MAX77859 Buck-Boost Converter

Analog Devices Inc. MAX77859 Buck-Boost Converter is a high-efficiency, high-performance buck-boost converter targeted for systems requiring a wide input voltage range (2.5V to 22V). The IC can supply up to 6A output current in buck mode and 4A in boost mode (VIN = 3.7V, VOUT = 5V). The IC allows systems to change the output voltage dynamically through the I2C serial interface. MAX77859A features an I2C-adjustable output current limit with resolutions of 50mA/step (with 10mΩ sense resistance) to support USB-C™ PPS requirements. MAX77859B is a non-PPS version and is optimized for low quiescent current. Systems equipped with MAX77859 can provide fast-charging peripheral devices with higher output voltage, minimizing power loss across cable/connector and reducing charging time.

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