Ag9800 PD Module, Isolated DC-DC converter, IEEE802.3af compliant

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Ag9800 PD Module, Isolated DC-DC converter, IEEE802.3af compliant

PD Module, Isolated DC-DC converter, IEEE802.3af compliant, Small Footprint, SMT.

Role
Compliance
Output Voltage
Temperature Range
Power module package
Build in Bridge
Power isolution
Protection

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Silvertel

Silvertel specialises in the design and development of power modules and advanced telecom interface solutions. These solutions include Power over Ethernet modules supporting applications up to 200W. Smart Lighting modules combining PoE with LED driver functionality.

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Overview

Ag9800 is a miniature low-profile PoE module. It is designed such that adding just two diode bridges and an electrolytic capacitor to this tiny module is enough to enable PoE functionality in a product. Ag9800 is fully compliant to the IEEE 802.3af PoE standard. It provides a POE signature, classification, isolation and DC to DC conversion to 12V, 5V or 3.3V while taking up minimal PCB space. It is ideal for space constrained PoE applications such as IP phones, wall mount appliances, IP cameras, thermostats, smoke detectors and room sensors, and is perfect for a whole range of new IoT devices.

Features

Very small package size and profile
Overload and short-circuit protection
Integral DC/DC converter
Cost optimised IEEE802.3af POE
1500V DC impulse test isolation (input to output)
Integrated Thermal Protection option

Evaluation Kits

These are a range of evaluation boards for testing and evaluation of Silvertels miniature IEEE802.3af Ag9800M SMT package POE PD modules. It is designed to work with Power Sourcing Equipment (PSE) that supplies power over either the spare pair or the data pair. It is compatible with the Ag6100 and Ag6400 PSE modules. It can be ordered as one of six options, dependent on the module/output voltage variant fitted, from either Ag9812M, Ag9805M or Ag9803M or the version with over-temperature protection fitted, with the MT suffix. Please click on the order codes above, or use the Buy Samples button provided to order boards. The User Manual can also be downloaded below.

Applications

Specifications for Ag9800 PD Module, Isolated DC-DC converter, IEEE802.3af compliant

Output Voltage	3.3V or 5V or 12V
Temperature Range	Normal or Industrial Temperature with Temp protection
Role	PD
Compliance	IEEE 802.3af 13W
Power module package	SMT
Build in Bridge	No
Power isolution	1500Vdc
Protection	Overload and short-circuit

Ag9800 datasheet

Ag9800 Short Form

Ag9800 3D Step File

Application Notes

POE Selection Guide

EMI Test Probe

ANX-POE-Protection

ANX-1000BASE-T-CONNECTIONS

PoE PHY Protection

POE Thermal Consideration
POE Output Filtering

explain the requirement of the isolation barrier with PoE

ANX-POE-Power Available power over PoE

POE AT Detect
PoE Data Termination
ANX POE External Back-up
Ag6400 Power Supply
Ag6400 Start-up Circuit
ANX POE External Supply Gating

PoE Start-up Load
POE with HDBaseT

External Class Programming
ANX POE High Power Supply Gating

Data Link Layer Classification

The Ag9800M Power-over-Ethernet (PoE) modules are designed to extract power from a conventional twisted-pair Category 5 Ethernet cable, conforming to the IEEE 802.3af PoE standard. The Ag9800M signature and control circuit provides the PoE compatibility signature required by the Power Sourcing Equipment (PSE) before applying up to 15W power to the port. The Ag9800M provides a Class 0 signature. The DC/DC converter operates over a wide input voltage range and provides a regulated output. The DC/DC converter also has built-in short-circuit output protection.

Features