Single-cell Li-Ion charger with USB input and 1.5 A capability
The charger integrates fault protection against over-temperature, over-voltage, reverse current, and short circuit, making it a self-contained solution for handheld instruments, IoT sensors, and consumer electronics where board space is tight.
Charge current and programmability
The 1.5 A maximum charge current is set via an external resistor, giving the designer flexibility to match the charge rate to the battery capacity. A programmable timer provides a safety timeout, and the charger enters a termination phase when the current drops below the threshold.
Temperature range and protection set
The built-in over-temperature, over-voltage, reverse-current, and short-circuit protection layers mean the charger can be placed close to the battery without external supervisory circuitry, simplifying the PCB layout and reducing BOM count.
It is ROHS3 compliant.