Mikroelektronika d.o.o.
Treiber 2 Click-Platine
Treiber 2 Click-Platine
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Das Driver 2 Click Board™ ist eine kompakte Zusatzplatine, die einen Gate-Treiber mit Pegelverschiebungstechnologie und zusätzlicher Abschaltfunktion enthält. Diese Platine verfügt über den IR2104S, einen Hochspannungs-, Hochgeschwindigkeits-Leistungs-MOSFET- und IGBT-Treiber mit typischen 0,21 A Quell- und 0,36 A Senkenströmen und unabhängigen hoch- und niederspannungsseitigen Ausgangskanälen von Infineon Technologies. Es besteht aus einem Pegelwandler in Kombination mit einem Leistungsverstärker, der einen Niederstromeingang akzeptiert, der mit Standard-CMOS- oder LSTTL-Ausgängen kompatibel ist, und einen Hochstrom-Antriebseingang für das Gate eines Hochleistungstransistors erzeugt. Dieses Click Board™ ist für jede Anwendung geeignet, von der DC-DC-Stromversorgung für hohe Leistungsdichte und Effizienz bis hin zu einer Vielzahl von Motoranwendungen.
Das Driver 2 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ wird als vollständig getestetes Produkt geliefert und ist bereit für den Einsatz auf einem System, das mit der mikroBUS™-Buchse ausgestattet ist.
How Does The Driver 2 Click Board™ Work?
The Driver 2 Click Board™ is based on the IR2104S, a high-voltage, high-speed power MOSFET and IGBT driver with typical 0.21A source and 0.36A sink currents and independent high and low side referenced output channels from Infineon Technologies. A gate driver IR2104S represents a power amplifier that accepts a low-power input from a controller IC and produces a high-current drive input for the gate of a high-power transistor such as a power MOSFET. In essence, it consists of a level shifter in combination with an amplifier. It has many applications, ranging from the DC-DC power supply for high power density and efficiency up to a wide range of motor applications such as home appliances, industrial drives, DC brushed and brushless motors, and more.
The Driver 2 Click Board™ has a logic input compatible with standard CMOS or LSTTL outputs, down to 3.3V logic, and features the additional Shutdown function. The output drivers feature a high pulse current buffer stage designed for minimum driver cross-conduction. It also possesses precision voltage comparator the LM393, with an input offset voltage specifications as low as 2.0 mV built to permit a common-mode range–to–ground level with single supply operation from STMicroelectronics. In combination with the INT pin, with the help of this comparator, we can get feedback in case of exceeding the maximum current value on the LOAD terminal (over-current detection).
The Driver 2 Click Board™ operates with the PWM signal that drives the input IN pin of the IR2104S and communicates with MCU with two other pins routed on the INT and CS pins of the mikroBUS™ socket labeled as FB and SD. This Click board™ possesses 3 connectors, where one of them represents an external power supply labeled as VIN in the range from 12 to 45V. The next one is the gate driver power supply terminal with a fixed voltage value of 12V, and the last terminal labeled as LOAD is a terminal that can supply the load with maximum current up to 10A.
Additional functionality, as mentioned before, are two pins routed on the CS and INT pins of the mikroBUS™ socket. A signal on the CS pin labeled as SD represents Shutdown function able to turns off both channels of the IR2104S, whiles another pin, INT, marked as the FB is an indication, more accurately an interrupt, to the MCU if the maximum value of the output current is exceeded.
The Driver 2 Click Board™ is designed to be operated only with a 5V logic voltage level. A proper logic voltage level conversion should be performed before the Click board™ is used with MCUs with different logic levels. However, the Click board™ comes equipped with a library that contains easy to use functions and an example code that can be used as a reference for further development.
SPECIFICATIONS
| Type | Brushed |
| Applications | Can be used for many applications, ranging from the DC-DC power supply for high power density and efficiency up to a wide range of motor applications such as home appliances, industrial drives, DC brushed and brushless motors, and more. |
| On-board modules | The Driver 2 Click Board™ is based on the IR2104, a high-voltage, high-speed power MOSFET and IGBT driver with typical 0.21A source and 0.36A sink currents and independent high and low side referenced output channels from Infineon Technologies. |
| Key Features | Low power consumption, high precission |
| Interface | PWM,GPIO |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
| Input Voltage | 5V,External |
PINOUT DIAGRAM
This table shows how the pinout on Driver 2 Click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | PWM | PWM Signal | |
| NC | 2 | RST | INT | 15 | FB | Feedback | |
| Shutdown | SD | 3 | CS | RX | 14 | NC | |
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | NC | ||
| NC | 6 | MOSI | SDA | 11 | NC | ||
| NC | 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 |
DRIVER 2 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 10 | 12 | 20 | V |
| High-Side Gate Drive Supply Voltage (VIN) | 12 | - | 45 | V |
| Maximum Output Current | - | - | 10 | A |
| Output Current (Sink) | - | 0.36 | - | A |
| Output Current (Source) | - | 0.21 | - | V |
| Operating Temperature Range | -40 | - | +125 | °C |
Software Support
We provide a library for the Driver 2 Click Board™ on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Library Description
The library contains a basic functions for using Driver 2 click.
Key Functions
void driver2_set_sd_pin ( uint8_t state )- Set SD pinvoid driver2_set_pwm_pin ( uint8_t state )- Set PWM pinuint8_t driver2_get_fb_pin ( void )- Get FB pin
Example Description
The application is composed of three sections :
- System Initialization - Initializes GPIO pins.
- Application Initialization - Initializes driver module and sets pwm.
- Application Task - Change the PWM duty cycle every 100ms
void application_task ( )
{
for ( duty_cycle = 0; duty_cycle < pwm_period; duty_cycle += 25 )
{
driver2_pwm_set_duty( duty_cycle );
Delay_ms( 100 );
}
for ( duty_cycle = pwm_period; duty_cycle <= 0; duty_cycle -= 25 )
{
driver2_pwm_set_duty( duty_cycle );
Delay_ms( 100 );
}
}
The full application code, and ready to use projects can be found on our LibStock page.
Other mikroE Libraries used in the example:
- PWM library
- UART Library
Additional Notes and Information
Depending on the development board you are using, you may need USB UART click, 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. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
MIKROSDK
The Driver 2 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.
Treiber 2 Click-Platine
Frequently Asked Questions
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