|Place of Origin:||USA|
|Minimum Order Quantity:||10pcs|
|Packaging Details:||1980pcs/ Tray|
|Payment Terms:||T/T, Western Union|
|Description:||IC POE CNTRL 8 CHANNEL 56QFN||Categories:||Integrated Circuits (ICs)|
|Type:||Controller (PSE)||Number Of Channels:||8|
|Power - Max:||30w||Standards:||802.3at (PoE+), 802.3af (PoE)|
|Voltage - Supply:||44V ~ 57V||Current - Supply:||500mA|
|Operating Temperature:||-40°C ~ 85°C||Package / Case:||56-VFQFN Exposed Pad|
|Supplier Device Package:||56-QFN (8x8)||Factory Pack Quantity:||1820|
BCM59121B0KMLG Broadcom ICs,
PSE Controller IC Components
• IEEE 802.3bt-compliant with support for IEEE 802.3at and IEEE 802.3af • Supports Type 2, Type 3, and Type 4 multi-event classification (Type 4 only supported by BCM59122) • Supports four-pair 60W bt Type 3 and 90W bt Type 4 applications (Type 4 only supported by BCM59122) • Supports detection of legacy power devices (PDs) • Cascading of multiple devices; up to 64 ports supported • Programmable ICUT and ILIM for Type 1, Type (2), Type 3, and Type 4 (Type 4 only supported by BCM59122) • Broadcom Serial Control (BSC), an I 2C-compatible bus architecture • Manual and semiautonomous operating mode • Real-time current, voltage, and temperature measurements available per port • Overtemperature protection (warning and shutdown)
The Broadcom® BCM5912X is a highly integrated IEEE 802.3bt-compliant power sourcing equipment (PSE) controller family with unsurpassed integration and flexibility. The devices contain eight low-RDS (0.2Ω), high-voltage FETs, each with a very accurate, lossless, proprietary internal current sense and an onboard microcontroller, all targeted to significantly reduce the complexity of Power over Ethernet (PoE), Power over Ethernet Plus (PoE+), and UPoE designs while easing PCB layout. The BCM5912X family provides excellent protection under all possible fault conditions and overloads. It also supports two-event Classification for Type 2 (30W) applications and multi-event Classification for 802.3bt Standard Type 3/ Type 4 applications. The BCM5912X family of controllers has a networking-oriented host interface, communicating by using a BSC bus, and capable of speeds up to 2.4 Mb/s. Benefits • Cascading of multiple devices; up to 64 ports supported • Integrated Field Effect Transistor (FETs) eliminates the need for external FETs • Integrated current-sense mechanism eliminates the need for external sense resistor and fuse • Integrated MCU for firmware download, custom features, and bug fixes • Underwriters Laboratory (UL) certified Applications • Routers • Enterprise switches • Security camera switch hub • POE lighting Octal Power Sourcing Equipment Controller B
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