凌力尔特提供的热插拔控制器IC可限制浪涌电流、在正常操作期间实施电流限制，并提供了其他的监控功能。其应用包括 -48V 或 +48V 电信和网络、以太网供电 (PoE)、ATCA、PCI、CompactPCI 和低电压电源排序。
以太网供电 (PoE) 接口控制器| Product | Channels (#) | PSE/PD | PoE Type | Max Power (W) | IEEE-Compliant Detection | IEEE-Compliant Classification | IEEE-Compliant Disconnection | Packages |
| LT4275 | 1 | PD | 1, 2, LTPoE++ | 90 | Yes (Internal 25k resistor) | One Event, Two Event | N/A | MS-10, DFN-10 |
| LTC4257 | 1 | PD | 1 | 13 | Yes (Internal 25k resistor) | One Event | N/A | SO-8, DFN-8 |
| LTC4257-1 | 1 | PD | 1 | 13 | Yes (Internal 25k resistor) | One Event | N/A | SO-8, DFN-8 |
| LTC4263 | 1 | PSE | 1 | 12.95 | 2-Point | One Event | DC or AC | SO-14, DFN-14 |
| LTC4263-1 | 1 | PSE | - | 30 | 2-Point | One Event | DC or AC | SO-14, DFN-14 |
| LTC4265 | 1 | PD | 2 | 25.5 | Yes (Internal 25k resistor) | One Event, Two Event | N/A | DFN-12 |
| LTC4266 | 4 | PSE | 2 | 25.5 | 4-Point | One Event, Two Event | DC | QFN-38,SSOP-36 |
| LTC4266A_C | 4 | PSE | LTPoE++ | 90 | 4-Point | One Event, Two Event, LTPoE++ | DC | QFN-38 |
| LTC4266A_C | 4 | PSE | 1 | 13 | 4-Point | One Event | DC | QFN-38 |
| LTC4267 | 1 | PD | 1 | 13 | Yes (Internal 25k resistor) | One Event | N/A | SSOP-16, DFN-16 |
| LTC4267-1 | 1 | PD | 1 | 13 | Yes (Internal 25k resistor) | One Event | N/A | SSOP-16 |
| LTC4267-3 | 1 | PD | 1 | 13 | Yes (Internal 25k resistor) | One Event | N/A | SSOP-16 |
| LTC4269-1 | 1 | PD | 2 | 25.5 | Yes (Internal 25k resistor) | One Event, Two Event | N/A | DFN-32 |
| LTC4269-2 | 1 | PD | 2 | 25.5 | Yes (Internal 25k resistor) | One Event, Two Event | N/A | DFN-32 |
| LTC4270 | 12 | PSE | 1, 2, LTPoE++ | 90 | 4-Point | One Event, Two Event, LTPoE++ | DC | QFN-52, QFN-24 |
| LTC4274 | 1 | PSE | 2 | 25.5 | 4-Point | One Event, Two Event | DC | QFN-38 |
| LTC4274A_C | 1 | PSE | 1, 2, LTPoE++ | 90 | 4-Point | One Event, Two Event, LTPoE++ | DC | QFN-38 |
| LTC4274A_C | 1 | PSE | 1 | 13 | 4-Point | One Event | DC | QFN-38 |
| LTC4278 | 1 | PD | 2 | 25.5 | Yes (Internal 25k resistor) | One Event, Two Event | N/A | DFN-32 |
| LTC4290 | 8 | PSE | 1, 2 | 25.5 | 4-Point | One Event, Two Event | DC | QFN-40, QFN-24 |
