Mikroelektronika d.o.o.

SKU: MKROE-5575

Boost 7 Click Board

£15.00 GBP

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Boost Your Voltage with the Boost 7 Click Board™

Looking to step up the voltage for your load? Look no further than the Boost 7 Click Board™, the compact add-on board that delivers reliable voltage regulation for a range of applications.

Powerful Performance, Minimal Footprint

Featuring the advanced BD8316GWL dual DC/DC converter from Rohm Semiconductor, the Boost 7 Click Board™ is designed to provide up to 200mA current limit and generate well-regulated positive and negative outputs of ±3.3V or ±5V. This makes it ideal for a wide range of applications that require split rail operating voltages.

Versatile Compatibility

The Boost 7 Click Board™ is compatible with both mikroBUS™ power rails and also supports external power supply with a very low voltage of 2.5V. This gives you the flexibility you need to power your load no matter where you are.

Simplified Software Development

With the mikroSDK-compliant library, software development for the Boost 7 Click Board™ has never been easier. Our library includes functions that simplify software development, so you can get up and running quickly and easily.

Ready to Use

The Boost 7 Click Board™ comes fully tested and ready to use on any system equipped with the mikroBUS™ socket. So why wait? Boost your voltage and power up your applications with the Boost 7 Click Board™ today!

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Product Description

How Does The Boost 7 Click Board™ Work?

The Boost 7 Click Board™ is based on the LT1945, a dual step-up and inverted DC/DC converter from Rohm Semiconductor that boosts an input voltage to a higher level required by an output load. The BD8316GWL switching regulator feature integrated N-channel FETs and power P-channel MOSFETs alongside a Soft Start feature. Each converter inside the LT1945 is designed with up to 200mA current limit generating well-regulated positive and negative outputs of ±3.3V or ±5V, making the BD8316GWL ideal for various portable applications.

Boost 7 Click inner

As mentioned, the BD8316GWL can configure the positive and negative output voltage in the ±3.3V or ±5V range. The desired output voltage can be selected by positioning SMD jumpers labelled as V- SEL and V+ SEL to an appropriate position. It is also possible to control the activity of the output channels via two mikroBUS™ pins, SB1 and SB2 pins. These pins are routed to a default position of the AN and PWM pins of the mikroBUS™ socket. By setting these pins to a high logic state, we put the converter outputs to an active state, and regulated voltages are available at the output terminals. In the same way, setting these pins to a low logic level disables the channels.

The Boost 7 Click Board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. Additionally, there is a possibility for the BD8316GWL power supply selection via jumper labelled as VIN SEL to supply the BD8316GWL from an external power supply terminal in the range from 2.5V to 5.5V or with a selected voltage from mikroBUS™ power rails. 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	Boost
Applications	Can be used to step up an input voltage to some higher level
On-board modules	BD8316GWL - dual DC/DC converter from Rohm Semiconductor
Key Features	Regulated negative and positive outputs, current-limited, high efficiency, low power consumption, selectable converter power supply, digitally-controlled output channels, and more
Interface	GPIO
Compatibility	mikroBUS
Click board size	M (42.9 x 25.4 mm)
Input Voltage	3.3V or 5V,External

PINOUT DIAGRAM

This table shows how the pinout of the Boost 7 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes	Pin					Pin	Notes
Negative Channel Control	SB1	1	AN	PWM	16	SB2	Positive Channel Control
NC	2	RST	INT	15	NC
NC	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	5V	Power Supply
Ground	GND	8	GND	GND	9	GND	Ground

ONBOARD SETTINGS AND INDICATORS

Label	Name	Default	Description
LD1	PWR	-	Power LED Indicator
JP1	V-SEL	Left	Negative Output Voltage Selection -3.3V/-5V: Left position -3.3V, Right position -5V
JP2	V+SEL	Left	Positive Output Voltage Selection +3.3V/+5V: Left position +3.3V, Right position +5V
JP3	VCC SEL	Left	Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V
JP4	VIN SEL	Right	BD8316GWL Power Supply Selection VEXT/VCC: Left position VEXT, Right position VCC

BOOST 7 CLICK ELECTRICAL SPECIFICATIONS

Description	Min	Typ	Max	Unit
Supply Voltage	3.3	-	5	V
External Supply Voltage	2.5	-	5.5	V
Positive Output Voltage	-	+3.3/+5	-	V
Negative Output Voltage	-	-3.3/-5	-	V

Software Support

We provide a library for the Boost 7 Click Board™ as well as a demo application (example), developed using MikroE compilers. The demo can run on all the main MikroE development boards.

The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Library Description

This library contains API for the Boost 7 Click Board™ driver.

Key functions

boost7_enable_out1 This function enables the OUT1 (V-) by setting the STB1 pin to high logic state.
boost7_disable_out1 This function disables the OUT1 (V-) by setting the STB1 pin to low logic state.
boost7_enable_out2 This function enables the OUT2 (V+) by setting the STB2 pin to high logic state.

Example Description

This example demonstrates the use of the Boost 7 Click Board™ by controlling the V- and V+ outputs state.

void application_task ( void ) 
 { 
     log_printf( &logger, " OUT1 (V-) : ENABLEDrn" ); 
     log_printf( &logger, " OUT2 (V+) : DISABLEDrnn" ); 
     boost7_enable_out1 ( &boost7 ); 
     boost7_disable_out2 ( &boost7 ); 
     Delay_ms( 5000 ); 
     log_printf( &logger, " OUT1 (V-) : DISABLEDrn" ); 
     log_printf( &logger, " OUT2 (V+) : ENABLEDrnn" ); 
     boost7_disable_out1 ( &boost7 ); 
     boost7_enable_out2 ( &boost7 ); 
     Delay_ms( 5000 ); 
 }

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.Boost7

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. A UART terminal is available in all MikroE compilers.

MIKROSDK

The Boost 7 Click Board™ is supported with mikroSDK - MikroE 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.

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