AS1851A Datasheet - Akros Silicon

AS1851A Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter

The AS1851A and AS1831A devices each integrate Akros GreenEdge™ High Voltage Isolation technology with Power-overEthernet (PoE) PD and Synchronous DC-DC power conversion technology. The AS1851A includes a 13W/25W (Type 1 and Type 2) IEEE®802.3af/at compliant PD integrated with high-voltage isolatio.

AS1851A Features

* Digitally Isolated Programmable Power PoE PD Controller

* Type 1 and Type 2 IEEE® 802.3af & 802.3at Compliant PD (AS1851A), Type 1 only (AS1831A)

* Automatic PoE-Plus (Type 2) detection in HW and I2C Modes (AS1851A only)

* Low Resistance PD Power FET Switch (0.5 typical) Primary‐Side

AS1851A-AkrosSilicon.pdf