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HR1200 Datasheet Preview

HR1200 Datasheet

Digital PFC+LLC Combo Controller

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HR1200
High-Performance
Digital PFC+LLC Combo Controller
NOT RECOMMENDED FOR NEW DESIGNS. REFER TO HR1203
DESCRIPTION
The HR1200 is a high-performance controller
that integrates an advanced digital PFC
controller and a half-bridge LLC resonant
controller. It requires quite low input power at
no load or ultra-light load, making it compliant
with Energy using Product Directive (EuP) Lot 6
and Code of Conduct Version 5 Tier 2
specifications.
The PFC of the HR1200 employs a patented
average current control scheme, which can
operate both in continuous conduction mode
(CCM) and discontinuous conduction mode
(DCM) according to the instantaneous condition
of the input voltage and output load. The IC
exhibits excellent efficiency and high power
factor (PF) at light load. In CCM, the HR1200
can be used in applications up to 500W with
minimal board size limitations. The performance
of the PFC can be optimized by programming
multiple parameters through an I2C GUI.
Programming can be completed either by the
factory or by the customer referring to a
detailed user guide.
The half-bridge LLC resonant converter
achieves high efficiency with zero-voltage
switching (ZVS). The HR1200 implements an
adaptive dead-time adjustment (ADTA) function
to guarantee ZVS in different load conditions.
Additionally, the HR1200 can prevent the LLC
converter from operating in capacitive mode,
making it more robust and easier to design.
FEATURES
General System Features
Meets EuP Lot 6 and COC Version 5 Tier 2
Specifications
HV Current Source for Start-Up
Smart X-Cap Discharger
Standard I2C Interface
1k EEPROM to Store Parameters
User-Friendly GUI for Digital PFC
PFC Controller
High Efficiency from Light Load to Full Load
by CCM/DCM Multi-Mode Control
High PF Due to Patented Input Capacitor
Current Compensation
Programmable Frequency Jittering
Programmable Brown-In and Brown-Out
Programmable Soft Start
Cycle-by-Cycle Current Limit
Open-Loop Protection
LLC Controller
600V High-Side Gate Driver with Integrated
Bootstrap Diode and High dv/dt Immunity
Adaptive Dead-Time Adjustment of HB LLC
with Minimum and Maximum Limit
Burst Mode Switching
Safe Start-Up in Case of System Fault
Two-Level Over-Current Protection (OCP)
Latch Shutdown Protection
Over-Temperature Protection (OTP)
Capacitive Mode Protection
The HR1200 integrates a high-voltage (HV)
current source internally for start-up. When the
AC input is removed, the HV current source
also functions as an X-cap discharger. Such
features are helpful to reduce related devices,
thus reduce power consumption at no load.
The HR1200 has multiple protection features
including thermal shutdown (TSD), open-loop
protection (OLP), over-current protection (OCP),
over-voltage protection (OVP), and brown-
in/brown-out protection.
APPLICATIONS
Notebook Adapters
All-in-One or Gaming Power Supply
Desktop PC and ATX Power
General AC/DC Power Supply up to 600W
LCD TV and Plasma TV Power Supply
MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For
MPS green status, please visit the MPS website under quality assurance. “MPS”
and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
Analog digital adaptive modulation (ADAM) and advanced asynchronous
mode (AAM) are trademarks of Monolithic Power Systems, Inc.
HR1200 Rev 1.1
www.MonolithicPower.com
1
3/25/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.




MPS

HR1200 Datasheet Preview

HR1200 Datasheet

Digital PFC+LLC Combo Controller

No Preview Available !

HR1200 HIGH-PERFORMANCE DIGITAL PFC+LLC COMBO CONTROLLER
NOT RECOMMENDED FOR NEW DESIGNS. REFER TO HR1203
TYPICAL APPLICATION
Figure 1: Typical Application
HR1200 Rev 1.1
www.MonolithicPower.com
2
3/25/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.


Part Number HR1200
Description Digital PFC+LLC Combo Controller
Maker MPS
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HR1200 Datasheet PDF






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