MP5981GLU-C00E Integrated Circuits ICs 16V 50A 1.1m RDS(ON) Hot-Swap Intelli-Fuse Solution

MP5981GLU-C00E 16V 50A 1.1m RDS(ON) Hot-Swap Intelli-Fuse Solution

The MP5981 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 MP5981 drives up
to 50A of continuous current per device at room
temperature. With air flow, the continuous
current can reach 60A.
The MP5981 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 MP5981 limits
the internal MOSFET current by controlling the
gate voltage through the current limit reference
input and soft-start ramp.
The MP5981 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 MP5981 detects the power FET gate,
source, and drain short conditions. It can also
provide feedback to the hot-swap controller via
the fault reporting output (GOK). The MP5981
can be paralleled for higher current applications.
All devices in parallel actively share current
during soft start.
The MP5981 is available in an LGA-32
(5mmx5mm) package.

FEATURES
• 4V to 16V Operating Input Range
• Maximum 50A Output Current
• Supports 60A of Output Current with Air
Flow
• Integrated Switch with 1.1mΩ RDS(ON)
• 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 (SS)
• Output Short-Circuit Protection (SCP)
• Over-Temperature Protection (OTP)
• Built-In Fuse Health Reporting
• Fault Signal Output
• Parallel Operation for High-Current
Applications
• Integrated Intelli-Fuse Temperature Sense
• Output Voltage Power-Down Control
• Available in an LGA-32 (5mmx5mm)
Package

APPLICATIONS
• Hot Swap
• PC Cards
• Disk Drives
• Servers
• Networking

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