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Maxim > Solutions > Network Hubs, Switches, and Routers

Hot Swap

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX5961
MAX5961EVKIT
QV  PDF Dual, 7.5V to 76V, Hot-Swap and Diode ORing Controller
MAX5963

Industry's First 7.5V to 76V, Hot-Swap and Diode ORing Controller
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  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 Evaluation Kit/Evaluation System for the MAX5952A
MAX5952AEVCMAXQU, MAX5952AEVKIT
QV  PDF High-Power, Quad, PSE Controller for Power-Over-Ethernet
MAX5952

Meets IEEE 802.3at Standard and Delivers Up to 45W for High-Power (POE+) PSE Applications
QV  PDF +48V Quad Hot-Swap Controllers For Power-Over-LAN
MAX5913A, MAX5914A

Highly Integrated Board Solution Reduces Board Space, Cost, and System Design Time
QV  PDF Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control
MAX5955, MAX5956
QV  PDF Quad Network Power Controller for Power-Over-LAN
MAX5945
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 High-Side Power and Current Monitors
MAX4210, MAX4211
QV  PDF IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices
MAX5942A, MAX5942B
QV  PDF IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
MAX5941A, MAX5941B

Industry's First Fully Integrated IEEE 802.3af-Compliant Power-over-Ethernet Power-Supply ICs
QV    Quad Network Power Controller for Power-Over-LAN
MAX5935
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 +60V Simple Swapper Hot-Swap Switch
MAX5923
QV  PDF +48V, Single-Port Network Power Switch For Power-Over-LAN
MAX5922

Industry's First Single-Port Network Power Switch for Power-over-LAN
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 -100V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers
MAX5900, MAX5901
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



Key Specifications:   Current Sense Amplifiers
Part Number CMVR (min) (V) CMVR (max) (V) VCC (min) (V) VCC (max) (V) ICC (typ) (µA) Bidirectional Current-Sense VSENSE_FS (recommended) (mV) AV (Gain) Gain Accuracy @25°C (max) (%) -3dB BW (kHz) Comparators Package Operating Temp. Range (°C)
MAX4211  4 28 2.7 5.5 670 No 100
150 		16.67 V/V
25 V/V
40.96 V/V 		1.5 220 2 THIN QFN/16
TSSOP/16 		-40 to +85
MAX4210  4 28 2.7 5.5 380 No 100
150 		16.67 V/V
25 V/V
40.96 V/V 		1.5 220 0 THIN QFN (Dual)/6
uMAX/8 		-40 to +85
See All Current Sense Amplifiers (22)

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
MAX5961  NEW! 2.7 16 Yes No Positive Positive, Low-Voltage Programmable latched off or periodic retry 4  -  THIN QFN/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: 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
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
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
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
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
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
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/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/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/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/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
 THIN QFN/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/8
MAX5935  -32 -60 No Yes Negative Negative, High-Voltage  -  4
•Auto, semi-auto, manual, shutdown, and debug modes
•Class overcurrent protection
•Fault Status Output
•Four-bit Addressable
•I2C Compatible Interface
•IEEE802.3af Compliant/Compatible
•Independent ON/OFF Control for Each Channel
•Over-Temperature Detect
 SSOP/36
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; inrush current and short circuit protection
 uMAX/10
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
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
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
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
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
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
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
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
MAX5900  -9 -100 No Yes Negative Negative, High-Voltage Latched Off
Periodic retry 		1
•Auto-retry fault management
•Latch or Auto-Restart Fault Management
•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
MAX5901  -9 -100 No Yes Negative Negative, High-Voltage Latched Off
Periodic retry 		1
•Auto-retry fault management
•Latch or Auto-Restart Fault Management
•On/Off Control
•Power-Good output (active-high)
•Regulated, Circuit-Breaker, In-Rush Current and Short Circuit Protection
•Thermal Shutdown
 SOT-23/6
THIN QFN (Dual)/6
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
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
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
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
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
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
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
See All Hot Swap Controllers (45)

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

Key Specifications:   Power Sourcing Equipment
Part Number IEEE Compliance High Power Mode Number of Channels Port Current Readout Load Disconnect Programmability Package Operating Temp. Range (°C)
MAX5945  802.3af No 4 No AC/DC I2C SSOP/36 -40 to +85
0 to +70
MAX5922  802.3af No 1 No DC  -  TSSOP/28 -40 to +85
MAX5952  802.3af
Pre-803.3at 		Yes 4 I2C AC/DC I2C SSOP/36 -40 to +85
0 to +85
See All Power Sourcing Equipment (3)

Key Specifications:   Powered Devices
Part Number IEEE Compliance PD MOSFET RDS(ON) (Ω) Includes PWM Switching Frequency (kHz) Protection Features Programmable UVLO Package Operating Temp. Range (°C)
MAX5941  802.3af 0.6 Yes 275 Programmable Inrush Current Yes SOIC/16 -40 to +85
MAX5942  802.3af 0.6 Yes 275 Programmable Inrush Current Yes SOIC/16 -40 to +85
See All Powered Devices (4)


         


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