All-in-one Flyback Controller with Integrated Primary and Secondary, Synchronous Rectification Driver with Capacitive Isolation

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Product Description

The MPX2001 is an all-in-one flyback controller solution. The MPX2001 integrates a primary driving circuit, secondary controller, and synchronous rectification driver all in one chip, maintaining the benefits of both primary-side regulation (PSR) and secondary-side regulation (SSR).

With the MPX2001, system complexity can be reduced since no feedback circuit is needed. Therefore, the total BOM cost is reduced. At the same time, a synchronous rectifier (SR) can be matched perfectly with the driving signal of the primary-side MOSFET. With this feature, the SR can operate safely in continuous conduction mode (CCM), which helps increase overall efficiency and provides the design with more flexibility.

The MPX2001 features advanced protections, including primary-sense output over-voltage protection (OVP), primary over-current protection (POCP), real secondary-sense output overload protection (OLP), internal/external brown-in/brown-out (B/O, B/I), short-circuit protection (SCP), current-sensing short protection (SSP), internal thermal shutdown, under-voltage lockout (UVLO), and an externally triggered protection (Ext.P).

The MPX2001 is available in a SOICW-20 package.

Product Features

  • Isolation Voltage >4500VAC
  • UL1577 and IEC 62368 Safety Approved
  • 100% Production HIPOT Test at 4.5kVrms/50Hz
  • 650V Integrated HV Current Source
  • 200V Integrated SR Controller, Supporting both DCM and CCM Operation
  • Incorporates Primary Driving Circuit, Secondary Controller, and Synchronous Rectification Driver
  • Extremely Low Operating Current in Standby Mode
  • Frequency Modulation and Peak Current Mode Control with Slope Compensation,Line Compensation, and Leading Edge Blanking
  • Adjustable Cable Drop Compensation
  • OVP, POCP, Real Secondary-Sense Output OLP, Internal/External B/O and B/I, SCP, Current-Sensing Short Protection, Internal Thermal Shutdown, UVLO, and Ext.P
  • Available in a SOICW-20 Package


  • Power Range DefinedNo
  • GradeCatalog
  • Mps StatusNew
  • mps_Status2
  • VCC (max) (V)24
  • Vac (max) (V)265
  • Vbr (V)650
  • fsw (max) (kHz)85
  • PackageSOICW-20
  • Vac (min) (V)90

Evaluation Kit


Kit details

The EVX2001-Y-00B Evaluation Board is mainly designed to demonstrate the capabilities of MPS highly integrated controller MPX2001. The MPX2001 is an all-in-one flyback controller aims at high-performance and high-integration solution. It combines the primary side driver, secondary side controller and synchronous rectifier (SR) driver in one chip. So the opto-coupler and TL431 can be removed from the secondary side and SR can be turned off on time without any shoot through risk.

The EVX2001-Y-00B is typically designed for a general adapter.

$50.00 + tax