Mikroelektronika d.o.o.
Multi-Stepper TB67S261 Click-Platine
Multi-Stepper TB67S261 Click-Platine
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Das Multi Stepper TC67S261 Click Board™ ist eine kompakte Zusatzplatine, die einen bipolaren Schrittmotortreiber enthält. Diese Platine verfügt über den TB67S261FTG, einen PHASE-in-gesteuerten bipolaren Schrittmotortreiber von Toshiba Semiconductor. Es unterstützt einen PWM-Konstantstrom-Steuerantrieb und Voll-, Halb- und Viertelschrittbetrieb für weniger Motorgeräusche und eine sanftere Steuerung. Es verfügt über einen großen Betriebsspannungsbereich von 10 V bis 47 V mit einer Ausgangsstromkapazität von 1,4 A sowie über mehrere integrierte Fehlererkennungsschaltungen. Dieses Click Board™ ist die perfekte Lösung für Schrittmotoren in verschiedenen Anwendungen wie Büroautomatisierung, gewerblichen und industriellen Geräten.
Das Multi Stepper TC67S261 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ ist ein gründlich getestetes Produkt und kann auf einem System verwendet werden, das mit der mikroBUS™-Buchse ausgestattet ist.
How Does The Multi Stepper TB67S261 Click Board™ Work?
The Multi Stepper TB67S261 Click Board™ is based on the TB67S261FTG, a two-phase bipolar stepping motor driver using a PWM chopper (customized by external resistance R2 and capacitor C1) from Toshiba Semiconductor. The TB67S261FTG incorporates a low on-resistance MOSFET output stage, which can deliver a 1.4A current with a motor output voltage rating of 47V, in addition to integrated protection mechanisms such as over-current and over-temperature detection. In addition, it supports full-, half-, and quarter-step resolution, with the help of which motor noise can be significantly reduced with smoother operation and more precise control.
As mentioned in the product description, this stepping motor driver is PHASE-in controlled. These control signals are provided through the PCA9555A port expander, which establishes communication with the MCU via the I2C serial interface. This Click board™ also allows a connection of external control signals on the onboard header J1 on pins labelled as P1 and P2 for the device's PHASE-in control. The PCA9555A also allows choosing the least significant bit (LSB) of its I2C slave address by positioning SMD jumpers labelled as ADDR SEL to an appropriate position marked as 0 and 1.
In addition to PHASE signals, four A/B channel logic signals, INA1, INB1, INB2, and INA2, are used to control the motor, adjusting the desired step resolution. The first three signals are controlled by AN, CLK, and EN pins of the mikroBUS™ socket. The INA2 signal provides the possibility of dual control selected by positioning SMD jumper labelled as JP5 to an appropriate position marked as P6 or INT, which choose control via expander or INT pin of the mikroBUS™ socket. In the case of the selected INT position of the JP5 jumper, the JP10 jumper needs to be unpopulated.
Also, the Multi Stepper TB67S261 Click Board™ has a Standby function routed to the RST pin of the mikroBUS™ socket used to switch to Standby mode by setting all motor control pins to a low logic state. When the Standby mode is active, the TB67S261FTG stops supplying the power to the internal oscillating circuit and motor output part (the motor drive cannot be performed). This Click board™ also has an additional LED for anomaly indication, but since this version of the stepper driver does not support this feature, this indicator cannot be used.
The motor A/B channel current output value can be set manually using an onboard trimmer labelled as VR1, which sets the reference voltage from 0V to 3.3V. The default configuration of the JP4 jumper is the VREF position that sets both channels' output current via the VR1 trimmer. In this case, avoid position P4 on a jumper JP4 since the VREFA pin requires an analog signal for setting.
The Multi Stepper TB67S261 Click Board™ supports an external power supply for the TB67S261FTG, which can be connected to the input terminal labelled as VM and should be within the range of 10V to 47V, while the stepper motor coils can be connected to the terminals labelled as B+, B-, A-, and A+.
The Multi Stepper TB67S261 Click Board™ can operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Stepper |
| Applications | Can be used for stepping motors in various applications such as office automation, commercial, and industrial equipment |
| On-board modules | TB67S261FTG - PHASE-in controlled bipolar stepping motor driver from Toshiba Semiconductor |
| Key Features | Low power consumption, capable of controlling 1 bipolar stepping motor, full/half/quarter-step resolution, integrated error detection circuits, and more |
| Interface | GPIO,I2C |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
| Input Voltage | External,3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout of the Multi Stepper TB67S261 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| A-Channel Control 1 | AN | 1 | AN | PWM | 16 | CLK | B-Channel Control 1 |
| Standby Control | RST | 2 | RST | INT | 15 | INT | Interrupt / A-Channel Control 2 |
| B-Channel Control 2 | EN | 3 | CS | RX | 14 | NC | |
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C Clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C Data | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| LD2 | DIAG | - | LED for anomaly indication is not supported on this MCD version |
| JP1-JP2 | ADDR SEL | Left | I2C Address Selection 0/1: Left position 0, Right position 1 |
| JP3 | VCC SEL | Left | Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V |
| JP4 | JP4 | Left | A-Channel Current Reference Selection VREF/P4: Left position VREF, Right position P4 |
| JP5 | JP5 | Right | A-Channel Logic Control Selection P6/INT: Left position P6, Right position INT |
| JP10 | JP10 | Unpopulated | Not supported in this MCD version |
| J1 | J1 | Unpopulated | External PHASE Signals Connection Header |
| VR1 | VR1 | - | Current Threshold Trimmer |
| TP1 | VREF | - | Voltage Reference Testpoint |
| TP2 | OSCM | - | Oscillating Circuit Crequency Testpoint |
| TP3 | GND | - | Ground Testpoint |
MULTI STEPPER CLICK - TB67S261 ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage VCC | 3.3 | - | 5 | V |
| External Supply Voltage VM | 10 | 24 | 47 | V |
| Motor Output Current | - | 1.4 | - | A |
| Motor Output Voltage | 10 | - | 47 | V |
| Operating Temperature Range | -20 | +25 | +85 | °C |
Software Support
We provide a library for the Multi Stepper TB67S261 Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on the MikroE Github account.
Library Description
This library contains API for the Multi Stepper TB67S261 Click Board™ driver.
Key functions
-
multisteppertb67s261_set_step_modeThis function sets the step mode resolution settings in ctx->step_mode. -
multisteppertb67s261_drive_motorThis function drives the motor for the specific number of steps at the selected speed. -
multisteppertb67s261_set_directionThis function sets the motor direction to clockwise or counter-clockwise in ctx->direction.
Example Description
This example demonstrates the use of the Multi Stepper TB67S261 Click Board™ by driving the motor in both directions for a desired number of steps.
void application_task ( void )
{
multisteppertb67s261_set_direction ( &multisteppertb67s261, MULTISTEPPERTB67S261_DIR_CW );
if ( MULTISTEPPERTB67S261_OK == multisteppertb67s261_drive_motor ( &multisteppertb67s261, 200,
MULTISTEPPERTB67S261_SPEED_FAST ) )
{
log_printf ( &logger, " Move 200 steps clockwise rnn" );
Delay_ms ( 2000 );
}
multisteppertb67s261_set_direction ( &multisteppertb67s261, MULTISTEPPERTB67S261_DIR_CCW );
if ( MULTISTEPPERTB67S261_OK == multisteppertb67s261_drive_motor ( &multisteppertb67s261, 100,
MULTISTEPPERTB67S261_SPEED_FAST ) )
{
log_printf ( &logger, " Move 100 steps counter-clockwise rnn" );
Delay_ms ( 2000 );
}
}
The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.MultiStepperTB67S261
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The Multi Stepper TB67S261 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
Multi-Stepper TB67S261 Click-Platine
Frequently Asked Questions
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