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Hot-swap integrated circuits prevent system failures by managing the inrush current during live insertion of line cards. These ICs also limit current during the normal operation of high-availability systems. Maxim's solutions are optimized for networking, servers, and storage and telecom systems.

To enable proactive maintenance and diagnostics, selected hot-swap products improve system reliability by integrating current, voltage, and fault monitoring over an I²C interface. Other solutions integrate a power MOSFET and current sense to simplify designs and reduce the total bill of materials (BOM) cost.

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Hot-Swap Protection ICs for Networking, Servers, Storage, and Telecom
5:23 May 21, 2021

Featured Products

MAX16550 Integrated Protection IC on 12V Bus with an Integrated MOSFET, Lossless Current Sensing, and PMBus Interface

The MAX16550 is a protection IC with an integrated low-resistance MOSFET and lossless currentsen...
  • MAX16550—30A Protection ICn
  • High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
    • Monolithic Integration of Power, Control, and Monitoring
    • Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON) Including Package)
    • Integrated Lossless, Precise Current Sensing
    • Integrated LDO Provides VDD Supply (1.8V Bias Supply)
  • Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
    • Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
    • Programmable Soft-Start for Inrush Current Limiting
    • Increases Power-Supply Reliability with IC Self-Protection Features
      • Very Fast Fault Detection and Isolation
      • VIN to VOUT Short Protection During Startup
      • Overtemperature Protection
    • Three Levels of Overcurrent Protection
      • Programmable Moderate OCP
      • Programmable Severe OCP Provides Isolation < 5µs.
      • Fail-Safe Safe OCP Provides Isolation < 250ns.

MAX16550EVKIT Evaluation Kit for the MAX16550/MAX16550A/MAX16550B

The MAX16550 family are protection ICs with integrated low-resistance MOSFETs and lossless curre...
  • High-Density (4mm x 4.5mm for 30A): Less than 25% of the Board Area of Conventional Solutions
    • Monolithic Integration of Power, Control, and Monitoring
  • Integrated Power MOSFET with 1.9mΩ Total Resistance in 12V Power Path (RDS(ON), Including Package)
    • Integrated Lossless, Precise Current Sensing
    • Integrated LDO Provides VDD Supply (1.8V Bias Suppy)
  • Enables Advanced System Power Management—PMBus/SMBus Telemetry with Extensive Status Monitoring and Reporting
    • Load Current Indicator (ILOAD) Pin Provides Analog Output Current Reporting with High Accuracy
    • Programmable Soft-Start for Inrush Current Limiting
  • Detection and Isolation of Severe Overcurrent in Less Than 5µs
  • Fail-Safe Overcurrent (Safe-OCP) Detection and Isolation in Less Than 250ns
    • Three Levels of Programmable Overcurrent Protection (MAX16550)
    • VIN-to-VOUT Short Protection During Startup
MAX15090B 2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output

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

The MAX15090B/MAX15090C ICs are integrated solutions for hot-swap applications requiring the saf...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 6mΩ (typ) Internal Power MOSFET Overvoltage Protection
    • Power-Good and Fault Outputs
    • Programmable Undervoltage Lockout
    • Current Reporting Without Need for External RSENSE
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff or Automatic Retry Options
  • Safety Features Ensure Accurate, Robust Protection
    • 12A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • Inrush Current Regulated at Startup with Foldback
    • Implementation for di/dt Control
    • IN-to-OUT Short-Circuit Detection
MAX15090C 2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output

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

The MAX15090B/MAX15090C ICs are integrated solutions for hot-swap applications requiring the saf...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 6mΩ (typ) Internal Power MOSFET Overvoltage Protection
    • Power-Good and Fault Outputs
    • Programmable Undervoltage Lockout
    • Current Reporting Without Need for External RSENSE
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff or Automatic Retry Options
  • Safety Features Ensure Accurate, Robust Protection
    • 12A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • Inrush Current Regulated at Startup with Foldback
    • Implementation for di/dt Control
    • IN-to-OUT Short-Circuit Detection

MAX15093AEVKIT Evaluation Kit for the MAX15093/MAX15093A

The MAX15093/MAX15093A evaluation kits (EV kits) provide a proven design to evaluate the MAX1509...
  • 2.7V to 18V Operating-Voltage Range
  • Up to 15A Configurable Load-Current Capability
  • Banana Jacks for Input and Output Voltage
  • Programmable Slew-Rate Control
  • Selectable/Configurable Circuit-Breaker Threshold
  • Configurable Overvoltage/Undervoltage Lockout
  • Programmable Timeout Delay
  • FAULT and PG Outputs
  • Defined Safe Operation Area
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX15093EVKIT Evaluation Kit for the MAX15093/MAX15093A

The MAX15093/MAX15093A evaluation kits (EV kits) provide a proven design to evaluate the MAX1509...
  • 2.7V to 18V Operating-Voltage Range
  • Up to 15A Configurable Load-Current Capability
  • Banana Jacks for Input and Output Voltage
  • Programmable Slew-Rate Control
  • Selectable/Configurable Circuit-Breaker Threshold
  • Configurable Overvoltage/Undervoltage Lockout
  • Programmable Timeout Delay
  • FAULT and PG Outputs
  • Defined Safe Operation Area
  • Proven PCB Layout
  • Fully Assembled and Tested
MAX15093 2.7V to 18V, 15A, Hot-Swap Solution with Current Report Output

MAX15093 2.7V to 18V, 15A, Hot-Swap Solution with Current Report Output

The MAX15093/MAX15093A ICs are integrated solutions for hot-swap applications requiring the safe...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 3.8mΩ (typ) Internal Power MOSFET Overvoltage Protection
    • Power-Good and Fault Outputs
    • Programmable Undervoltage Lockout
    • Current Reporting Without Need for External RSENSE
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15093) or Automatic Retry (MAX15093A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 15A Continuous Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • Inrush Current Regulated at Startup with Foldback
    • Implementation for di/dt Control
    • IN-to-OUT Short-Circuit Detection
MAX15093A 2.7V to 18V, 15A, Hot-Swap Solution with Current Report Output

MAX15093A 2.7V to 18V, 15A, Hot-Swap Solution with Current Report Output

The MAX15093/MAX15093A ICs are integrated solutions for hot-swap applications requiring the safe...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 3.8mΩ (typ) Internal Power MOSFET Overvoltage Protection
    • Power-Good and Fault Outputs
    • Programmable Undervoltage Lockout
    • Current Reporting Without Need for External RSENSE
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15093) or Automatic Retry (MAX15093A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 15A Continuous Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • Inrush Current Regulated at Startup with Foldback
    • Implementation for di/dt Control
    • IN-to-OUT Short-Circuit Detection

MAX15095AEVKIT Evaluation Kit for the MAX15095A/MAX15095/MAX15095D

The MAX15095A evaluation kit (EV kit) provides a proven design to evaluate the MAX15095A hot-swa...
  • 2.7V to 18V Operating Voltage Range
  • Up to 6.6A Configurable Load Current Capability
  • Banana Jacks for Input and Output Voltage
  • Programmable Slew-Rate Control
  • Selectable/Configurable Circuit-Breaker Threshold
  • Configurable Overvoltage/Undervoltage Lockout
  • Programmable Fast Comparator Response
  • PG Output
  • Defined Safe Operation Area
  • Proven PCB Layout
  • Fully Assembled and Tested
MAX15095D 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

MAX15095D 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

The MAX15095 family of devices are integrated solutions for hot-swap applications requiring the ...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 10.6mΩ (typ) Internal Power MOSFET
    • Programmable Overvoltage Protection and Undervoltage-Lockout Threshold
    • Drive-Present Signal Input (Active-Low PRSNT pin)
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Programmable Inrush Current Control Under SOA Operation
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15095) or Automatic Retry (MAX15095A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 6.6A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • IN-to-OUT Short-Circuit Detection
    • Open-Drain PG Output
    • Output Discharge After a Fault Event (MAX15095D Only)
    • Programmable Additional Delay (2µs max) to Fast-Comparator Response Time
    • Enable Input (EN)
MAX15095 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

MAX15095 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

The MAX15095 family of devices are integrated solutions for hot-swap applications requiring the ...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 10.6mΩ (typ) Internal Power MOSFET
    • Programmable Overvoltage Protection and Undervoltage-Lockout Threshold
    • Drive-Present Signal Input (Active-Low PRSNT pin)
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Programmable Inrush Current Control Under SOA Operation
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15095) or Automatic Retry (MAX15095A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 6.6A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • IN-to-OUT Short-Circuit Detection
    • Open-Drain PG Output
    • Output Discharge After a Fault Event (MAX15095D Only)
    • Programmable Additional Delay (2µs max) to Fast-Comparator Response Time
    • Enable Input (EN)
MAX15095A 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

MAX15095A 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

The MAX15095 family of devices are integrated solutions for hot-swap applications requiring the ...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 10.6mΩ (typ) Internal Power MOSFET
    • Programmable Overvoltage Protection and Undervoltage-Lockout Threshold
    • Drive-Present Signal Input (Active-Low PRSNT pin)
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Programmable Inrush Current Control Under SOA Operation
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15095) or Automatic Retry (MAX15095A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 6.6A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • IN-to-OUT Short-Circuit Detection
    • Open-Drain PG Output
    • Output Discharge After a Fault Event (MAX15095D Only)
    • Programmable Additional Delay (2µs max) to Fast-Comparator Response Time
    • Enable Input (EN)
MAX15068 Dual ORing, Single Hot-Swap Controller with Accurate Current Monitoring

MAX15068 Dual ORing, Single Hot-Swap Controller with Accurate Current Monitoring

The MAX15068 offers ORing function and hot-swap features for two input-supply-rail applications ...
  • 2.9V to 18V Operating Voltage Range (ORing and Hot Swap)
  • Seamless Power Transition of Redundant Supplies
  • Controls n-Channel MOSFETs
  • < 0.5µs Reverse Turn-Off Time
  • Precision Current Monitoring
  • Adjustable Slew-Rate Control
  • Adjustable Current-Limit Fault Delay
  • Adjustable Circuit-Breaker Current Threshold
  • Inrush Current Regulated at Startup
  • Adjustable Undervoltage Lockout
  • Small (4mm x 5mm) TQFN Package

MAX15068EVKIT Evaluation Kit for the MAX15068

The MAX15068 evaluation kit (EV kit) provides a proven design to evaluate the MAX15068 dual ORin...
  • 4.8V to 18V Operating Voltage Range
  • Banana Jacks for Input and Output Voltage
  • Current Monitoring
  • Programmable Slew-Rate Control
  • Selectable Circuit-Breaker Threshold
  • Configurable Undervoltage Lockout
  • Adjustable Current-Limit Fault Delay
  • Active-Low FAULT and PG Outputs
  • Enable Input
  • Proven PCB Layout
  • Fully Assembled and Tested
MAX15096 2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker

MAX15096 2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker

The MAX15096 family of devices are integrated solutions for hot-swap applications requiring the ...
  • Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
    • Integrated 12mΩ (typ) Internal Power MOSFET
    • Programmable Overvoltage Protection and Undervoltage-Lockout Threshold
    • Drive-Present Signal Input (Active-Low PRSNT pin)
    • Thermal Protection
  • Flexibility Enables Use in Many Unique Designs
    • 2.7V to 18V Operating Voltage Range
    • Programmable Inrush Current Control Under SOA Operation
    • Adjustable Circuit-Breaker Current/Current-Limit Threshold
    • Programmable Slew-Rate Control
    • Variable-Speed Circuit-Breaker Response
    • Latchoff (MAX15096) or Automatic Retry (MAX15096A) Options
  • Safety Features Ensure Accurate, Robust Protection
    • 6A (max) Load Current Capability
    • ±10% Circuit-Breaker Threshold Accuracy
    • IN-to-OUT Short-Circuit Detection
    • Open-Drain PG Output
    • Output Discharge After a Fault Event (MAX15096D Only)
    • Programmable Additional Delay (2µs max) to Fast-Comparator Response Time
    • Enable Input (EN)

MAX5995BEVKIT Evaluation Kit for the MAX5995A, MAX5995B, MAX5995C, MAX5974D

The MAX5995 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board ...
  • IEEE 802.3af/at/bt-Compliant PD Interface Circuit
  • Multi-Event Classification 0-8
  • -36V to -57V Input Range
  • Demonstrates a 71W PD Design with Isolated Active-Clamped Forward Topology DC-DC Converter
  • +12V Output at 5.5A
  • Startup Inrush Current Limit of 135mA (typ)
  • Current Limit During Normal Operation
  • Evaluates Endspan and Midspan Ethernet Systems
  • Type 1-4 PSE Classification Indicator
  • Simplified Wall Adapter Interface
  • Demonstrates Sleep and Ultra-Sleep Power-Saving Modes
  • Proven PCB Layout
  • Fully Assembled and Tested
MAX5977A 1V to 16V, Single-Channel, Hot-Swap Controllers with Precision Current-Sensing Output

MAX5977A 1V to 16V, Single-Channel, Hot-Swap Controllers with Precision Current-Sensing Output

The MAX5977A/MAX5977B hot-swap controllers provide complete protection for systems with a 1V to ...
  • 1% Accurate Current-Sense Amplifier Output
  • Hot-Swap Monitors Operation from 1V to 16V
  • Integrated Charge Pump Fully Enhances the External n-Channel FET (VGATE = VIN + 5V)
  • VariableSpeed/BiLevel™ Fault Protection Provides Electronic Circuit-Breaker Function
  • Output Latched Off After Fault Condition (MAX5977A)
  • Autoretry After Fault Condition (MAX5977B)
  • Power-Good Indicator
  • Calibration Mode
  • Small, 20-Pin, 4mm x 4mm, TQFN-EP Package
MAX5977B 1V to 16V, Single-Channel, Hot-Swap Controllers with Precision Current-Sensing Output

MAX5977B 1V to 16V, Single-Channel, Hot-Swap Controllers with Precision Current-Sensing Output

The MAX5977A/MAX5977B hot-swap controllers provide complete protection for systems with a 1V to ...
  • 1% Accurate Current-Sense Amplifier Output
  • Hot-Swap Monitors Operation from 1V to 16V
  • Integrated Charge Pump Fully Enhances the External n-Channel FET (VGATE = VIN + 5V)
  • VariableSpeed/BiLevel™ Fault Protection Provides Electronic Circuit-Breaker Function
  • Output Latched Off After Fault Condition (MAX5977A)
  • Autoretry After Fault Condition (MAX5977B)
  • Power-Good Indicator
  • Calibration Mode
  • Small, 20-Pin, 4mm x 4mm, TQFN-EP Package

MAX15090BEVKIT Evaluation Kit for the MAX15090B/MAX15090C

The MAX15090B/MAX15090C evaluation kits (EV kit) provide a proven design to evaluate the MAX1509...
  • 2.7V to 18V Operating Voltage Range
  • Up to 12A Configurable Load Current Capability
  • Banana Jacks for Input and Output Voltage
  • Programmable Slew-Rate Control
  • Selectable/Configurable Circuit-Breaker Threshold
  • Configurable Overvoltage/Undervoltage Lockout
  • Programmable Timeout Delay
  • Active-Low FAULT and PG Outputs
  • Defined Safe Operation Area
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX15090CEVKIT Evaluation Kit for the MAX15090B/MAX15090C

The MAX15090B/MAX15090C evaluation kits (EV kit) provide a proven design to evaluate the MAX1509...
  • 2.7V to 18V Operating Voltage Range
  • Up to 12A Configurable Load Current Capability
  • Banana Jacks for Input and Output Voltage
  • Programmable Slew-Rate Control
  • Selectable/Configurable Circuit-Breaker Threshold
  • Configurable Overvoltage/Undervoltage Lockout
  • Programmable Timeout Delay
  • Active-Low FAULT and PG Outputs
  • Defined Safe Operation Area
  • Proven PCB Layout
  • Fully Assembled and Tested