BCM59121B0KMLG
IC POE CNTRL 8 CHANNEL 56QFN
Pmic Power Over Ethernet Poe Controllers
56-VFQFN Exposed Pad
Active
$21.30 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Broadcom Limited |
| Model | BCM59121B0KMLG |
| Package / Case | 56-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 56-QFN (8x8) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
BCM59121B0KMLG by Broadcom Limited is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 56-VFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | Controller (PSE) |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Power - Max | 30 W |
| Auxiliary Sense | No |
| Current - Supply | 500mA |
| Voltage - Supply | 44V ~ 57V |
| Internal Switch(s) | No |
| Number of Channels | 8 |
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