RediSem Ltd. Science Park Shatin Hong Kong Tel. +852 2607 4141 Fax. +852 2607 4140 Careers | Contact © Copyright 2025 RediSem Ltd.
RED1401 is an advanced controller IC for low-cost LLC converters with bipolar transistors, intended for high efficiency adapters 5-30W and low-cost embedded power supplies 5- 30W.
Datasheet  
Order Details
• Code RED1401AD-TR13 • Package SO8 Tape & Reel
 Reference Design  Order Order PSR Controller for LLC Converters RED1401
•	RED1401  (475kB)   •	RED1401  (475kB)         
• Advanced Controller IC for low-cost LLC converters with bipolar transistors • PSR - Primary Side Regulation of output voltage and current without an opto-coupler • 50% duty cycle, variable frequency control of resonant half-bridge • Automatic dead-time control and capacitive mode protection • Triple-mode over-current protection o Programmable CC mode o Cycle-by-cycle over-current protection o Hiccup overload protection • Over-temperature protection • Control Loop Fault protection • Adjustable cable compensation • Small SO8 IC package
Key Features
Check Application Notes Check Application Notes Power Supply ICs
RediSem Ltd. Science Park Shatin Hong Kong Tel. +852 2607 4141 Fax. +852 2607 4140 Careers | Contact © Copyright 2025 RediSem Ltd.
RED1401 is an advanced controller IC for low-cost LLC converters with bipolar transistors, intended for high efficiency adapters 5-30W and low- cost embedded power supplies 5-30W.
• Advanced Controller IC for low-cost LLC converters with bipolar transistors • PSR - Primary Side Regulation of output voltage and current without an opto-coupler • 50% duty cycle, variable frequency control of resonant half-bridge • Automatic dead-time control and capacitive mode protection • Triple-mode over-current protection o Programmable CC mode o Cycle-by-cycle over-current protection o Hiccup overload protection • Over-temperature protection • Control Loop Fault protection • Adjustable cable compensation • Small SO8 IC package
Key Features
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