CorporationThe LTC4421HG#PBF with Power Management Specialised–PMIC HP Prioritized PowerPath Controller is a PowerPath controller integrated circuit manufactured by Analog Devices Corporation. It is a single-channel MOSFET driver part with up to 20V input voltage. It includes an integrated PMIC controller for handling power-fail and system fault conditions. The LTC4421HG#PBF is a flexible, non-isolated, synchronous dual-path power supply controller that is capable of regulating input or output voltages. It provides two operating states, adaptive charging and prioritized load paths, by utilizing HP Priority Logic that offers up to five unique priority settings. The LTC4421HG#PBF is ideally suited for industries such as telecommunications, networking, automotive, industrial, instrumentation, and other applications that require reliable power in a tight design footprint.