| 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 |
|
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 |
| • | Output Undervoltage/Overvoltage Protection |
| • | Power-Good Output (Active-High) |
| • | Programmable Current-Limit Threshold |
| • | 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 |
| • | Independent ON/OFF Control for Each Channel |
| • | Input Under-Voltage Lockout |
| • | Latch or Auto-Restart Fault Management |
| • | Output Undervoltage/Overvoltage Monitoring |
| • | Power-Good Output (Active-High) |
| • | Programmable Current-Limit Threshold |
| • | 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 |
| • | 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 |
| • | Pin and Function Compatible with LT1641xx |
| • | Power-Good Output (Active-High) |
| • | Power-Good Output (Active-Low) |
| • | Programmable In-Rush and Short-Circuit Protection |
|
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 |
| • | 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
|
|
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 |
|
QSOP/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
|
|
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 |
| • | 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 |
| • | Withstands -100V Input Transients |
|
SOIC(N)/8
|
|
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 |
| • | Power-Good Output (Active-High) |
| • | Power-Good Output (Active-Low) |
|
SOIC(N)/8
|
|
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 |
|
TSSOP/28
|
|
MAX5916
|
3
|
13.2
|
Yes
|
No
|
Positive
|
Positive, Low-Voltage
|
Periodic Retry
|
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 |
|
TSSOP/28
|
|
MAX5904
|
1
|
13.2
|
Yes
|
No
|
Positive
|
Positive, Low-Voltage
|
Periodic Retry
|
2
|
| • | 25mV Circuit Breaker Threshold |
| • | 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 |
| • | 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
|
|
MAX4271
|
2.7
|
13.2
|
Yes
|
No
|
Positive
|
Positive, Low-Voltage
|
Latched Off
|
1
|
| • | 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
|
| • | 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
|
| • | Regulated DualSpeed/BiLevel Current Limit |
| • | Short-Circuit Protection |
|
SOIC(N)/8
|
| See All Hot Swap Controllers (46) |
