Can I use these drivers interchangeably in my application?

While both drivers offer advanced features, differences in motor current ratings and additional features like stall detection might influence your choice. Ensure compatibility with your specific motor and application requirements before selecting one over the other.

What are the common applications for these drivers?

Both drivers are used in 3D printers, CNC machines, robotic arms, and various motion control systems requiring precise and quiet stepper motor control.

When should I use the TMC2226 or TMC2209 in a stepper motor application?

Choose the TMC2226 for applications requiring higher motor currents and superior stall detection capabilities. Opt for the TMC2209 for applications where lower to moderate motor currents are sufficient and sensorless homing/stall detection is needed.

This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

TMC2226 vs TMC2209: What are Differences

Published: Dec 08, 2023

TMC2226 vs TMC2209: Overview

The TMC2226 and TMC2209 are advanced motor driver ICs for two-phase stepper motors. Both offer silent operation, precise motion control, and protective features, but the TMC2226 emphasizes noise-free functionality and optimized efficiency, while the TMC2209 focuses on compatibility, quietness, and robust protective capabilities.

TMC2226

The TMC2226, designed for two-phase stepper motors, utilizes TRINAMIC's StealthChop2 technology for noiseless operation, optimal efficiency, and maximum torque. It provides rapid current regulation, optional SpreadCycle integration, and StallGuard for sensorless homing. Featuring built-in power MOSFETs managing up to 2A RMS, it ensures protection and diagnostics. Its user-friendly UART interface enables easy tuning and application storage in OTP memory. Positioned as a leading STEP/DIR stepper motor driver, it delivers silent precision, making it a cost-effective, competitive solution.

TMC2226

TMC2209

The TMC2209 is a low-noise motor driver designed for two-phase stepper motors, featuring pinning akin to legacy drivers like the TMC2208 for improved compatibility. Utilizing TRINAMIC's StealthChop2 technology, it ensures quiet, efficient, and high-torque operation. Its rapid current regulation and optional SpreadCycle integration enable dynamic motion capabilities.

Incorporating StallGuard for sensorless homing, it handles motor currents up to 2A RMS, supported by protective and diagnostic features. The UART interface simplifies tuning and control, allowing storage of application settings in OTP memory. Positioned as a leading STEP/DIR stepper motor driver, it offers silent, precise, and cost-effective solutions.

TMC2209

TMC2226 vs TMC2209: Pinout

TMC2226 Pinout

Pin Configuration

Pin Number	Type	Function
OB1	1	Motor coil B output 1
BRB	2	Sense resistor connection for coil B. Place the sense resistor to GND near the pin. Tie to GND when using the internal sense resistor.
VS	3, 26	Motor supply voltage. Provide filtering capacity near the pin with the shortest possible loop to the GND pad.
OB2	4	Motor coil B output 2
ENN	5	DI Enable not input. The power stage becomes switched off (all motor outputs floating) when this pin becomes driven to a high level.
GND	6, 22	GND. Connect to the GND plane near the pin.
CPO	7	Charge pump capacitor output.
CPI	8	Charge pump capacitor input. Tie to CPO using a 22nF 50V capacitor.
VCP	9	Charge pump voltage. Tie to VS using a 100nF capacitor.
SPREAD	10	DI (pd) Chopper mode selection: Low=StealthChop, High=SpreadCycle (may be left unconnected)
5VOUT	11	Output of internal 5V regulator. Attach a 2.2µF to 4.7µF ceramic capacitor to GND near the pin for best performance. Provide the shortest possible loop to the GND pad.
MS1_AD0	12	DI (pd) Microstep resolution configuration (internal pull-down resistors). MS2, MS1: 00: 1/8, 01: 1/32, 10: 1/64, 11: 1/16. For UART based configuration selection of UART Address 0…3 MS2_AD1
DIAG	15	DO Diagnostic and StallGuard output. High level upon stall detection or driver error. Reset error condition by ENN=high.
INDEX	16	DO Configurable index output. Provides an index pulse.
CLK	17	DI CLK input. Tie to GND using a short wire for internal clock or supply an external clock.
PDN_UART	18	DIO Power down not control input (low = automatic standstill current reduction). Optional UART Input/Output. Power down function can be disabled in UART mode.
VCC_IO	19	3.3V to 5V IO supply voltage for all digital pins (does not supply IC logic part).
STEP	20	DI STEP input
VREF	21	AI Analog reference voltage for current scaling or reference current for use of internal sense resistors (optional mode).
DIR	23	DI (pd) DIR input (internal pull-down resistor).
STDBY	24	DI (pd) STANDBY input. Pull up to disable the driver internal supply regulator. This will bring the driver into a low power dissipation state. 100kOhm pulldown. (may be left unconnected). Hint: Also shut down VREF voltage and ENN to 0V during standby.
OA2	25	Motor coil A output 2
BRA	27	Sense resistor connection for coil A. Place the sense resistor to GND near the pin. Tie to GND when using the internal sense resistor.
OA1	28	Motor coil A output 1
-	13	Unused. May be connected to GND for better PCB routing.
Exposed die pad	-	Connect the exposed die pad to a GND plane. Provide as many vias as possible for heat transfer to the GND plane. Serves as the GND pin for power drivers and analogue circuitry.

TMC2209 Pinout

Pin Configuration

Pin Number	Type	Function
OB2	1	Motor coil B output 2
ENN	2	DI Enable not input. The power stage becomes switched off (all motor outputs floating) when this pin becomes driven to a high level.
GND	3, 18	GND. Connect to GND plane near pin.
CPO	4	Charge pump capacitor output.
CPI	5	Charge pump capacitor input. Tie to CPO using a 22nF 50V capacitor.
VCP	6	Charge pump voltage. Tie to VS using a 100nF capacitor.
SPREAD	7	DI (pd) Chopper mode selection: Low=StealthChop, High=SpreadCycle (may be left unconnected)
5VOUT	8	Output of internal 5V regulator. Attach a 2.2µF to 4.7µF ceramic capacitor to GND near the pin for best performance. Provide the shortest possible loop to the GND pad.
MS1_AD0	9	DI (pd) Microstep resolution configuration (internal pull-down resistors). MS2, MS1: 00: 1/8, 01: 1/32, 10: 1/64, 11: 1/16. For UART based configuration selection of UART Address 0…3 MS2_AD1
DIAG	11	DO Diagnostic and StallGuard output. High level upon stall detection or driver error. Reset error condition by ENN=high.
INDEX	12	DO Configurable index output. Provides index pulse.
CLK	13	DI CLK input. Tie to GND using a short wire for internal clock or supply external clock.
PDN_UART	14	DIO Power down not control input (low = automatic standstill current reduction). Optional UART Input/Output. Power down function can be disabled in UART mode.
VCC_IO	15	3.3V to 5V IO supply voltage for all digital pins (does not supply IC logic part).
STEP	16	DI STEP input
VREF	17	AI Analog reference voltage for current scaling or reference current for use of internal sense resistors (optional mode).
DIR	19	DI (pd) DIR input (internal pull-down resistor).
STDBY	20	DI (pd) STANDBY input. Pull up to disable driver internal supply regulator. This will bring the driver into a low power dissipation state. 100kOhm pulldown. (may be left unconnected). Hint: Also shut down VREF voltage and ENN to 0V during standby.
VS	22, 28	Motor supply voltage. Provide filtering capacity near the pin with the shortest possible loop to the GND pad.
OA2	21	Motor coil A output 2
BRA	23	Sense resistor connection for coil A. Place the sense resistor to GND near the pin. Tie to GND when using the internal sense resistor.
OA1	24	Motor coil A output 1
-	25	Unused. May be connected to GND for better PCB routing.
OB1	26	Motor coil B output 1
BRB	27	Sense resistor connection for coil B. Place the sense resistor to GND near the pin. Tie to GND when using the internal sense resistor.
Exposed die pad	-	Connect the exposed die pad to a GND plane. Provide as many vias as possible for heat transfer to the GND plane. Serves as the GND pin for power drivers and analogue circuitry.

TMC2226 vs TMC2209: Specifications

TMC2226 Specifications

Manufacturer: Analog Devices Inc.
Motor Type - Stepper: Bipolar
Motor Type - AC, DC: N/A
Function: Integrated Driver - Control and Power Stages Combined
Output Configuration: Step/Direction
Interface: Step/Direction, UART
Technology: Power MOSFET
Step Resolution: 1 to 1/256 microstepping
Applications: General Purpose
Current - Output: Up to 2A
Voltage - Supply: 3.3V to 5V
Voltage - Load: 4.75V to 29V
Operating Temperature: -40°C to 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 28-TSSOP

TMC2209 Specifications

Manufacturer: Analog Devices Inc.
Product: Stepper Motor Controllers / Drivers
Type: 2-Phase
Operating Supply Voltage: 4.6V to 5.25V
Output Current: 2.8A
Operating Supply Current: 7.5mA
Minimum Operating Temperature: -40°C
Maximum Operating Temperature: +125°C
Mounting Style: Surface Mount (SMD/SMT)
Package / Case: QFN-28
Brand: ADI Trinamic
Development Kit: TMC2209-EVAL
Load Voltage Rating: 6V to 29V
Operating Frequency: 12MHz
Power Dissipation (Pd): 1.4W

TMC2226 vs TMC2209: Features

TMC2226 Features

Support for 2-phase stepper motors with up to 2.8A peak coil current (2A RMS)
STEP/DIR Interface accommodating 8, 16, 32, or 64 microstep pin configurations
Smooth operation with 256 microsteps using MicroPlyer™ interpolation
StealthChop2™ technology for silent motor operation
SpreadCycle™ offering highly dynamic motor control
StallGuard4™ enabling load and stall detection in StealthChop mode
CoolStep™ for current control and up to 75% energy savings
Low RDSon with LS and HS at 170mΩ (typical at 25°C)
Operating voltage range: 4.75V to 29V DC
Low Power Standby mode adhering to standby energy regulations
Option for internal sense resistor, eliminating the need for external resistors
Passive Braking, Freewheeling, and automatic power down features
Single Wire UART & OTP for advanced configuration capabilities
Integrated Pulse Generator enabling standalone motion
Full suite of Protection & Diagnostics
Thermally optimized HTSSOP package for enhanced optical inspection

TMC2209 Features and benefits

Compatible with 2-phase stepper motors, supporting up to 2.8A peak coil current (2A RMS)
STEP/DIR Interface offering 8, 16, 32, or 64 microstep pin settings
Smooth operation enabled by 256 microsteps using MicroPlyer™ interpolation
StealthChop2™ ensuring silent motor operation
SpreadCycle™ providing highly dynamic motor control
StallGuard4™ facilitating load and stall detection for StealthChop mode
CoolStep™ feature for current control, allowing up to 75% energy savings
Operating voltage range of 4.75V to 29V DC
Low RDSon with LS and HS at 170mΩ (typical at 25°C), minimizing heat generation
Low Power Standby mode complying with standby energy regulations
Option for an internal sense resistor, eliminating the need for external resistors
Features such as Passive Braking, Freewheeling, and automatic power down
Single Wire UART & OTP providing advanced configuration capabilities
Integrated Pulse Generator enabling standalone motion
Complete suite of Protection & Diagnostics
Compact QFN package design with a large heat slug for optimized thermal management.

TMC2226 vs TMC2209: Application and Block Diagram

TMC2226 and TMC2209, being part of the TMC22xx series, share identical application, block diagrams, and basic application block diagrams.

Application

Compatible Design Upgrade
3D Printers
Printers, POS
Office and home automation
Textile, Sewing Machines
CCTV, Security
ATM, Cash recycler
HVAC
Battery Operated Equipment

BLOCK DIAGRAM

BLOCK DIAGRAM

Basic application block diagram

Basic application block diagram

TMC2226 vs TMC2209: Package

TMC2226 Package

TMC2209 Package

TMC2209 package

TMC2226 vs TMC2209: Similarities and Differences

Both the TMC2226 and TMC2209 share a robust set of features suitable for driving stepper motors. The key differences lie in their operating voltage, temperature range, and package design, catering to different application needs and mounting preferences. Here's a comparison between the TMC2226 and TMC2209 stepper motor driver ICs:

Similarities:

Motor Compatibility: Both support 2-phase stepper motors with up to 2.8A coil current (peak), 2A RMS.
Step/Direction Interface: They utilize the STEP/DIR interface with various microstep settings (8, 16, 32, or 64).
Microstepping: They offer smooth operation with up to 256 microsteps via MicroPlyer™ interpolation.
StealthChop2™ Technology: Ensures silent motor operation.
SpreadCycle™ Control: Provides highly dynamic motor control.
Stall Detection: Both integrate StallGuard4™ for load and stall detection in StealthChop mode.
CoolStep™ Control: Enables current control for energy savings (up to 75%).
Voltage Range: Operate within a voltage range of 4.75V to 29V DC.
Low RDSon and Heat-Up: Feature low RDSon with optimized heat dissipation.
Standby Power Modes: Support low power standby modes to comply with energy regulations.
UART & OTP Configuration: Offer single-wire UART and OTP for advanced configuration.
Integrated Pulse Generator: Enable standalone motion with an integrated pulse generator.
Protection & Diagnostics: Both come with comprehensive protection and diagnostic features.
Internal Sense Resistor Option: Allow an internal sense resistor option without the need for external resistors.
Power Down Features: Support passive braking, freewheeling, and automatic power down.

Main Differences:

Operating Voltage: TMC2226 operates within a voltage range of 3.3V to 5V, while TMC2209 operates between 4.6V to 5.25V.
Operating Temperature: TMC2226's operating temperature spans -40°C to 125°C, whereas TMC2209 operates from -40°C to +125°C.
Mounting Style & Package: TMC2226 comes in a 28-TSSOP package, whereas TMC2209 is available in a QFN-28 package.
Package Design: TMC2226 features a thermally optimized HTSSOP package for optical inspection, while TMC2209 has a compact QFN package with a large heat slug.

Manufacturer

Both the TMC2226 and TMC2209 stepper motor driver ICs were originally developed and manufactured by Trinamic, a company specialized in motion control and motor drive technologies. Trinamic was acquired by Analog Devices Inc. in 2021. Therefore, while Trinamic was the original developer and manufacturer, Analog Devices Inc. oversees these products post-acquisition.

Analog Devices Inc. (ADI) is a multinational semiconductor company known for its comprehensive range of analog, mixed-signal, and digital signal processing technologies. ADI specializes in providing high-performance solutions for a wide array of industries, including automotive, communications, healthcare, industrial, and consumer electronics. They offer a diverse portfolio of products, including data converters, amplifiers, sensors, processors, and power management components, catering to various applications requiring precision and reliability in signal processing and control.

Datasheet PDF

TMC2226 Datasheet PDF>>

TMC2209 Datasheet PDF>>

Further Reading: TMC5160 vs TMC2209: What are Differences 2023>>

Next Industry Focus

Finfet vs Mosfet: What are Differences

Update Time: Mar 01, 2024 Consumer Electronics

Continue Reading →

FAQ

Can I use these drivers interchangeably in my application?
While both drivers offer advanced features, differences in motor current ratings and additional features like stall detection might influence your choice. Ensure compatibility with your specific motor and application requirements before selecting one over the other.

What are the common applications for these drivers?
Both drivers are used in 3D printers, CNC machines, robotic arms, and various motion control systems requiring precise and quiet stepper motor control.

When should I use the TMC2226 or TMC2209 in a stepper motor application?
Choose the TMC2226 for applications requiring higher motor currents and superior stall detection capabilities. Opt for the TMC2209 for applications where lower to moderate motor currents are sufficient and sensorless homing/stall detection is needed.

TMC2226 vs TMC2209: What are Differences

Contents