The MAX8903 is a dual-input charger which supports separate DC and USB inputs. This switch mode charger uses high-speed switching to eliminate heat and decrease external components.
The CD4051B is a digitally-controlled analog multiplexer/demultiplexer having a very low ON impedance and very low OFF leakage current. This is an 8-channel analog multiplexer/Demutiplexer and it has three digital control inputs.
This BQ29700 is a single-cell Li-ion/Li-polymer battery protection IC from Texas Instruments. BQ29700 features all the standard protection features such as Overcharge, Over-discharge, Charge overcurrent, Discharge overcurrent, and Load short-circuit protections.
The LTC2942 is a high-precision power and energy monitor manufactured by Analog Devices. It is capable to monitor the voltage, charge, and temperature.
The FDC1004 is a 4-channel capacitance-to-digital converter. Which is designed to fabricate capacitance-sensing devices or modules. Each channel can accurately measure capacitance changes within the ±15 pF range.
The MCP23017 is a widely used 16-bit I/O expander manufactured by Microchip Technology. It facilitates parallel input/output expansion for microcontrollers via the I2C serial interface.
The TNY280 is an energy-efficient AC-to-DC converter IC belonging to the TinySwitch-III series from Power Integrations. It features an integrated high voltage, 700V power MOSFET with control circuitry.