Boost 4 click

Boost 4 click carries the TPS61230A, a high efficiency fully integrated synchronous boost converter from Texas Instruments. The click is designed to run on a 3.3V power supply. Boost 4 click drives the target chip through the digi pot, which has SPI communication with the microcontroller on the system.

Boost 4 click is the power management solution for your next project.

How the click works

Boost 4 click provides an adjustable output voltage through the SPI DAC, that drives the FB pin to set desired voltage. The click is capable of delivering up to 2.4-A output current at a 5V output with the 2.5-V input supply.

TPS61230A features

The TPS61230A device is a high efficiency fully integrated synchronous boost converter. It integrates 6-A, 21-mΩ and 18-mΩ power switches.

During the light load condition, the TPS61230A automatically enters into the PFM operation for maximizing the efficiency with the lowest quiescent current. In the shutdown by pulling EN pin to the logic low, the load is completely disconnected from the input, and the input current consumption is reduced to below 1.0 μA.

Specifications

Pinout diagram

This table shows how the pinout on Boost 4 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	NC
Enable pin	EN	2	RST	INT	15	NC
Chip select	CS	3	CS	TX	14	NC
SPI clock	SCK	4	SCK	RX	13	NC
	SDO	5	MISO	SCL	12	NC
Slave data in for SPI	SDI	6	MOSI	SDA	11	NC
	NC	7	3.3V	5V	10	NC
Ground	GND	8	GND	GND	9	GND	Ground

Programming

Code examples for Boost 4 click, written for MikroElektronika hardware and compilers are available on Libstock.

Code snippet

The following code snippet shows how to cycle through different output voltages.

01 void main()
02 {
03     systemInit();
04
05    while (1)
06     {
07         delay_ms(3000);
08         //Sets the voltage to VOUTmax, ~5.25 V
09         CS_PIN = 0;       //Sets chip select to active
10         Spi3_Write(0b01110000);
11         Spi3_Write(0b00000000);
12         CS_PIN = 1;       //Sets chip select to inactive
13
14        delay_ms(3000);
15         //Sets the voltage to VOUTmin, which depends on VIN, but cannot
16         //be lower than 2.50 V
17         CS_PIN = 0;       //Sets chip select to active
18         Spi3_Write(0b01111111);
19         Spi3_Write(0b11111111);
20         CS_PIN = 1;       //Sets chip select to inactive
21
22        delay_ms(3000);
23         //Sets the voltage ~4.0 V
24         CS_PIN = 0;       //Sets chip select to active
25         Spi3_Write(0b01110111);
26         Spi3_Write(0b01000000);
27         CS_PIN = 1;       //Sets chip select to inactive
28
29        delay_ms(3000);
30         //Sets the voltage ~4.5 V
31         CS_PIN = 0;       //Sets chip select to active
32         Spi3_Write(0b01110100);
33         Spi3_Write(0b00011111);
34         CS_PIN = 1;       //Sets chip select to inactive
35     }
36 }