



Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/Power Over Ethernet (PoE) Controllers | |
| Manufacturer | SKYWORKS/SILICON LABS | |
| Package | QFN-20-EP(4x4) | |
| Operating Temperature | -40℃~+85℃ | |
| Type | Powered Device (PD) | |
| Voltage - Supply (IC) | 5.2V | |
| Features | PD detection and disconnect identification、Overvoltage protection、Undervoltage Protection、Thermal Protection、Overcurrent Protection、Built-in LDO | |
| Support PoE standard | IEEE 802.3 at(PoE+) |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
SI3404-A-GMR technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/Power Over Ethernet (PoE) Controllers | |
| Manufacturer | SKYWORKS/SILICON LABS | |
| Package | QFN-20-EP(4x4) | |
| Operating Temperature | -40℃~+85℃ | |
| Type | Powered Device (PD) | |
| Voltage - Supply (IC) | 5.2V | |
| Features | PD detection and disconnect identification、Overvoltage protection、Undervoltage Protection、Thermal Protection、Overcurrent Protection、Built-in LDO | |
| Support PoE standard | IEEE 802.3 at(PoE+) |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SI3404-A-GMR. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

SI3404-A-GMR datasheets or manufacturer documentation.
Datasheet: SI3404-A-GMR Datasheet (PDF)
The SI3404-A-GMR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.