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| PartNumber | SI3452-B01-IM | SI3452-B01-GM | SI3452 |
| Description | Hot Swap Voltage Controllers Quad PoE/PoE+ PSE port controller (dV/dt disconnect) - industrial temp | Hot Swap Voltage Controllers Quad PoE/PoE+ PSE port controller (dV/dt disconnect) | |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Labs |
| Product Category | Hot Swap Voltage Controllers | Hot Swap Voltage Controllers | PMIC - Power Over Ethernet (PoE) Controllers |
| RoHS | Y | Y | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-40 | QFN-40 | - |
| Packaging | Tube | Tray | Tube |
| Brand | Silicon Labs | Silicon Labs | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Product Type | Hot Swap Voltage Controllers | Hot Swap Voltage Controllers | - |
| Factory Pack Quantity | 50 | 490 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.004138 oz | 0.003728 oz | - |
| Series | - | - | - |
| Type | - | - | Controller (PSE) |
| Package Case | - | - | 40-VFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Number of Channels | - | - | 4 |
| Voltage Supply | - | - | 45 V ~ 57 V |
| Supplier Device Package | - | - | 40-QFN (6x6) |
| Current Supply | - | - | 3.7mA |
| Standards | - | - | 802.3at (PoE+), 802.3af (PoE) |
| Internal Switch s | - | - | Yes |
| Power Max | - | - | 40W |
| Auxiliary Sense | - | - | No |