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The HR1215GY-0000-Z is a Multi-Mode PFC and Current Mode LLC Controller manufactured by Monolithic Power Systems. It integrates power factor correction and LLC resonant control in a single package. The device supports Critical Conduction Mode (CRM) and Discontinuous Conduction Mode (DCM). It operates with a switching frequency of 250 kHz and accepts a supply voltage between 12V and 35V. The component functions within a junction temperature range of -40°C to 125°C. It is housed in a 20-SOIC surface-mount package.
This component is officially discontinued and no longer manufactured by Monolithic Power Systems. Verification of availability should focus on obsolete stock or authorized distributors holding remaining inventory. Designers must confirm the end-of-life status before finalizing procurement plans, as new production units are not available from the manufacturer.
Engineers selecting this part should note its discontinued status and evaluate alternative components for new designs. The integrated nature of the PFC and LLC controllers simplifies bill of materials but requires careful thermal management due to the SOIC-20 package constraints. Verify compatibility with existing system voltages and switching frequency requirements before considering legacy stock.
The HR1215 series represents Monolithic Power Systems' approach to combining power factor correction and LLC resonant control. This specific model targets applications requiring high efficiency and reduced component count. The integration aims to simplify design complexity while maintaining performance standards for modern power conversion systems.
NCP1631DR2G from onsemi is listed as a similar replacement option.