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

General Description

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.

Key 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 DC‐DC Controller .
  • High-efficiency DC-DC Controller with Digital Optimization.
  • Primary-Secondary High-voltage integrated Digital Isolation.
  • Programmable Primary Clock Frequency Local-p.

📥 Download Datasheet

Datasheet Details

Part number AS1851A
Manufacturer Akros Silicon
File Size 0.96 MB
Description Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter
Datasheet download datasheet AS1851A Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AS1851A/31A — Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter GENERAL DESCRIPTION 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 isolation and a digital power Synchronous DC-DC converter. The AS1831A includes a 13W (Type 1) IEEE®802.3af/at compliant PD integrated with high-voltage isolation and a digital power Synchronous DC-DC converter.