LM5064PMH/NOPB vs MAX5909EEE+
| Part Number |
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| Category | PMIC - Hot Swap Controllers | PMIC - Hot Swap Controllers |
| Manufacturer | National Semiconductor | Maxim Integrated |
| Description | LM5064 NEGATIVE VOLTAGE SYSTEM P | IC HOT-SWAP CTRLR DUAL 16QSOP |
| Package | Bulk | Tube |
| Series | - | - |
| Type | Hot Swap Controller, Monitor | - |
| Features | PMBus | - |
| Voltage - Supply | -80V ~ -10V | - |
| Operating Temperature | -40°C ~ 125°C | - |
| Mounting Type | Surface Mount | - |
| Package / Case | 28-PowerTSSOP (0.173\", 4.40mm Width) | - |
| Supplier Device Package | 28-HTSSOP | - |
| Current - Supply | 6 mA | - |
| Applications | -48V | - |
| Current - Output (Max) | - | - |
| Number of Channels | 1 | - |
| Internal Switch(s) | No | - |
| Programmable Features | Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault, OVP, Thermal Limit, UVLO | - |
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1. What is a PMIC hot-swap controller?
A hot-swap controller is a power management integrated circuit that allows circuit boards or modules to be safely plugged and unplugged while the device is running without causing damage to the device itself or the power system.
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2. How does a PMIC hot-swap controller work?
A hot-swap controller protects system components by limiting inrush current during insertion. It monitors parameters such as current and voltage and triggers protection mechanisms such as overcurrent protection or disconnection of power when they exceed the safe range.
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3. What is the difference between a hot-swap controller and a power switch?
Hot-swap controllers actively manage current and voltage changes during the plug-in process, while ordinary power switches only have simple on-off functions and cannot provide protection and control functions.
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4. How to test the performance of hot-swap controllers?
Performance tests can include plug-in tests, current limiting tests, protection function verification, and current surge measurements. Using an oscilloscope to observe the current and voltage changes at the moment of plug-in is an effective way to verify its performance.
