Order- MP5981
MP5981
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Description
The MP5981 is an integrated monolithic controller and switch with a high-side power MOSFET (HS-FET) and other circuitry that allows it to operate alone or be controlled via a hot-swap controller. The device can achieve up to 50A of continuous output current (IOUT) per device at room temperature, or up to 60A of continuous IOUT with air flow.
The device limits the backplane voltage drop by limiting the inrush current to the load while a circuit card is inserted into a live backplane power source. It limits the internal MOSFET current by controlling the gate voltage via the current limit reference input and soft-start ramp.
The MP5981 provides many features to simplify system design, such as an integrated current mirror to monitor IOUT and the die temperature. This eliminates the need for an external current-sense power resistor, power MOSFET, and thermal-sense device.
The IC detects the power MOSFET’s gate, source, and drain short conditions. It also provides feedback to the hot-swap controller via the fault reporting output (GOK). The MP5981 can operate in parallel for high-current applications. All devices in parallel actively share current during soft start.
The MP5981 is available in an LGA-32 (5mmx5mm) package.
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Features & Benefits
- 4V to 16V Operating Input Voltage (VIN) Range
- Up to 50A Output Current (IOUT)
- Up to 60A of IOUT with Air Flow
- 1mΩ RDS(ON) Integrated Power MOSFET
- Built-In MOSFET Driver
- 3V LDO Output
- Integrated Current Sense with Sense Output
- Separate Current-Sense Output to Configure the Over-Current (OC) 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
- Supports Parallel Operation for High-Current Applications
- Integrated Intelli-Fuse Temperature Sense
- Output Voltage (VOUT) Shutdown Control
- Available in an LGA-32 (5mmx5mm) Package
Active Part Numbers:
MP5981GLU-Z MP5981GLU-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP5981 Resources
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PRODUCT CATEGORY
E-FUSE & HOT SWAPPRODUCT CATEGORY -
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