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

Hot Swap

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX5961
MAX5961EVKIT
QV  PDF Low-Voltage, Triple, Hot-Swap Controllers/Power Sequencers/Voltage Trackers
MAX5930A, MAX5931A, MAX5931B

Triple, Hot-Swap Controllers Enable Sequencing, Tracking, or Independent On/Off Control for Low-Voltage Supplies
QV  PDF 12V Hot-Plug Switch
DS4560

Integrated, Self-Protected Electronic Switch Allows the Safe Insertion and Removal of Equipment Into 12V Backplanes
QV    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
DS4560  NEW! 9 13.2 No Yes Positive Positive, Low-Voltage Latched Off
Periodic Retry 		1
•0.025Ω Onboard Power Mosfet
•Adjustable Output-Voltage Slew Rate
•Adjustable Power-Up Timer with External Enable
•Input Over-Voltage Lockout
•Input Under-Voltage Lockout
•Latchoff and Autoretry Versions Available
•Over-Temperature Detect
•Programmable Current-Limit Threshold
•Programmable In-Rush and Short-Circuit Protection
•Thermal Shutdown
 0/0
MAX5961  2.7 16 Yes No Positive Positive, Low-Voltage Programmable Latched Off or Periodic Retry 4  -  TQFN/48
MAX5955  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off or Periodic Retry 2
•25mV Circuit Breaker Threshold
•Adjustable Circuit Breaker Threshold
•Dual-Speed Bi-Level Inrush and Short-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
MAX5956  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off or Periodic Retry 2
•25mV Circuit Breaker Threshold
•Adjustable Circuit Breaker Threshold
•Dual-Speed Bi-Level Inrush and Short-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
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
 TQFN/36
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(N)/8
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
 SOIC(N)/8
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 Short-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-EP/16
MAX5944  7.5 37 Yes No Positive Positive, Low-Voltage Periodic Retry 2
•2ms Default Current-Limit Timeout
•125mA Fast Gate Pulldown Current
•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(N)/16
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
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(N)/8
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(N)/8
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
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(N)/8
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(N)/8
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
 TQFN/32
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
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(N)/8
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
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 Current Limit
 µMAX/10
MAX5904  1 13.2 Yes No Positive Positive, Low-Voltage Periodic Retry 2
•25mV Circuit Breaker Threshold
•On/Off Control
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 SOIC(N)/8
MAX5905  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•25mV Circuit Breaker Threshold
•On/Off Control
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 SOIC(N)/8
MAX5906  1 13.2 Yes No Positive Positive, Low-Voltage Periodic Retry 2
•Adjustable Circuit Breaker Threshold
•Output Undervoltage/Overvoltage Protection
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 QSOP/16
MAX5907  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•Adjustable Circuit Breaker Threshold
•Output Undervoltage/Overvoltage Protection
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 QSOP/16
MAX5908  1 13.2 Yes No Positive Positive, Low-Voltage Periodic Retry 2
•Adjustable Circuit Breaker Threshold
•Output Undervoltage/Overvoltage Protection
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 QSOP/16
MAX5909  1 13.2 Yes No Positive Positive, Low-Voltage Latched Off 2
•Adjustable Circuit Breaker Threshold
•Output Undervoltage/Overvoltage Protection
•Regulated In-Rush Current
•Short-Circuit Protection
•VariableSpeed/BiLevel Protection
 QSOP/16
MAX5910  10 65 No Yes Positive Positive, High-Voltage Latched Off 1
•Fault Status Output
•Internal Switch Protection
•On/Off Control
•Open-Circuit Detection
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOIC(N)/8
MAX5917  10 65 No Yes Positive Positive, High-Voltage Latched Off 1
•Fault Status Output
•Internal Switch Protection
•On/Off Control
•Open-Circuit Detection
•Regulated DualSpeed/BiLevel Current Limit
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOIC(N)/16
MAX5911  -16 -65 No Yes Negative Negative, High-Voltage Latched Off 1
•Fault Status Output
•Internal Switch Protection
•On/Off Control
•Open-Circuit Detection
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOIC(N)/8
MAX5912  -16 -65 No Yes Negative Negative, High-Voltage Latched Off 1
•Fault Status Output
•Internal Switch Protection
•On/Off Control
•Open-Circuit Detection
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOIC(N)/16
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
•Circuit-Breaker Function
•On/Off Control
•Power-Good Output (Active-Low)
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOT/6
TDFN-EP/6
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
•Circuit-Breaker Function
•On/Off Control
•Power-Good Output (Active-Low)
•Regulated In-Rush Current
•Short-Circuit Protection
•Thermal Shutdown
 SOT/6
TDFN-EP/6
MAX4271  2.7 13.2 Yes No Positive Positive, Low-Voltage Latched Off 1
•On/Off and STAT Control
•Regulated DualSpeed/BiLevel Current Limit
•Short-Circuit Protection
 SOIC(N)/8
MAX4272  2.7 13.2 Yes No Positive Positive, Low-Voltage Periodic Retry 1
•On/Off and STAT Control
•Regulated DualSpeed/BiLevel Current Limit
•Short-Circuit Protection
 SOIC(N)/8
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 Current Limit
•Short-Circuit Protection
 QSOP/16
SOIC(N)/16
MAX4370  2.7 13.2 Yes No Positive Positive, Low-Voltage Latched Off 1
•On/Off and STAT Control
•Regulated DualSpeed/BiLevel Current Limit
•Short-Circuit Protection
 SOIC(N)/8
See All Hot Swap Controllers (46)

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(N)/16 62 -40 to +85
MAX8535  Yes Yes Yes Yes Yes Yes Yes µMAX/8 16 -40 to +85
MAX8536  Yes Yes Yes Yes Yes Yes Yes µMAX/8 16 -40 to +85
See All ORing MOSFET Controllers (5)

Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX5950  4.5 16 0.8 5.5 10 10 Resistor 3.7 1 1000 TQFN/32 26
See All Step-Down Switching Regulators (252)
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