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The ISL9237 is the industry’s first single chip USB-C buck-boost charger released in 2015. ISL9238 is the new addition in 2016 that completes the buck-boost charger portfolio by adding more features. Both parts provide two-way power delivery while using a single-chip technology that reduces BOM costs and improves efficiency. Both can operate in buck, buck-boost, and boost mode to maintain an accurate output voltage and support USB On-The-Go with 5 V reverse buck mode from the ISL9237, and full range 5 V to 20 V OTG from ISL9238. Furthermore, both devices achieve acoustic noise-free operation, superior light load efficiency and fast dynamic response, thanks to Renesas' patented R3 modulation.

PTM Published on: 2017-10-19