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BCM59121B0KMLG The Broadcom Limited BCM59121B0KMLG is an 8-channel Power Over Ethernet PSE Controller designed for robust power delivery. It supports 30W power and operates within a 44V to 57V range.
Mfr Part #:

BCM59121B0KMLG

Available from 4 distributors
Mfr Name: Broadcom Limited
Broadcom Limited
The Broadcom Limited BCM59121B0KMLG is an 8-channel Power Over Ethernet PSE Controller designed for robust power delivery. It supports 30W power and operates within a 44V to 57V range.
✓ Total Stock: 6,615 pcs
$ Price Range: $0.75

BCM59121B0KMLG Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,603 pcs
On Request
2603 pcs On Request 1 On Request On Request 1630+ On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
2,480 pcs
On Request
2480 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,407 pcs
On Request
1407 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
Non-Authorised Inventory information
125 pcs
On Request
125 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BCM59121B0KMLG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Auxiliary Sense
Current
Internal Switch(s)
Mounting Type
Number of Channels
Operating Temperature
Power
Standards
Supplier Device Package
Type
Voltage
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BCM59121B0KMLG Description

Short technical summary and product information.

The BCM59121B0KMLG from Broadcom Limited is an 8-channel Power Over Ethernet (PoE) PSE Controller. This integrated circuit is designed to manage and deliver power over Ethernet cables, adhering to IEEE 802.3at (PoE+) and 802.3af (PoE) standards.

 

Key electrical specifications include a power handling capability of 30W and an operating voltage range of 44V to 57V. The controller is capable of delivering up to 500mA per channel. It operates within a temperature range of -40°C to 85°C.

 

This component is housed in a 56-VFQFN Exposed Pad package and is designed for surface mount applications. The BCM59121B0KMLG is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 3 (168 Hours).

 

Its primary function is to act as a Power Sourcing Equipment (PSE) controller, enabling devices to receive power and data over a single Ethernet cable, simplifying network infrastructure and reducing cabling requirements.

BCM59121B0KMLG Quick Information

Product Type: Power Over Ethernet (PoE) Controller
Canonical Name: BCM59121B0KMLG 8-Channel Power Over Ethernet PSE Controller
Subcategory: Power Management ICs

BCM59121B0KMLG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
REACH Status: REACH Unaffected
Lead Free: Lead free

BCM59121B0KMLG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

BCM59121B0KMLG Features

  • 8-channel Power Over Ethernet PSE Controller.
  • Supports 802.3at and 802.3af standards.
  • 30W power capability.
  • Operates from 44V to 57V.
  • Surface mount 56-VFQFN package.

BCM59121B0KMLG Applications

  • Power sourcing for network devices.
  • Enables PoE+ and PoE connectivity.
  • Simplifies network infrastructure.
  • Ideal for IP phones and cameras.
  • Suitable for wireless access points.

BCM59121B0KMLG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the BCM59121B0KMLG?

The operating voltage range is 44V to 57V.

What package is the BCM59121B0KMLG available in?

The BCM59121B0KMLG is available in a 56-VFQFN exposed pad package (56-QFN, 8x8 mm).

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

How many channels does the BCM59121B0KMLG have?

The BCM59121B0KMLG has 8 channels.

What PoE standards does the BCM59121B0KMLG support?

It supports IEEE 802.3at (PoE+) and IEEE 802.3af (PoE).

What is the maximum power per channel?

The maximum power per channel is 30W.

What is the maximum current per channel?

The maximum current per channel is 500mA.

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