kak111
Advanced Member level 4
SPV1040
High efficiency solar battery charger with embedded MPPT
The SPV1040 is a high efficiency, low power and low voltage monolithic step-up converter that operates over a 0.3 V to 5.5 V
input voltage range which allows providing power supply to products using even down to one photovoltaic cell or fuel cells where
the capability of handling low input voltages is of utmost importance.
Despite the variation of several conditions over the day (like irradiation, dirt, temperature, etc.) the SPV1040 allows to achieve
the maximum efficiency in terms of power harvested from the cells and transferred to the output thanks to the embedded MPPT algorithm.
It employs an input voltage regulation loop, which fixes the charging battery voltage, set with a resistor divider and a maximum
output current set with a current sense resistor according to charging current constraints.
The SPV1040 guarantees safety of application devices and of the converter itself stopping the PWM switching in case either
of reached maximum input current peak threshold set up to 1.8 A or maximum temperature limit set up to 155 °C.
As additional feature the IC build-in an input source reverse polarity protection which prevents damaging in case of reverse connection of solar panel at the input.
SPV1040 - STMicroelectronics
https://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00287506.pdf
High efficiency solar battery charger with embedded MPPT
The SPV1040 is a high efficiency, low power and low voltage monolithic step-up converter that operates over a 0.3 V to 5.5 V
input voltage range which allows providing power supply to products using even down to one photovoltaic cell or fuel cells where
the capability of handling low input voltages is of utmost importance.
Despite the variation of several conditions over the day (like irradiation, dirt, temperature, etc.) the SPV1040 allows to achieve
the maximum efficiency in terms of power harvested from the cells and transferred to the output thanks to the embedded MPPT algorithm.
It employs an input voltage regulation loop, which fixes the charging battery voltage, set with a resistor divider and a maximum
output current set with a current sense resistor according to charging current constraints.
The SPV1040 guarantees safety of application devices and of the converter itself stopping the PWM switching in case either
of reached maximum input current peak threshold set up to 1.8 A or maximum temperature limit set up to 155 °C.
As additional feature the IC build-in an input source reverse polarity protection which prevents damaging in case of reverse connection of solar panel at the input.
SPV1040 - STMicroelectronics
https://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00287506.pdf
