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Maxim > Solutions > RAID Data Storage Systems
Hot Swap Controller
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| Display |
Title/Parts |
Key Advantages |
| 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 |
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 |
Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control
MAX5955, MAX5956
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| 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
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| QV PDF |
-48V Hot-Swap Controllers with External RSENSE
MAX5948, MAX5948A, MAX5948B
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| QV PDF |
1V to 13.2V, n-Channel Hot-Swap Controllers Require No Sense Resistor
MAX5924, MAX5925, MAX5926
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| QV PDF |
Dual FireWire Current Limiter and Low-Drop ORing Switch Controller
MAX5944
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| QV PDF |
FireWire Current Limiter and Low-Drop ORing Switch Controller
MAX5943
| Industry's First IEEE 1394/FireWire-Compliant Hot-Swap Controllers |
| 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
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| QV PDF |
-48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current
MAX5921, MAX5939
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| QV PDF |
-48V Hot-Swap Controller with External RSENSE
MAX5920
| Hot-Swap Controller with External RSENSE Well-Suited for -48V Power Systems |
| 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 |
Dual PCI 2.2 Hot-Swap Controllers
MAX5915, MAX5915A, MAX5916, MAX5916A
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| QV PDF |
Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers
MAX5904, MAX5905, MAX5906, MAX5907, MAX5908, MAX5909
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| 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
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| Key Specifications: Hot Swap Controllers |
| Part Number |
VIN
(V) |
VIN
(V) |
Low Volt. |
High Volt. |
Voltage Polarity |
Type |
Fault Condition Control |
Channels |
Features |
Package/Pins |
| min |
max |
| MAX5963 |
7.5 |
76 |
No |
Yes |
Positive |
Positive, High-Voltage |
| Latched Off | | Latched Off or Periodic Retry | | Periodic Retry | | Programmable Latched Off or Periodic Retry |
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2 |
| 1A Peak Short-Circuit Gate Pulldown Current | | 125mA Fast Gate Pulldown Current | | Adjustable Auto-Retry Duty Cycle and Circuit-Breaker Timeout | | Adjustable Auto-Retry Duty Cycle and Over-Current Timeout | | Adjustable Circuit Breaker Threshold | | Bi-Directional Load Disconnect | | Circuit-Breaker Function | | Drives External Dual MOSFET for ORing Function | | Dual Firewire Controller | | Fault Status Output | | Fault Status Output Active Low | | Independent ON/OFF Control for Each Channel | | Input Under-Voltage Lockout | | Latch or Auto-Restart Fault Management | | On/Off Control |
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| 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 |
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| 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 |
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| MAX5946 |
3 |
13.2 |
Yes |
No |
Positive |
Positive, Low-Voltage |
| Latched Off | | Periodic Retry |
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- |
| 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 |
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| 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 |
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| 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 |
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| 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 |
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| MAX5943 |
7.5 |
37 |
Yes |
No |
Positive |
Positive, Low-Voltage |
Latched Off or Periodic Retry |
1 |
| 1A Peak Short-Circuit Gate Pulldown Current | | Adjustable Auto-Retry Duty Cycle and Over-Current Timeout | | Drives External Dual MOSFET for ORing Function | | Fault Status Output Active Low | | In-Rush Current and Short Circuit Protection | | Single Firewire Controller |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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) |
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| MAX5915 |
3 |
13.2 |
Yes |
No |
Positive |
Positive, Low-Voltage |
Latched Off |
2 |
| Hot Swaps Auxiliary Supply Rails For Two PCI Cards | | In-Rush Current and Short Circuit Protection | | Independent ON/OFF Control for Each Channel | | Integrated MOSFET Switches | | PCI2.2 Compliant |
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| MAX5916 |
3 |
13.2 |
Yes |
No |
Positive |
Positive, Low-Voltage |
Periodic Retry |
2 |
| Dual PCI-Express | | Hot Swaps Auxiliary Supply Rails For Two PCI Cards | | In-Rush Current and Short Circuit Protection | | Independent ON/OFF Control for Each Channel | | Integrated MOSFET Switches | | PCI2.2 Compliant |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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See All Hot Swap Controllers (47)
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| Key Specifications: ORing MOSFET Controllers |
| Part Number |
Reverse Current Protect. |
Under Voltage Protect |
Charge Pump Cap. |
Soft Start |
Enable |
Fault Indicator |
EV Kit |
RoHS Available |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
| max w/pins |
| MAX5943 |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
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30.9 |
-40 to +85 |
| MAX5944 |
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62 |
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See All ORing MOSFET Controllers (5)
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