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Analog Devices Inc./Maxim Integrated TMC5272AWX+T
- Part No.:
- TMC5272AWX+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Motor Drivers, Controllers
- Package:
- 36-WFBGA, WLBGA
- Datasheet:
-
TMC5272AWX+T.pdf
- Description:
- TM06 - SMART MINIATURIZED DOUBLE
- Quantity:
- Payment:
- Shipping:
Inventory:1,970
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Product details
Overview
TMC5272AWX+T from Analog Devices is a dual-axis smart stepper motor controller and driver IC with integrated 20V H-bridges, StealthChop2™ silent operation, 256-microstep indexing, and lossless current sensing. It delivers 0.8ARMS per axis at 2.1–20V supply, supports SPI/UART interfaces, and targets space-constrained motion systems such as lens focus actuators and lab automation.
For engineers reviewing the TMC5272AWX+T datasheet, TMC5272AWX+T pinout, TMC5272AWX+T application, or TMC5272AWX+T equivalent, key selection criteria include dual-axis microstepping resolution, integrated current sensing without external shunts, StallGuard4™ load detection, CoolStep® energy savings, and WLCSP package compatibility with high-density PCB layouts.
Technical Context
The TMC5272AWX+T integrates two independent 8-point ramp generators with jerk reduction for smooth positioning, plus dual StealthChop2/SpreadCycle chopper modes enabling silent or highly dynamic motor control. Its TriCoder™ sensorless standstill steploss detection operates without encoder feedback.
It features two quadrature encoder interfaces, two reference switch inputs, and automatic 2D-line trajectory interpolation between axes. Motor phase and chip temperature are measured on-chip, and diagnostics include open-load flags, overcurrent protection, thermal shutdown, and undervoltage lockout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.1V to 20V DC - enables direct battery or wide-input industrial rail operation without external regulators. |
| Output Current (RMS) | 0.8ARMS per H-bridge - supports continuous torque delivery in compact optical or medical actuators. |
| Peak Output Current | 1.5AMAX per H-bridge - limited by internal overcurrent protection, suitable for short acceleration bursts. |
| Total RDS(ON) | 0.31Ω typical (HS + LS) - minimizes conduction loss and heat generation in 2.97mm × 3.13mm WLCSP package. |
| Microstepping Resolution | 256 microsteps per full step - enables sub-micron positioning precision in lens control and pipetting systems. |
| Integrated Sensing | Non-dissipative ICS - eliminates external sense resistors, saving PCB area and power dissipation. |
| Control Interfaces | SPI and single-wire UART - supports daisy-chained multi-node configurations and minimal pin-count host integration. |
Pinout & Package
Package: 36-pin Wafer-Level Chip-Scale Package (WLCSP), 2.97mm × 3.13mm, 0.4mm pitch, bottom-side solder balls.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | 2.1–20V main supply for logic and driver stages; requires local decoupling. |
| GND | Ground reference | Common return for analog/digital/power domains; must be low-impedance plane. |
| VMOT | Motor supply input | Connects to motor rail; separate from VDD to isolate noise-sensitive logic. |
| OUT1A–OUT2B | H-bridge motor outputs | Eight terminals (4 per axis) driving bipolar stepper coils; rated for 20V, 1.5A peak. |
| REF1/REF2 | Reference switch inputs | Digital inputs for homing or limit detection; support internal pull-up and debounce. |
| ENC_A1/ENC_B1/ENC_A2/ENC_B2 | Quadrature encoder inputs | Two independent ABN interfaces for closed-loop position verification per axis. |
| SPI_CLK/SPI_MOSI/SPI_MISO/SPI_CS | SPI interface signals | Full-duplex 4-wire SPI up to 10 MHz; supports register read/write and status polling. |
| UART | Single-wire UART interface | Half-duplex asynchronous communication; enables daisy-chain or ring topology. |
| STEP/DIR | External step/direction interface | Legacy mode support with MicroPlyer™ interpolation for higher effective step resolution. |
| IRQ | Interrupt request output | Open-drain flag signaling events: stall, overtemperature, overcurrent, or motion completion. |
Key Features
| Feature | Design Value |
|---|---|
| StealthChop2™ | Enables truly silent motor operation below audible range while maintaining torque linearity and efficiency. |
| CoolStep® | Reduces motor current up to 75% during standstill or low-load conditions, cutting power consumption and heat. |
| StallGuard4™ | Provides four-level sensorless load detection for precise stall identification without external sensors or encoders. |
| TriCoder™ | Back-EMF-based steploss detection at standstill - verifies motor position integrity without moving the shaft. |
| Automatic 2D interpolation | Generates synchronized linear motion across both axes using internal trajectory calculation, eliminating host CPU overhead. |
Applications
| Lens Focus Control | Lab Automation Actuators |
|---|---|
Use Scenario: Precision autofocus and zoom actuation in compact camera modules and endoscopic imaging systems. IC Role / Device Role / Timing Role: Dual-axis controller executing coordinated microstepped motion with real-time load monitoring via StallGuard4™. Use Value: Eliminates audible coil whine (StealthChop2™), reduces power draw during standby (CoolStep®), and ensures positional integrity without encoder hardware (TriCoder™). | Use Scenario: Positioning of pipette tips, syringe drivers, and sample stage translators in automated liquid handling platforms. IC Role / Device Role / Timing Role: Integrated indexer and driver managing acceleration/deceleration profiles with jerk limitation for vibration-sensitive operations. Use Value: 256-microstep resolution enables <1µm repeatability; lossless current sensing removes shunt resistor footprint and thermal drift errors. |
| Surveillance Pan/Tilt Systems | Insulin Pump Mechanisms |
Use Scenario: Smooth, quiet, and reliable pan/tilt movement in compact CCTV dome cameras with limited thermal headroom. IC Role / Device Role / Timing Role: Dual-axis motion controller with SpreadCycle™ for high-torque dynamic response and passive braking for rapid stop. Use Value: 0.31Ω RDS(ON) minimizes self-heating; WLCSP package allows direct mounting under optics or within sealed housings. | Use Scenario: Accurate, low-noise dosing control in wearable insulin pumps where acoustic signature and power efficiency are critical. IC Role / Device Role / Timing Role: Stepper driver with automatic standstill current reduction and sensorless stall detection for occlusion safety. Use Value: CoolStep® cuts quiescent power >70%; TriCoder™ confirms motor alignment before dose delivery without added BOM cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-axis stepper controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMC5160-TA | Single-axis, 60V max, no integrated current sensing - requires external shunts; larger QFN-48 package. | Higher voltage capability but lacks dual-axis coordination and TriCoder™ standstill verification. | Choose when motor supply exceeds 20V or board space permits larger package and external sensing. |
| DRV8886ATRGER | Single-axis, 45V max, no motion controller - requires external MCU for ramp generation and interpolation. | No integrated indexer, encoder interface, or sensorless stall detection; relies on host processor for motion profile execution. | Choose when system already includes a capable motion-control MCU and needs only driver-stage integration. |
Compared with TMC5160-TA and DRV8886ATRGER, the TMC5272AWX+T uniquely combines dual-axis microstepping, on-chip current sensing, and sensorless position integrity verification in a 2.97mm × 3.13mm WLCSP - delivering highest functional integration for miniaturized motion systems.
Availability
TMC5272AWX+T is available at Aetrix Electronics and suitable for lens control, lab automation, surveillance pan/tilt, and wearable medical devices requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for TMC5272AWX+T 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
Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies.
The TMC5272AWX+T belongs to the Trinamic™ motion control product line, designed specifically for ultra-compact, intelligent stepper motor systems demanding silent operation, energy efficiency, and sensorless diagnostics in space- and power-constrained applications.
FAQ
What is the maximum motor supply voltage supported by the TMC5272AWX+T?
The TMC5272AWX+T supports a motor supply voltage (VMOT) up to 20V DC. This rating is specified in the Absolute Maximum Ratings table and validated across temperature and process corners. Operation above 20V risks permanent damage to the integrated H-bridges. The logic supply (VDD) operates independently from 2.1V to 5.5V, allowing flexible host interface voltage selection.
Does the TMC5272AWX+T require external current sense resistors?
No, the TMC5272AWX+T does not require external current sense resistors. It implements fully integrated, non-dissipative current sensing (ICS) using internal MOSFET channel resistance measurement. This eliminates PCB area, thermal drift, and power loss associated with shunt resistors - a key enabler for its 2.97mm × 3.13mm WLCSP footprint and efficiency in battery-powered devices like the TMC5272AWX+T.
How does StealthChop2™ differ from SpreadCycle™ in the TMC5272AWX+T?
StealthChop2™ uses frequency-modulated PWM to eliminate audible motor noise while maintaining torque linearity, ideal for quiet environments like medical or consumer optics. SpreadCycle™ employs adaptive blank time and fast decay for maximum dynamic torque and responsiveness - suited for high-acceleration tasks. Both modes are independently configurable per axis in the TMC5272AWX+T.
Can the TMC5272AWX+T operate without an external crystal or oscillator?
Yes, the TMC5272AWX+T includes a factory-trimmed internal oscillator (typ. 12MHz) sufficient for all timing-critical functions including chopper operation, current regulation, and UART/SPI communication. An external clock (1–16MHz) may be used for tighter frequency accuracy, but is optional. The internal oscillator enables immediate operation of the TMC5272AWX+T without additional components.
What diagnostic capabilities does the TMC5272AWX+T provide for motor health monitoring?
The TMC5272AWX+T provides StallGuard4™ for four-level load measurement, TriCoder™ for sensorless standstill steploss detection, open-load diagnostics per coil, overcurrent and thermal shutdown flags, and undervoltage lockout. All diagnostics are accessible via SPI/UART registers and can trigger the IRQ pin - enabling predictive maintenance and safety-critical fault response in applications using the TMC5272AWX+T.
TMC5272AWX+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 36-WFBGA, WLBGA
- 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, UART
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- 800mA
- Voltage - Supply:
- 2.1V ~ 20V
- Voltage - Load:
- 2.1V ~ 20V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-WLP (2.97x3.13)
TMC5272AWX+T FAQ
1.How can I place an order for TMC5272AWX+T through Aetrix?
Please submit a Request for Quotation (RFQ) for TMC5272AWX+T 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 TMC5272AWX+T reliable?
The price and inventory of TMC5272AWX+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMC5272AWX+T is usually 5 days.
3.What payment methods are accepted for TMC5272AWX+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMC5272AWX+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMC5272AWX+T?
TMC5272AWX+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMC5272AWX+T 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 TMC5272AWX+T?
For technical support, including TMC5272AWX+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMC5272AWX+T requirements.
6.How does Aetrix verify that TMC5272AWX+T is sourced from the original manufacturer or authorized distributors?
All TMC5272AWX+T 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 TMC5272AWX+T meets industry standards.
7.What is the process for return or replacement of TMC5272AWX+T?
All TMC5272AWX+T units undergo pre-shipment inspection (PSI). If there is an issue with TMC5272AWX+T, 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 TMC5272AWX+T part is unused and in its original packaging.
Return procedure for TMC5272AWX+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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