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  4. PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204 (Monolithic Power Systems, Inc.)
PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204-HR1204
PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204-Monolithic Power Systems, Inc.

PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204
Monolithic Power Systems, Inc.

About This Product

■Summary

HR1204 is a high-performance controller that integrates an advanced digital PFC controller and a half-bridge LLC resonant controller. The HR1204 complies with the Energy Use Products Directive (EuP) Lot6 and Code of Practice Version 5 Tier 2 specifications due to its low input power requirements at no-load or very light loads. The HR1204's PFC employs a patented average current control scheme that can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM) depending on the instantaneous conditions of input voltage and output load. This IC exhibits excellent efficiency and high power factor (PF) at light loads. PFC performance can be optimized by programming multiple parameters through the I2C GUI. Programming can be done at the factory or by the customer with reference to a detailed user guide. Half-bridge LLC resonant converters achieve high efficiency with zero voltage switching (ZVS). HR1204 implements an adaptive dead time adjustment (ADTA) feature that guarantees ZVS under various load conditions. Additionally, the HR1204 can prevent the LLC converter from operating off-resonance, making the converter more robust and easier to design. To improve noise immunity, HR1204 implements multiple programmable digital filters on important signals. Extensive protection features include thermal shutdown, open loop protection (OLP), overcurrent protection (OCP), overvoltage protection (OVP), and power recovery/outage protection. The HR1204 is suitable for redundant power applications and is offered in TSSOP28 and SOIC-28 packages.

■General system functions

・Compliant with EuP Lot6 and COC version 5 Tier2 specifications ・Standard I2C interface ・1k EEPROM for parameter storage ・User-friendly GUI for digital PFC ・VCC supply via external DC input from additional isolated power supply

  • Product

    PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204

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1 Models of PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204

Image Part Number Price (excluding tax) High-Voltage Start-Up LLC Control PFC Control Mode Topology Type Package (mm)
PFC + LLC Combo Controller High performance digital PFC + analog LLC combo controller with standby power input to VCC HR1204-Part Number-HR1204

HR1204

Available upon quote

No

Analog

Digital CCM/DCM

PFC LLC

PFCLLC Controller

SOIC-28, TSSOP-28

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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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