre-shipment inspection (PSI). If there is an issue with DRV8805PWP, 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 DRV8805PWP part is unused and in its original packaging.
Return procedure for DRV8805PWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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