MAX15090B/MAX15090C 2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output Data sheet

2021-07-01
●General Description
■The MAX15090B/MAX15090C ICs are integrated solutions for hot-swap applications requiring the safe insertion and removal of circuit line cards from a live backplane. The devices integrate a hot-swap controller, 6mΩ power MOSFET, and an electronic circuit-breaker protection in a single package.The devices integrate an accurate current-sense circuitry and provide 220μA/A of proportional output current. The devices are designed for protection of 2.7V to 18V supply voltages.
These devices implement a foldback current limit during startup to control inrush current lowering di/dt and keep the MOSFET operating under safe operating area (SOA) conditions. After the startup cycle is complete, on-chip comparators provide VariableSpeed/BiLevel™ protection against short-circuit and overcurrent faults, and immunity against system noise and load transients. The load is disconnected in the event of a fault condition. The devices are factory calibrated to deliver accurate overcurrentprotection with ±10% accuracy. During a fault condition, the MAX15090B latches off, while the MAX15090C enters autoretry mode.The devices feature an IN-to-OUT short-circuit detection before startup.
The devices provide a power-MOSFET GATE pin to program the slew rate during startup by adding an external capacitor. The devices have overvolt-age/undervoltage input pins that can detect an overvolt-age/undervoltage fault and disconnect the IN from the OUT. Additional features include internal overtemperature protection, power-good output, and fault-indicator output.
The MAX15090B/MAX15090C ICs are available in a 28-bump, 2.07mm x 3.53mm, power wafer-level package (WLP) and are rated over the -40°C to +85°C extended temperature range.

Maxim

MAX15090BMAX15090CMAX15090BEWI+TMAX15090CEWI+T

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RAID Systems ]Storage Bridge Bay ]Disk Drive Power ]Server I/O Cards ]Industrial ]

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WLP

English Chinese Chinese and English Japanese

5/20

Rev 2

19-7643

1.2 MB

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