Group 12: Solar Charging Subsystem

What serial communication protocol is being used between the coulomb counter and the microcontroller?

I2C Protocol

SPI Protocol

USART Protocol

USB Protocol

Which component controls the output current in the output control block?

R_lim

What type of regulator is being used on the charging circuit?

Switching

Linear

Buck

Boost

Which component does the coulomb counter use to sense the battery current?

R_Sense

What is the main function of U4A and U8A components in the battery protection block?

It increases the battery voltage

It increases the battery temperature

It disconnects the battery from the IC to prevent unsafe current

It creates a fancy looking board

Why is heatsink included in the output control block?

To increase the temperature of the power distribution switch IC

To create a fancy looking board

To absorb and disperse heat away from the main IC

To have a better serial communication between the Atmega88 and the output control block

ATmega88 is powered by the ________________

Solar Cell

Battery

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