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  4. Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs (Monolithic Power Systems, Inc.)
Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs-HR1213
Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs-Monolithic Power Systems, Inc.

Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs
Monolithic Power Systems, Inc.

About This Product

■Summary

HR1213 is a multimode PFC and current mode LLC combo controller that can be controlled via a UART interface. Power-saving technology increases efficiency across the entire operating range. The PFC controller uses a patented digital average current control scheme to achieve hybrid continuous conduction mode (CCM) and discontinuous conduction mode (DCM). At heavy loads, continuous conduction mode reduces peak MOSFET current, allowing the controller to be used over a wider load range. At light loads, the DCM reduces switching frequency (fSW) and improves efficiency. Burst mode has configurable digital soft switching to improve both efficiency and audible noise at light loads. Current mode control is performed in the LLC stage for excellent stability and fast response. Three operating modes are performed based on different load conditions: steady state, skip, and burst mode. This allows different load conditions to be individually optimized to increase efficiency. At light loads, digital frequency control burst mode is applied to reduce both switching power losses and audible noise. Adaptive dead time adjustment (ADTA) and capacitive mode protection (CMP) are also applied to ensure zero voltage switching (ZVS) without capacitive mode. The HR1213 has an internal high voltage (HV) current source for startup, meaning that traditional startup resistors and external circuitry are not required. An external DC power supply can power VCC. Extensive protection features include thermal shutdown, PFC open-loop protection (OLP), overvoltage protection (OVP), overcurrent limiting (OCL), LLC overcurrent protection (OCP), SO pin protection, and overpower protection (OPP). HR1213 is offered in SOIC-20 and TSSOP-20 packages.

■General system functions

・High voltage (HV) current source for startup ・UART interface for setting ・User-friendly GUI ・Available in SOIC-20 and TSSOP-20 packages

  • Product

    Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs

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1 Models of Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs

Image Part Number Price (excluding tax) High-Voltage Start-Up LLC Control PFC Control Mode Topology Type Package (mm)
Multi-mode PFC and current mode LLC combo controller HR1213 supporting both AC and DC inputs-Part Number-HR1213

HR1213

Available upon quote

Yes

Digital and current mode

Digital CCM/DCM

PFC LLC

PFCLLC Controller

SOIC-20, TSSOP-20

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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