Three GaN primary-side flyback controllers from startup Elevation Semiconductor allow environment friendly and compact 20-W to 65-W battery charger options. The HL9550, HL9552, and HL9554 every combine a 650-V GaN energy FET and provide huge VDD working ranges as much as 80 V with out a further clamp circuit for USB PD purposes.
Supposed for switched-mode energy provides, the controller ICs assist quasi-resonant (QR), discontinuous conduction mode (DCM), steady conduction mode (CCM) and a number of frequency hybrid modes of operation. The units present overvoltage, undervoltage, overtemperature, and brownout safety, in addition to an externally triggered shutdown perform for security.
Elevation additionally introduced the HL9701 synchronous rectifier (SR) controller for switched-mode energy provides devoted to the secondary facet of flyback converters. The system drives the SR MOSFET and is suitable with high-side and low-side purposes for QR, DCM, and CCM operations. It has a large enter voltage vary as much as 28 V and is optimized for SR gate turn-off threshold management. The HL9701 is available in a 6-pin SOT-23 bundle.
Full datasheets for these merchandise can be found upon request by contacting gross sales@elevationsemiconductor.com.
Discover extra datasheets on merchandise like this one at Datasheets.com, searchable by class, half #, description, producer, and extra.
