- E-Fuse & Hot Swap
Hot-Swap Controller and Energy Monitor with PMBus Interface
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The MP5920 is a hot-swap protection controller designed to protect circuitry on its output from transients on its input. The MP5920 allows a circuit board to be removed from or inserted into a live backplane and protects its input from undesired shorts and transients coming from its output.
The MP5920 works with an Intelli-Fuse, which can feed back the current, voltage, and temperature information to the MP5920. The Intelli-Fuse can be turned on or off through the ON pin. The MP5920 limits the Intelli-Fuse maximum load current by controlling the current limit reference voltage through CLPWM.
The MP5920 can be configured to a single output easily with several fuses in parallel.
The PMBus interface allows the MP5920 to read current, voltage, or temperature data and input power from a 12-bit ADC.
The MP5920 is available in a 32-pin TQFN (4mmx4mm) package.
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Features & Benefits
- Easily Configure to a Single Output with Intelli-Fuses in Parallel
- Controllable Intelli-Fuse On or Off through ON
- Programmable Parameters through PMBus
- Programmable Current Limit Reference Voltage for Intelli-Fuse Current Limit Set
- Precision Current Sensing and Temperature Sensing from Intelli-Fuse
- PMBus Fast Mode Compliant
- Built-In 12-Bit ADC for Current, VIN, VOUT, or Temperature Reading
- Programmable Average Time
- Reports Power and Energy Consumption
- Available in a TQFN-32 (4mmx4mm) Package
Active Part Numbers:
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
EV5920-5048-V-00A Evaluation Kit 60V, 15A, 7mΩ RDS(ON), Hot-Swap Intelli-Fuse Solution Evaluation Board
The EV5920-5048-V-00A is an evaluation board designed to demonstrate the capabilities of the MP5920 and MP5048. The MP5920 is a hot-swap protection controller that protects the circuitry from transients on the input. It works with an Intelli-Fuse that feeds back current, voltage, and temperature information to the IC. The Intelli-Fuse can be turned on and off via the ON pin. The MP5048 is a monolithic, integrated controller and switch that can operate as a standalone device, or be controlled via a hot-swap controller.
The MP5920 limits the Intelli-Fuse’s maximum load current by controlling the current limit reference voltage via the CLPWM pin. The PMBus interface allows the IC to read the current, voltage, and temperature data, as well as input power from a 12-bit analog-to-digital converter (ADC).
The MP5048 can drive up to 15A of continuous current per device. It simplifies system design by providing an integrated solution to monitor the output current (IOUT) and die temperature. This eliminates the need for an external current-sense power resistor, power MOSFET, or thermal sense. The MP5048 detects the power MOSFET gate, source, and drain short conditions to provide feedback to the controller. It can also be paralleled for higher current applications.
The MP5920 is available in a TQFN-32 (4mmx4mm) package, and the MP5048 is available in a QFN-30 (5mmx5mm) package.