DRV8886ATPWP - 37V 2A Bipolar Stepper Driver | Texas Instruments
MPN: DRV8886ATPWP ✓ فعالDRV8886ATPWP جائزہ
A stepper motor driver is a power-management IC that converts low-power STEP and DIR logic signals from a microcontroller into the high-current phase currents required to commutate a two-phase bipolar stepper motor. It sits in the system hierarchy between the motion controller (often a microcontroller, FPGA, or dedicated motion MCU) and the mechanical motor, providing regulated current through each winding using an H-bridge topology with PWM current chopping. The DRV8886ATPWP belongs to the brushless-DC/stepper motor driver subcategory of power management ICs, integrating MOSFETs, gate drivers, and a microstepping indexer so the host only needs to provide step pulses.
Key features include a low 550 mΩ HS+LS on-resistance, integrated current sensing that eliminates external sense resistors, AutoTune (smart tune) technology that dynamically adapts decay mode to motor operating region, internal 3.3-V reference, stall detection (when used with AutoTune), and a low 20-µA sleep current. Programmable features include configurable decay modes (smart tune, mixed, slow, fast), 1 to 1/16 microstepping, torque DAC, and adjustable blanking/sleep timing via serial interface or external resistor.
Architecturally, the device combines a charge-pump gate driver, dual H-bridges built from N-channel MOSFETs, an internal current-sense amplifier per phase, and a state machine that handles microstepping commutation. This integration removes external sense resistors and allows the system MCU to focus on motion profiles rather than real-time current control.
Typical applications include 3D printers, automated door locks, point-of-sale (POS) printers, CCTV camera pan/tilt/zoom, and office automation equipment. For example, in a 3D printer extruder or bed-feeder axis, the DRV8886ATPWP delivers smooth microstep motion with AutoTune handling back-EMF-induced current distortion without firmware intervention.
When designing with this part, ensure the PowerPAD is soldered to a copper pour of at least 1 in² to achieve the rated 1.4-A rms continuous current; the package's thermal performance is PCB-dependent. Use a 0.1-µF VCC bypass capacitor close to the IC and follow the datasheet ground/power layout recommendations to keep digital switching noise out of the sense amplifier.
This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, application notes, and practical design guidance not consolidated on a single manufacturer or distributor page, giving engineers a one-stop decision resource for selecting and implementing the DRV8886ATPWP.
کے لیے ڈراپ اِن متبادل DRV8886ATPWP — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DRV8886ATPWP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Control Interface, Microstepping Levels, MSL Level, Motor Type.
DRV8886ATPWPR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DRV8886PWP
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8806PWPR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DRV8886ATPWP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Motor Type | Bipolar Stepper |
| Number of Full H-Bridges | 2 |
| Load Voltage Rating (VM max) | 37 V |
| Minimum Operating VM | 8 V |
| Logic Supply Voltage (VCC) | 3 V to 5.5 V |
| Full-Scale Output Current | 2 A (per H-bridge, 25°C PCB-dependent) |
| RMS Output Current | 1.4 A (24 V, TA=25°C, PCB design-dependent) |
| Peak Output Current | 3 A |
| HS + LS On-Resistance (RDSon) | 550 mΩ |
| Control Interface | STEP / DIR (Hardware GPIO) |
| Microstepping Levels | Full to 1/16 step |
| Integrated Current Sense | Yes (internal sense, no external resistors) |
| AutoTune / Smart Tune Decay | Yes |
| Decay Modes | Smart tune, mixed, slow, fast (programmable) |
| Sleep Current | 20 µA |
| PWM Chopping Frequency | Up to 100 kHz |
| آپریٹنگ درجہ حرارت رینج | -40°C to +125°C |
| Temperature Grade | Automotive |
| پیکیج | HTSSOP-24 (PWP) PowerPAD |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 2 (per JEDEC J-STD-020) |
| Terminal Finish | Nickel-Palladium-Gold |
| Peak Reflow Temperature | 260°C |
| RoHS اسٹیٹس | Compliant |
DRV8886ATPWP پن کنفیگریشن
| پن 1 | VCC — 3-5.5 V logic supply input |
| پن 2 | nSLEEP — Active-low sleep mode control |
| پن 3 | STEP — Step input; rising edge advances the indexer one microstep |
| پن 4 | DIR — Direction control input; sets direction of stepper rotation |
| پن 5 | nENABLE — Active-low enable input; low enables outputs |
| پن 6 | M0 — Microstepping mode bit 0 |
| پن 7 | M1 — Microstepping mode bit 1 |
| پن 8 | DECAY — Decay mode select / AutoTune enable |
| پن 9 | TORQUE — Torque DAC select |
| پن 10 | VREF — Current set reference voltage input |
| پن 11 | GND — Ground |
| پن 12 | AOUT1 — Phase A H-bridge output 1 to motor winding A |
| پن 13 | AOUT2 — Phase A H-bridge output 2 to motor winding A |
| پن 14 | BOUT1 — Phase B H-bridge output 1 to motor winding B |
| پن 15 | BOUT2 — Phase B H-bridge output 2 to motor winding B |
| پن 16 | GND — Ground (motor side) |
| پن 17 | VM — Motor supply (8 V to 37 V) |
| پن 18 | VM — Motor supply (8 V to 37 V) |
| پن 19 | GND — Ground (motor side) |
| پن 20 | CP1 — Charge pump flying capacitor 1 |
| پن 21 | CP2 — Charge pump flying capacitor 2 |
| پن 22 | VCP — Charge pump output |
| پن 23 | nFAULT — Active-low fault output (open-drain) |
| پن 24 | PowerPAD — Exposed thermal pad; tie to GND with thermal vias |
عام استعمالات
DRV8886ATPWP کے لیے موزوں ہے 6 ایپلیکیشنs: 3D Printer Extruder / Bed Feeder, Electronic Door Lock and Access Control, POS / Receipt Printer Paper Feed, CCTV Camera Pan / Tilt / Zoom (PTZ), Office Automation Equipment, Automated Vending and Dispensing.
3D Printer Extruder / Bed Feeder
The DRV8886ATPWP is well-suited to 3D-printer extruder and bed-feeder axes because its integrated current sensing eliminates external sense resistors, reducing BOM and PCB area in compact motion-control boards. With 2 A full-scale phase current and 1/16 microstepping, it delivers the smooth low-speed motion needed for layer-resolution printing, while AutoTune decay dynamically adjusts to the rapidly changing motor back-EMF during retraction and travel moves, preventing step loss without firmware tuning.
تجویز کردہ
Electronic Door Lock and Access Control
Battery-powered electronic door locks and access-control actuators demand low standby drain, smooth start/stop motion, and reliable holding current. The DRV8886ATPWP's 20 µA sleep current minimizes quiescent drain between activations, while the integrated current sense plus 1/16 microstepping yields the quiet, vibration-free operation required for residential and hospitality locks. AutoTune prevents the audible current ripple that would otherwise telegraph through the mechanical assembly during actuation.
تجویز کردہ
POS / Receipt Printer Paper Feed
Receipt, label, and POS printers that move paper via stepper motors benefit from the DRV8886ATPWP's 1.4-A rms continuous output and integrated sense that fits on small PCBs. The HTSSOP-24 PowerPAD package enables compact designs while delivering the torque density needed for cut/feed mechanisms. AutoTune adapts to the variable load as the printer dispenses varying paper thickness without firmware retuning.
تجویز کردہ
CCTV Camera Pan / Tilt / Zoom (PTZ)
CCTV PTZ cameras require smooth, low-noise motion across many discrete positions; the DRV8886ATPWP's 1/16 microstepping and integrated current sense produce the jitter-free positioning needed for surveillance quality. The 8-to-37-V VM range supports both 12-V and 24-V supply architectures, while 20 µA sleep current suits PoE-powered installations where standby power is budgeted. AutoTune suppresses the audible whine that would otherwise couple into the camera housing.
تجویز کردہ
Office Automation Equipment
Document scanners, laminators, copy-machine paper paths, and shredders all use small bipolar steppers. The DRV8886ATPWP's AutoTune removes the per-product firmware tuning typically required when using fixed-decay drivers, accelerating time-to-market. With 1.4 A rms continuous output in HTSSOP-24, it fits the small-form-factor requirements of office equipment while delivering the smooth, quiet operation expected in workplace environments.
تجویز کردہ
Automated Vending and Dispensing
Vending machines and product dispensers need reliable, low-maintenance stepper control in unattended installations. The DRV8886ATPWP's integrated current sensing reduces field failures from external sense-resistor drift, while AutoTune compensates for motor aging and varying mechanical loads. The 8-to-37-V VM range covers both 12-V and 24-V vending power buses; the HTSSOP-24 PowerPAD with at least 1 in² of copper sustains 1.4 A rms continuous at typical ambient.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DRV8886ATPWP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DRV8886ATPWPR | DRV8886PWP | DRV8806PWPR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | HTSSOP-24 (PWP) PowerPAD | HTSSOP-24 (PWP) PowerPAD - same | HTSSOP-24 (PWP) PowerPAD - same | HTSSOP-24 (PWP) - same footprint |
| Full-Scale Current | 2 A per H-bridge | 2 A per H-bridge | 2 A per H-bridge | 1.5 A per H-bridge (-25%) |
| VM Operating Range | 8 V to 37 V | 8 V to 37 V | 8 V to 37 V | 8 V to 38 V |
| AutoTune / Smart Tune | Yes (integrated) | Yes (integrated) | No (fixed decay modes) | No (fixed decay modes) |
| Integrated Current Sense | Yes (no external resistors) | Yes (no external resistors) | Yes (no external resistors) | No (external sense resistors required) |
| RDSon (HS+LS) | 550 mΩ | 550 mΩ | 550 mΩ | 1000 mΩ typical |
| Microstepping Levels | Full to 1/16 | Full to 1/16 | Full to 1/16 | Full to 1/8 |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C |
اہم امتیازی خصوصیات
- Integrated current sense eliminates external sense resistors (بمقابلہDRV8806PWPR)
- AutoTune (smart tune) decay algorithm (بمقابلہDRV8886PWP)
- Higher 2 A full-scale phase current capability (بمقابلہDRV8806PWPR)
ڈیزائن نوٹس
Estimated: at DRV and TH = 1.4 A rms per phase, VM = 24 V, and average Vmid = 12 V, per-phase conduction loss is approximately I²RDSon × Duty ≈ 1.4² × 0.55 × 0.5 ≈ 0.54 W per H-bridge (1.08 W total). The HTSSOP-24 PowerPAD must be soldered to a copper pour of at least 1 in² (650 mm²) to achieve the datasheet-rated 1.4 A rms at 25°C ambient. For continuous above 1.5 A rms, add a topside heatsink or use the DRV8434ARGER which is rated higher.
Place a 0.1 µF X7R ceramic VCC bypass capacitor within 5 mm of pin 1 (VCC), and a 10 µF minimum bulk capacitor from VM (pins 4 and 5) to GND, using the PowerPAD as the primary ground return. Route the AOUT1/AOUT2 and BOUT1/BOUT2 traces as wide as practical and keep the charge-pump flying capacitor between CP1 and CP2 close to the IC. Follow the recommended TI HTSSOP PowerPAD land pattern with at least 4 thermal vias for adequate dissipation.
Common pitfalls with the DRV8886ATPWP include (1) forgetting to connect nSLEEP high through a pull-up resistor, leaving the part in 20 µA sleep; (2) not soldering the PowerPAD, which prevents the part from delivering the rated 1.4 A rms; (3) driving VREF higher than 3.3 V which can exceed programmed current; and (4) omitting the nFAULT pull-up, which masks fault conditions. Always read the TI DRV8886AT datasheet section on fault handling and ensure VCC ramps before VM to prevent in-rush current errors.
تعمیل کی معلومات
RoHS compliant and lead-free per TI product page. Temperature grade is Automotive (-40°C to +125°C) per the TI datasheet, but this part is not formally AEC-Q100 qualified; verify application requirements before automotive deployment.
