Mikroelektronika d.o.o.
PROFET -15A Click-Platine
PROFET -15A Click-Platine
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Der PROFET -15A Click Board™ ist eine kompakte Zusatzplatine, die einen intelligenten High-Side-Leistungsschalter enthält. Diese Platine verfügt über den BTS70041EPPXUMA1, einen einkanaligen High-Side-Leistungsschalter mit integrierter Schutz- und Diagnosefunktion von Infineon Technologies. Dieser Schalter verfügt über eine für 15-A-Lasten geeignete Antriebsfähigkeit mit ReverSave™, das den Leistungstransistor bei umgekehrter Polarität einschaltet. Neben seinen Schutzfunktionen verfügt er auch über pinkonfigurierbare Diagnosefunktionen wie proportionale Laststromerkennung, offene Last im EIN- und AUS-Zustand und Kurzschluss nach Masse und Batterie.
Das PROFET -15A Click Board™ ist für ohmsche, induktive und kapazitive Lasten geeignet, ersetzt elektromechanische Relais, Sicherungen und diskrete Schaltungen und vieles mehr.
How Does The PROFET -15A Click Board™ Work?
The PROFET -15A Click Board™ as its foundation uses the BTS70041EPPXUMA1, a single-channel, smart high-side power switch with embedded protection and diagnosis feature from Infineon Technologies. The BTS70041EPPXUMA1 has a driving capability suitable for 15A loads and comes equipped with "ReverseON" functionality which causes the power transistor to switch on in case of reverse polarity. It also offers outstanding energy efficiency with reduced current consumption, state-of-art current sense accuracy, and faster switching/slew rate with no impact on EMC, making it suitable for resistive, inductive, and capacitive loads, replacement of electromechanical relays, fuses, and discrete circuits, and many more.
The PROFET -15A Click Board™ uses three digital pins for direct control. The input pin marked as IN routed to the PWM pin of the mikroBUS™ socket activates the corresponding output channel labelled VOUT. Also, the Diagnosis Enable (DEN) pin routed to the CS pin of the mikroBUS™ socket controls the diagnosis and protection circuitry, and in combination with IN pins, it enables the selection of appropriate operating states: Sleep, Stand-by, and Active Mode.
The BTS70041EPPXUMA1 is protected against overtemperature, overload, reverse power supply (GND and VIN are reverse supplied), and overvoltage. Overtemperature and overload protection work when the device is not in Sleep mode, while overvoltage protection works in all operation modes. For diagnosis purposes, the BTS70041EPPXUMA1 provides a combination of digital and analogue signals at the AN pin of the mikroBUS™ socket.
The PROFET -15A Click Board™ supports an external power supply for the BTS70041EPPXUMA1, which can be connected to the input terminal labelled as VIN and should be within the range of 4.1V to 28V. VIN has an under-voltage detection circuit, which prevents the activation of the power output stages and diagnosis if the applied voltage is below the under-voltage threshold. A power supply indication, red LED labelled as VIN, indicates the presence of an external power supply.
The PROFET -15A Click Board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before use with MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Power Switch |
| Applications | Can be used for resistive, inductive, and capacitive loads, replaces electromechanical relays, fuses and discrete circuits, and many more |
| On-board modules | BTS70041EPPXUMA1 - single-channel, smart high-side power switch with embedded protection and diagnosis feature from Infineon Technologies |
| Key Features | High-side switch with diagnosis and embedded protection, reverseON for low power dissipation in reverse polarity, UVLO/OVLO, wide external power supply range with LED indication, and more |
| Interface | Analog,GPIO |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
| Input Voltage | 3.3V,External |
PINOUT DIAGRAM
This table shows how the pinout on the PROFET -15A Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| Diagnosis Signal | AN | 1 | AN | PWM | 16 | IN | Output Channel Activation |
| NC | 2 | RST | INT | 15 | NC | ||
| Diagnosis Enable | DEN | 3 | CS | RX | 14 | NC | |
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | NC | ||
| NC | 6 | MOSI | SDA | 11 | NC | ||
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | NC | |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| LD2 | VIN | - | External Power Supply LED Indicator |
PROFET CLICK - 15A ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage VCC | - | 3.3 | - | V |
| External Supply Voltage VIN | 4.1 | - | 28 | V |
| Output Current | - | - | 15 | A |
| ON Resistance | - | - | 8 | mΩ |
| Operating Temperature Range | -40 | +25 | +150 | °C |
Software Support
We provide a library for the PROFET -15A 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 Package Manager (recommended), downloaded from our LibStock™ or found on Mikroe GitHub account.
Library Description
This library contains an API for the PROFET Click driver.
Key functions
-
profet_read_an_pin_voltagePROFET read AN pin voltage level function. -
profet_set_modePROFET set mode.
Example Description
This example showcases the ability of the PROFET -15A Click Board™. It configures Host MCU for communication and then enables and disables the output channel. Besides that, it reads the voltage of IS pin and calculates the current on output.
void application_task ( void )
{
static uint8_t mode = PROFET_DIAGNOSTIC_ON;
float profet_an_voltage = 0;
profet_set_mode( &profet, mode );
if ( PROFET_DIAGNOSTIC_ON == profet.mode )
{
mode = PROFET_MODE_OFF;
log_printf( &logger, " > Output ON diagnostic modern" );
Delay_ms( 2000 );
}
else
{
mode = PROFET_DIAGNOSTIC_ON;
log_printf( &logger, " > Output OFFrn" );
}
if ( profet_read_an_pin_voltage ( &profet, &profet_an_voltage ) != ADC_ERROR )
{
log_printf( &logger, " > IS Voltage t~ %.3f[V]rn", profet_an_voltage );
float current = profet_an_voltage * profet.kilis / profet.rsens;
log_printf( &logger, " > OUT Current t~ %.3f[A]rn", current );
}
log_printf( &logger, "*******************************************rn" );
Delay_ms( 2000 );
}
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe GitHub account.
Other Mikroe Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.PROFET
Additional Notes and Information
Depending on the development board you are using, you may need a 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. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The PROFET -15A 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.
PROFET -15A Click-Platine
Frequently Asked Questions
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