Single-cell Li-Ion charger with 1A ceiling and 28V input tolerance
It accepts an input supply up to 28V, which gives headroom for 5V USB or unregulated wall adapters without an external pre-regulator. The 4.2V battery termination voltage matches standard single-cell Li-Ion chemistry.
Protection set for safe charging
Built-in fault protection covers over-voltage on the input, over-temperature on the die, and short-circuit at the battery output. These are hardwired thresholds — no external supervisor needed. The charger enters thermal regulation if the junction hits the limit, reducing current to keep the die safe.
Package and footprint for compact designs
The small footprint suits space-constrained portable devices.