The STEVAL-ISA076V2 demonstration board is a USB compatible battery charger with an integrated power switch. It is designed for Li-Ion/Li-Polymer batteries and can operate with an input voltage of up to 12V. The board features a fully integrated solution with a power MOSFET, reverse blocking diode, sense resistor, and thermal control. It supports AC adapter or USB mode selection and allows for separate programmable charge currents for both AC adapter and USB power sources. In USB mode, it supports low power/high power selection and can operate in both linear and quasi-pulse modes. The board has a preset charge voltage of 4.2V with ±1% accuracy, programmable termination current, and programmable charge timer. It also provides status outputs for driving LEDs or host processor interface, battery absence detection, closed loop thermal control, and NTC or PTC thermistor interface for battery temperature monitoring and protection. The board is RoHS compliant.
The STEVAL-ISA076V2 is a demonstration board designed as a fully integrated solution for charging single-cell Li-Ion/Li-Polymer batteries. It features an operating input voltage up to 12 V and includes components such as a power MOSFET, reverse blocking diode, sense resistor, and thermal control.
The board supports both AC adapter and USB modes with programmable charge current for each source separately. It offers low power/high power selection in USB mode, utilizing both linear and quasi-pulse operation to reduce power dissipation when using a current-limited adapter.
The board is a USB compatible battery charger for single-cell Li-Ion or Li-Polymer based packs.
The device supports an operating input voltage up to 12 V.
The board provides a 4.2 V preset charge voltage with +1 % accuracy.