18 April 2018
Power Electronics / Power Management
Monolithic Power Systems announced the release of the MPX2001, an all-in-one flyback power IC with robust capacitive digital isolation, secondary-side control and synchronous rectification.
The MPX2001 combines four flyback ICs into one power IC with UL-qualified 4,5 kVrms capacitive isolation and 8,4 mm primary-to-secondary PCB clearance. Advanced continuous conduction mode (CCM) secondary-side control improves dynamic performance over traditional solutions and provides quick short circuit and over-voltage protection.
Multi-chip integration eliminates multiple passive components, resulting in PCB board space saving and a BOM reduction up to 50%. The MPX2001 achieves as low as 15 mW standby power loss while allowing design optimisation with customer-preferred primary and secondary MOSFETs. PWM/PFM control provides excellent EMI across the entire load range, free of audible noise that often exists with alternative control schemes.
The chip benefits from seventh generation SR driver designs optimised for safe, efficient CCM SR operation that minimises body diode conduction of the SR MOSFET while eliminating any cross-conduction concerns. Capacitive isolation replaces traditional optocouplers to ensure reliable, long-term operation.
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