EV5921-V-01A

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16V,50A,1mΩ (Rds_on) HOT-SWAP INTELLI-FUSE SOLUTION

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Product Description

MP5921 is a monolithic integrated controller and switch. It contains a high-side MOSFET and other circuitry that enables it to work as stand-alone or to be controlled by a hot-swap controller. MP5921 drives up to 50 A of continuous current per device at room temperature, while with air flow, the continuous current can reach to 60A. 

The MP5921 limits the inrush current to the load when a circuit card is inserted into a live backplane power source, thereby limiting the backplane’s voltage drop. MP5921 limits the internal MOSFET current by controlling the gate voltage through the current limit reference input.

MP5921 offers many features to simplify the system design. It provides an integrated solution to monitor the output current and the die temperature, eliminating the need for an external current-sense power resistor, power MOSFET, and thermal sense device.

The MP5921 detects the power FET gate, source, and drain short conditions and feedback to controller. Also, MP5921 can be paralleled for higher current applications. 

The MP5921 is available in 4mmx5mm QFN package.

Product Features

  • 4V to 16V Operating Input Range 
  • Maximum 50A Output Current 
  • Support 60A Output Current With Air Flow 
  • Integrated Switch with Lower Rds(on) 1mΩ 
  • Built-In MOSFET Driver 
  • 3.0V LDO Output 
  • Integrated Current Sensing with Sense Output 
  • Separate Current Sensing Output Used to Program Over-Current Value 
  • Built-In Insertion Delay 
  • Adjustable Soft Start 
  • Output Short-Circuit Protection 
  • Over-Temperature Protection 
  • Built-In Fuse Health Reporting 
  • Fault Signal Output 
  • Parallel Operation for Higher Current Applications 
  • Integrated Intelli-Fuse Temperature Sense 
  • Output Voltage Power Down Control 
  • Available in a FCQFN 4mmx5mm Package 

Parametrics


16V, 50A, 1mΩ RDS(ON),  Hot-Swap Intelli-Fuse Solution

The MP5921 is a monolithic, integrated controller and switch that contains a high-side MOSFET and other circuitries that enable it to work in standalone operation or to be controlled by a hot-swap controller. The MP5921 drives up to 50A of continuous current per device at room temperature. With air flow, the continuous current can reach 60A.

The MP5921 limits the inrush current to the load when a circuit card is inserted into a live backplane power source, thereby limiting the backplane’s voltage drop. The MP5921 limits the internal MOSFET current by controlling the gate voltage through the current limit reference input and soft-start ramp.

The MP5921 offers many features to simplify system design. It provides an integrated current mirror to monitor the output current and on-die temperature sensing, eliminating the need for an external current-sense power resistor, power MOSFET, and thermal sense device.

The MP5921 detects the power FET gate, source, and drain short conditions and can feedback to the hot-swap controller via the fault reporting output (GOK). The MP5921 can be paralleled for higher current applications. All devices in parallel share current actively during soft start.

The MP5921 is available in a QFN-28 (4mmx5mm) package.

Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.