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Maxim > Solutions > Computers: Desktops, Workstations, and Servers

Hot Swap

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 12V Hot-Plug Switch
DS4560

Integrated, Self-Protected Electronic Switch Allows the Safe Insertion and Removal of Equipment Into 12V Backplanes
QV  PDF 0 to 16V, Quad, Hot-Swap Controller with 10-Bit Current and Voltage Monitor
MAX5961

Industry's First Quad, Hot-Swap Controller Operates Down to 0V and Integrates a Voltage and Current Monitor
QV  PDF Low-Voltage, Quad, Hot-Swap Controllers/Power Sequencers
MAX5927A, MAX5929A, MAX5929B, MAX5929C, MAX5929D

Triple/Quad, Hot-Swap Controllers Enable Sequencing, Tracking, or Independent On/Off Control for Low-Voltage Supplies
QV  PDF Triple PCI Express, Hot-Plug Controllers
MAX5957, MAX5958

Industry's First Triple PCI Express Hot-Plug Controllers Save Board Space and Cost
QV  PDF Quad PCI Express, Hot-Plug Controllers
MAX5959, MAX5960

Industry's First Quad, PCI Express Hot-Plug Controllers Save Board Space and Cost
QV  PDF 12V/5V Input Buck PWM Controller
MAX5951

1MHz, 12V/5V Input Buck PWM Controller with Lossless Valley Current Sensing
QV  PDF Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control
MAX5955, MAX5956
QV  PDF 12V PWM Controller with Hot-Swap
MAX5950

Industry's First +12V PWM Controller with Hot-Swap for PCIe® ExpressModule™ Requires No RSENSE for Current Sensing
QV  PDF Dual PCI Express, Hot-Plug Controller
MAX5946, MAX5946A, MAX5946L

Dual-Slot, Hot-Swap Controller Enables Safe Insertion and Removal of PCI Express Cards
QV  PDF -48V Hot-Swap Controllers with External RSENSE
MAX5949A, MAX5949B
QV  PDF -48V Hot-Swap Controllers with External RSENSE
MAX5948A, MAX5948B
QV  PDF 1V to 13.2V, n-Channel Hot-Swap Controllers Require No Sense Resistor
MAX5924, MAX5925, MAX5926
QV  PDF Dual FireWire Current Limiter and Low-Drop ORing Switch Controller
MAX5944
QV  PDF -48V Hot-Swap Controller with VIN Step Immunity, No RSENSE, and Overvoltage Protection
MAX5938
QV  PDF -48V Hot-Swap Controllers with VIN Step Immunity and No RSENSE
MAX5936, MAX5937

Hot-Swap Controllers with VIN Step Immunity and No RSENSE for -10V to -80V Rails
QV  PDF Positive High-Voltage, Hot-Swap Controllers with Selectable Fault Management and Status Polarity
MAX5934, MAX5934A
QV  PDF Positive High-Voltage, Hot-Swap Controllers
MAX5933A, MAX5933B, MAX5933C, MAX5933D, MAX5933E, MAX5933F, MAX5947A, MAX5947B, MAX5947C
QV  PDF Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers
MAX8555, MAX8555A
QV  PDF Low-Voltage, Quad, Hot-Swap Controllers/Power Sequencers
MAX5927, MAX5929

Triple/Quad Hot-Swap Controllers Enable Sequencing, Tracking, or Independent On/Off Control for Low-Voltage Supplies
QV  PDF -48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current
MAX5921, MAX5939
QV  PDF -48V Hot-Swap Controller with External RSENSE
MAX5920

Hot-Swap Controller with External RSENSE Well-Suited for -48V Power Systems
QV  PDF Smallest, Most Reliable, 12V, InfiniBand-Compliant Hot-Swap Controller
MAX8533

Smallest, 12V, InfiniBand-Compliant, Hot-Swap Controller for Blade Servers
QV  PDF Single PCI Express, Hot-Plug Controller
MAX5954

Industry's First Single-Slot, PCI Express Hot-Plug Controller Hot-Swaps All 3 Voltage Rails: +12V, +3.3V and +3.3V Auxiliary
QV  PDF +60V Simple Swapper Hot-Swap Switch
MAX5923
QV  PDF ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies
MAX8535, MAX8536, MAX8585

Simplest, smallest OR-ing MOSFET Controllers with Fastest Reverse-Current Protection
QV  PDF Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers
MAX5904, MAX5905, MAX5906, MAX5907, MAX5908, MAX5909
QV  PDF +65V Simple Swapper Hot-Swap Switches
MAX5910, MAX5917
QV  PDF +72V SOT23/TDFN Simple Swapper Hot-Swap Controllers
MAX5902, MAX5903
QV  PDF -48V, Simple Swapper Hot-Swap Switches
MAX5911, MAX5912

-48V Hot Swap Switch Targets IP Phones and Data Terminal Equipment Requiring Data and Power on the Same Cable
QV  PDF 3V to 12V, Current-Limiting, Hot Swap Controllers with Autoretry, DualSpeed/BiLevel Fault Protection
MAX4271, MAX4272, MAX4273

3V to 12V Hot Swap Controller with Latched Protection or Auto-Retry in 8-SO
QV  PDF Current-Regulating Hot-Swap Controller with DualSpeed/BiLevel Fault Protection
MAX4370



Key Specifications:   Hot Swap Controllers
Part Number Min. VIN (V) Max. VIN (V) Low Voltage High Voltage Voltage Polarity Type Fault Condition Control Number of Channels Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX5955  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off or Periodic Retry 2
•25mV Circuit Breaker Threshold
•Adjustable circuit breaker threshold: 25mV to 100mV
•Dual-Speed Bi-Level Inrush and Schort-Circuit Protection
•Independent ON/OFF Control for Each Channel
•Input Under-Voltage Lockout
•Latch or Auto-Restart Fault Management
•On/Off Control
•Output Undervoltage/Overvoltage Protection
•Power-Good output (active-high)
•Programmable Current-Limit Threshold
•Programmable UVLO
•Regulated In-Rush Current
 QSOP/16 31 -40 to +85
MAX5956  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off or Periodic Retry 2
•25mV Circuit Breaker Threshold
•Adjustable circuit breaker threshold: 25mV to 100mV
•Dual-Speed Bi-Level Inrush and Schort-Circuit Protection
•Fault Status Output
•Independent ON/OFF Control for Each Channel
•Input Under-Voltage Lockout
•Latch or Auto-Restart Fault Management
•On/Off Control
•Output Undervoltage/Overvoltage Monitoring
•Power-Good output (active-high)
•Programmable Current-Limit Threshold
•Programmable UVLO
•Regulated In-Rush Current
 QSOP/16 31 -40 to +85
MAX5946  3 13.2 Yes No Positive Positive, Low-Voltage Latched Off
Periodic retry 		 - 
•125mA Fast Gate Pulldown Current
•Adjustable auto-retry duty cycle and Circuit-Breaker Timeout
•Auto-retry fault management
•Dual PCI-Express
•On/Off Control
•Power-Good output (active-low)
•Programmable Start-Up, Overcurrent, and Load-Disconnect Timeouts
 THIN QFN/36 37 -40 to +85
MAX5949  -20 -80 No Yes Negative Negative, High-Voltage Latched Off 1
•50mA gate pull down current during short circuit protection
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Pin and Function Compatible with LT1641xx
•Power-Good output (active-high)
•Power-Good output (active-low)
•Programmable In-Rush and Short-Circuit Protection
•Programmable UVLO
•Replaces LT4250L
 SOIC/8 31 -40 to +85
MAX5948  -20 -80 No Yes Negative Negative, High-Voltage Latched Off 1
•50mA gate pull down current during short circuit protection
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Power-Good output (active-high)
•Power-Good output (active-low)
•Powers up into shorted load
•Programmable In-Rush and Short-Circuit Protection
•Replaces the LT1640Ax/LT16
•Replaces the LT1640Ax/LT1640x (see data sheet)
 SOIC/8 31 -40 to +85
MAX5926  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off or Periodic Retry 1
•10mV Minimum Adjustable Circuit Breaker Threshold
•Dual-Speed Bi-Level Inrush and Schort-Circuit Protection
•In-Rush Current and Short Circuit Protection
•Latch or Auto-Restart Fault Management
•May use MOSFET ON Resistance or External Rsense as Current Detect
 QSOP/16 31 -40 to +85
MAX5944  7.5 37 Yes No Positive Positive, Low-Voltage Periodic retry 2
•125mA Fast Gate Pulldown Current
•2ms Default Current-Limit Timeout
•Bi-Directional Load Disconnect
•Dual Firewire Controller
•Fault Status Output Active Low
•In-Rush Current and Short Circuit Protection
•Powers up into shorted load
•Programmable In-Rush and Short-Circuit Protection
 SOIC/16 62 -40 to +85
MAX5934  9 80 No Yes Positive Positive, High-Voltage Programmable latched off or periodic retry 1
•3 Power-Good Outputs for Output U/V, Input O/V, & Gate Voltage Status
•Adjustable auto-retry duty cycle and Circuit-Breaker Timeout
•Latch or Auto-Restart Fault Management
•Output Undervoltage Monitor
•Power-Good Output Programmable
 QSOP/16 31 -40 to +85
MAX5933  33 80 No Yes Positive Positive, High-Voltage Latched Off
Periodic retry 		1
•70mA Gate Pulldown Current During Any Fault Condition
•Auto-retry fault management
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Output Undervoltage Monitor
•Power-Good output (active-high)
•Power-Good output (active-low)
•Powers up into shorted load
•Programmable Start-Up, Overcurrent, and Load-Disconnect Timeouts
 SOIC/8 31 -40 to +85
MAX5947  9 80 No Yes Positive Positive, High-Voltage Latched Off
Periodic retry 		1
•70mA Gate Pulldown Current During Any Fault Condition
•Auto-retry fault management
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Output Undervoltage Monitor
•Power-Good output (active-high)
•Power-Good output (active-low)
•Powers up into shorted load
•Programmable Start-Up, Overcurrent, and Load-Disconnect Timeouts
 SOIC/8 31 -40 to +85
MAX5938  -10 -80 No Yes Negative Negative, High-Voltage Periodic retry 1
•400mA Gate Pulldown current
•Auto-retry fault management
•Immune to Input-Voltage Steps and Current Spikes
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Output Short Circuit Detection before Startup
•Power-Good Output Programmable
 QSOP/16 31 -40 to +85
MAX5920  -20 -80 No Yes Negative Negative, High-Voltage Latched Off 1
•Immune to Input-Voltage Steps and Current Spikes
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Power-Good output (active-high)
•Power-Good output (active-low)
•Powers up into shorted load
•Programmable In-Rush and Short-Circuit Protection
•Programmable OV protection
 SOIC/8 31 -40 to +85
MAX5921  -20 -80 No Yes Negative Negative, High-Voltage Periodic retry 1
•500mA gate-pulldown current during short-circuit protection
•Immune to Input-Voltage Steps and Current Spikes
•In-Rush Current and Short Circuit Protection
•Power-Good output (active-high)
•Power-Good output (active-low)
•Programmable OV protection
•Thermal Shutdown
•UVLO glitch filter
•Withstands -100V input transients
 SOIC/8 31 -40 to +85
MAX5927  1 13.2 Yes No Positive Positive, Low-Voltage Programmable latched off or periodic retry 4
•25mV Circuit Breaker Threshold
•50mA gate pull down current during short circuit protection
•Adjustable auto-retry duty cycle and over-current timeout
•Configurable Tracking, Sequencing, or Independent Operation Modes
•Independent ON/OFF Control for Each Channel
 THIN QFN/32 26 -40 to +85
MAX5929  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off
Periodic retry 		4
•25mV Circuit Breaker Threshold
•50mA gate pull down current during short circuit protection
•Auto-retry fault management
•Configurable Tracking, Sequencing, or Independent Operation Modes
•Fault Status Output
•In-Rush Current and Short Circuit Protection
•Independent ON/OFF Control for Each Channel
•Latch or Auto-Restart Fault Management
•Power-Good output (active-high)
•Power-Good output (active-low)
 QSOP/24 54 -40 to +85
MAX5939  -20 -80 No Yes Negative Negative, High-Voltage Latched Off 1
•500mA gate-pulldown current during short-circuit protection
•Immune to Input-Voltage Steps and Current Spikes
•Improved Replacement for LT1640L & LT4250L
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Power-Good output (active-high)
•Power-Good output (active-low)
 SOIC/8 31 -40 to +85
MAX5923  16 60 No Yes Positive Positive, High-Voltage Programmable latched off or periodic retry 1
•Fault Status Output
•On/Off Control
•Open-Circuit Detection
•Programmable Output Current Limit Up To 800mA
•Thermal Shutdown
 TSSOP/20 43 -40 to +85
MAX8533  10 14 Yes No Positive Positive, Low-Voltage Latched Off 1
•Fault Status Output
•In-Rush Current and Short Circuit Protection
•On/Off Control
•Output Undervoltage/Overvoltage Protection
•Power-Good output (active-high)
•Regulated, DualSpeed/BiLevel; inrush current and short circuit protection
 uMAX/10 15 -40 to +85
MAX5904  1 13.2 Yes No Positive Positive, Low-Voltage Periodic retry 2
•25mV Circuit Breaker Threshold
•On/Off Control
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 SOIC/8 31 -40 to +85
MAX5905  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•25mV Circuit Breaker Threshold
•On/Off Control
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 SOIC/8 31 -40 to +85
MAX5906  1 13.2 Yes No Positive Positive, Low-Voltage Periodic retry 2
•Adjustable circuit breaker threshold: 25mV to 100mV
•Output Undervoltage/Overvoltage Protection
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 QSOP/16 31 -40 to +85
MAX5907  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•Adjustable circuit breaker threshold: 25mV to 100mV
•Output Undervoltage/Overvoltage Protection
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 QSOP/16 31 -40 to +85
MAX5908  1 13.2 Yes No Positive Positive, Low-Voltage Periodic retry 2
•Adjustable circuit breaker threshold: 25mV to 100mV
•Output Undervoltage/Overvoltage Protection
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 QSOP/16 31 -40 to +85
MAX5909  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•Adjustable circuit breaker threshold: 25mV to 100mV
•Output Undervoltage/Overvoltage Protection
•Regulated, VariableSpeed/BiLevel; inrush current and short circuit protection
 QSOP/16 31 -40 to +85
MAX5910  10 65 No Yes Positive Positive, High-Voltage Latched Off 1
•Fault Status Output
•On/Off Control
•Open-Circuit Detection
•Regulated Internal Switch, In-Rush Current and Short-Circuit Protection
•Thermal Shutdown
 SOIC/8 31 -40 to +85
MAX5917  10 65 No Yes Positive Positive, High-Voltage Latched Off 1
•Fault Status Output
•On/Off Control
•Open-Circuit Detection
•Regulated Internal Switch, In-Rush Current and Short-Circuit Protection
•Thermal Shutdown
 SOIC/16 62 -40 to +85
MAX5911  -16 -65 No Yes Negative Negative, High-Voltage Latched Off 1
•Fault Status Output
•On/Off Control
•Open-Circuit Detection
•Regulated Internal Switch, In-Rush Current and Short-Circuit Protection
•Thermal Shutdown
 SOIC/8 31 -40 to +85
MAX5912  -16 -65 No Yes Negative Negative, High-Voltage Latched Off 1
•Fault Status Output
•On/Off Control
•Open-Circuit Detection
•Regulated Internal Switch, In-Rush Current and Short-Circuit Protection
•Thermal Shutdown
 SOIC/16 62 -40 to +85
MAX5902  9 72 No Yes Positive Positive, High-Voltage Latched Off
Latched Off or Periodic Retry
Periodic retry
Programmable latched off or periodic retry 		1
•On/Off Control
•Power-Good output (active-low)
•Regulated, Circuit-Breaker, In-Rush Current and Short Circuit Protection
•Thermal Shutdown
 SOT-23/6
THIN QFN (Dual)/6 		9 -40 to +85
MAX5903  9 72 No Yes Positive Positive, High-Voltage Latched Off
Latched Off or Periodic Retry
Periodic retry
Programmable latched off or periodic retry 		1
•On/Off Control
•Power-Good output (active-low)
•Regulated, Circuit-Breaker, In-Rush Current and Short Circuit Protection
•Thermal Shutdown
 SOT-23/6
THIN QFN (Dual)/6 		9 -40 to +85
MAX4271  2.7 13.2 Yes No Positive Positive, Low-Voltage Latched Off 1
•On/Off and STAT Control
•Regulated, DualSpeed/BiLevel; inrush current and short circuit protection
 SOIC/8 31 -40 to +85
MAX4272  2.7 13.2 Yes No Positive Positive, Low-Voltage Periodic retry 1
•On/Off and STAT Control
•Regulated, DualSpeed/BiLevel; inrush current and short circuit protection
 SOIC/8 31 -40 to +85
MAX4273  2.7 13.2 Yes No Positive Positive, Low-Voltage Programmable latched off or periodic retry 1
•On/Off, STAT, and POR Controls
•Regulated, DualSpeed/BiLevel; inrush current and short circuit protection
 QSOP/16
SOIC/16 		31 -40 to +85
MAX4370  2.7 13.2 Yes No Positive Positive, Low-Voltage Latched Off 1
•On/Off and STAT Control
•Regulated, DualSpeed/BiLevel; inrush current and short circuit protection
 SOIC/8 31 -40 to +85
See All Hot Swap Controllers (44)

Key Specifications:   ORing MOSFET Controllers
Part Number Reverse Current Protection Under-Voltage Protection Charge-Pump Capacitor Soft Start Enable Fault Indicator EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX5944  Yes Yes No Yes Yes Yes Yes SOIC/16 62 -40 to +85
MAX8535  Yes Yes Yes Yes Yes Yes Yes uMAX/8 16 -40 to +85
MAX8536  Yes Yes Yes Yes Yes Yes Yes uMAX/8 16 -40 to +85
See All ORing MOSFET Controllers (5)


         


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