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MAXIM MAX5938LEEE product image
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MAXIM MAX5938LEEE

Manufacturer
MAXIM
MPN
MAX5938LEEE
LCSC Part #
C3662907
Packaging
SSOP-16-150mil
Customer #
Key Attributes
-80V~-10V 1 SSOP-16-150mil Hot Swap Controllers
DatasheetMAXIM MAX5938LEEE
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Hot Swap Controllers
ManufacturerMAXIM
PackagingSSOP-16-150mil
Operating Temperature Range-40℃~+85℃
Length-
FET TypeExternal FET
Height-
Threshold Voltage50mV
Width-
Peak Output Current(Source)-
Voltage Rating-80V~-10V
Number of Channels1
RDS(on)-
Peak Output Current(Sink)-
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Introduction

AI Translation

The MAX5938 is a hot-swap controller for -10V to -80V rails. The MAX5938 allows circuit line cards to be safely hot-plugged into a live backplane without causing a glitch on the power supply. It integrates an adjustable circuit-breaker function requiring no RSENSE. The MAX5938 provides a controlled turn-on for circuit cards, which limits inrush current and prevents both glitches on the power-supply rail and damage to board connectors and components. Before startup, the MAX5938 performs a Load Probe™ test to detect the presence of a short-circuit condition. If a short-circuit condition does not exist, the device limits the inrush current drawn by the load by gradually turning on the external MOSFET. Once the external MOSFET is fully enhanced, the MAX5938 provides overcurrent and shortcircuit protection by monitoring the voltage drop across the RDS(ON) of the external power MOSFET. The MAX5938 integrates a 400mA fast GATE pulldown to guarantee that the external MOSFET is rapidly turned off in the event of an overcurrent or short-circuit condition. The MAX5938 also protects the system against input voltage (VIN) steps. During an input voltage step, the device limits the current drawn by the load to a safe level without shutting down the load. The device also includes ON/OFF control, selectable PGOOD output polarity, undervoltage (UV) and overvoltage (OV) protection. The device offers latched (MAX5938L) or autoretry (MAX5938A) fault management. Both the MAX5938A and MAX5938L are available in a 16-pin QSOP package and are specified for the extended (-40°C to +85°C) temperature range.

Features

AI Translation
  • -10V to -80V Operation
  • No External RSENSE Required
  • Drives Large Power MOSFETS
  • Eliminates Inrush Current Spikes During Hot Plug into Powered Backplane
  • Eliminates Inrush Current Spikes and Dropping of Load During Large VIN Steps
  • Adjustable Circuit-Breaker Threshold with Temperature Compensation
  • Circuit-Breaker Fault with Transient Rejection
  • Shorted Load Detection (Load Probe) Before Power MOSFET Turn-On
  • Programmable Load-Voltage Slew Rate Controls Inrush Current
  • ±2.4% Accuracy, Programmable Turn-On/Off Voltage (UVLO)
  • Overvoltage Fault Protection with Transient Rejection
  • Autoretry and Latched Fault Management Available
  • Low Quiescent Current (1mA)

Applications

AI Translation
  • Telecom Line Cards
  • Network Switches
  • Solid-State Circuit Breakers
  • Network Routers