ISL9238A

DATASHEET ISL9238A Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG FN8978 Rev.1.00 Nov 30, 2017 The ISL9238A is a buck-boost Narrow Output Voltage DC (NVDC) charger. The ISL9238A provides the NVDC charging function, system bus regulation, and protection features for tablet, ultrabook, notebook, power bank, and any USB-C interface platform. Intersil’s advanced R3™ Technology is used to provide high light-load efficiency and fast transient response. In Charging mode the ISL9238A takes input power from a wide range of DC power sources (conventional AC/DC charger adapters, USB PD ports, travel adapters, etc.) and safely charges battery packs with up to 4-series cell Li-ion batteries. As a NVDC topology charger, it also regulates the system output to a narrow DC range for stable system bus voltage. The system power can be provided from the adapter, battery, or a combination of both. The ISL9238A can operate with only a battery, only an adapter, or both connecte...