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In summary, the ISL9237 is one of the industry’s first USB-C buck-boost battery charger, capable of delivering buck, buck-boost, and boost for 1 to 3-cell batteries as well as 5 V reverse buck-mode for USB On-The-Go. It also provides numerous hardware and programmable features, all at very high efficiencies. The ISL9238 buck-boost charger offers a wider output voltage, covering up to 4-cell batteries and 20 V On-The-Go. With additional charging features and better gate driving abilities, the ISL9238 provides everything needed to design a USB-C charger and is a drop-in replacement for the ISL9237 without any EC code or firmware updates.

PTM Published on: 2017-10-19